OH: Individual County Chronologies

ADAMS created by the Northwest Territory from HAMILTON and WASHINGTON. (Terr. Papers U.S., 2:612-613; Chase, 3:ch. 333/p. 2096)

ADAMS lost to creation of ROSS. (Terr. Papers U.S., 3:510; Chase, 3:ch. 336/p. 2097)

ADAMS gained from HAMILTON. (Terr. Papers U.S., 3:510-511; Chase, 3:ch. 337/p. 2097)

ADAMS became a county in the state of Ohio. (U.S. Stat., vol. 2, ch. 40 [1802], secs. 1-3/pp. 173-174; Van Zandt, 112)

ADAMS lost to creation of SCIOTO. (Ohio Laws 1803, 1st assy., ch. 3/p. 8; Chase, 3:ch. 344/p. 2099)

ADAMS lost to creation of HIGHLAND. (Ohio Laws 1804, 3d assy., ch. 60, sec. 1/p. 256; Chase, 3: ch. 350/p. 2102)

ADAMS lost small area to creation of PIKE. (Ohio Laws 1814, 13th assy., ch. 16, secs. 1, 6/pp. 52, 55; Chase 3:ch. 399/pp. 2118-2119)

ADAMS lost to creation of BROWN. (Ohio Laws 1817, 16th assy., ch. 12, secs. 1, 6/pp. 29, 31; Chase, 3:ch. 412/pp. 2124-2125)

Boundary between ADAMS and BROWN was clarified [no change]. (Ohio Laws 1818, 17th assy., ch. 57/p. 130; Chase 3: ch. 425/p. 2132)

ALLEN created from Non-County Area 9 attached to LOGAN and Non-County Area 7 attached to SHELBY; ALLEN not fully organized, attached to SHELBY for administrative and judicial purposes. (Ohio Laws 1819, 18th assy., loc., ch. 37/pp. 90-91; Chase, 3:ch. 429/pp. 2134-2135)

ALLEN detached from SHELBY, attached to MERCER "for judicial and other purposes." (Ohio Laws 1827, 26th assy., gen., p. 3; Chase, 3:ch. 460/pp. 2143-2144)

ALLEN fully organized, detached from MERCER. (Ohio Laws 1830, 29th assy., loc., p. 94; Chase, 3:ch. 470/p. 2145)

ALLEN gained from MERCER, PUTNAM, and VAN WERT; lost to creation of AUGLAIZE. (Ohio Laws 1847, 46th assy., loc., secs. 1-4, 7/pp. 128-129)

ASHLAND created from HURON, LORAIN, RICHLAND, and WAYNE. (Ohio Laws 1845, 44th assy., loc., secs. 1-2/pp. 172-173)

ASHLAND lost to RICHLAND. (Ohio Laws 1846, 45th assy., loc., p. 37)

ASHTABULA created from GEAUGA and TRUMBULL; ASHTABULA not fully organized, parts attached to GEAUGA and TRUMBULL for administrative and judicial purposes. (Ohio Laws 1807, 6th assy., ch. 1, secs.1, 3, 5-7/pp. 3-5; Chase, 3:ch. 362/p. 2105)

ASHTABULA lost to TRUMBULL that part of ASHTABULA that was attached to TRUMBULL; ASHTABULA attached to GEAUGA for administrative and judicial purposes. (Ohio Laws 1808, 7th assy., ch. 19/p. 143; Chase, 3:ch. 375/p. 2110)

ASHTABULA gained from TRUMBULL; ASHTABULA fully organized, detached from GEAUGA. (Ohio Laws 1810, 9th assy., ch. 21/p. 42; Chase, 3:ch. 388/p. 2115)

ASHTABULA gained non-county area over the waters of Lake Erie as its limits were extended to the northern boundary of Ohio [not mapped]. (Ohio Laws 1826, 25th assy., gen., p. 99; Chase, 3:ch. 456/p. 2142)

Northern boundary of ASHTABULA was redefined to match the northern limit of Ohio in Lake Erie [no change]. (Ohio Laws 1834, 33d assy., loc., secs. 1, 3-5/pp. 92-93)

ATHENS created from WASHINGTON. (Ohio Laws 1804, 3d assy., ch. 68/p. 283; Chase, 3:ch. 351/p. 2102)

ATHENS exchanged small areas with GALLIA. (Ohio Laws 1806, 5th assy., ch. 39/p. 105; Chase, 3:ch. 359/p. 2105)

ATHENS exchanged with WASHINGTON. (Ohio Laws 1807, 6th assy., ch. 43/p. 149; Chase, 3:ch. 366/pp. 2107-2108)

ATHENS exchanged with WASHINGTON. (Ohio Laws 1813, 12th assy., ch. 49/p. 146; Chase, 3:ch. 398/p. 2118)

ATHENS lost to creation of JACKSON. (Ohio Laws 1815, 14th assy., ch. 25, secs. 1, 5/pp. 112, 115; Chase, 3:ch. 404/pp. 2121-2122)

ATHENS lost to creation of HOCKING. (Ohio Laws 1817, 16th assy., ch. 24, secs. 1, 6/pp. 60, 62; Chase, 3:ch. 416/pp. 2127-2128)

ATHENS lost to creation of MEIGS. (Ohio Laws 1818, 17th assy., ch. 25, secs. 1, 6/pp. 40, 43; Chase, 3:ch. 423/pp. 2131-2132)

ATHENS lost to MORGAN. (Ohio Laws 1844, 43d assy., loc., p. 360)

ATHENS lost to HOCKING. (Ohio Laws 1844, 43d assy., loc., p. 410)

ATHENS lost to creation of VINTON and lost to HOCKING. (Ohio Laws 1849, 48th assy., loc., secs. 1-3, 6/pp. 684-685)

AUGLAIZE created from ALLEN and MERCER. (Ohio Laws 1847, 46th assy., loc., secs. 1-4, 7/pp. 128-129)

Legislature authorized AUGLAIZE to exchange with LOGAN dependent on local referendum [local action unknown, no change]. (Ohio Laws 1886, 67th assy., reg. sess., p. 332)

Legislature authorized AUGLAIZE to exchange with LOGAN dependent on local referendum [local action unknown, no change]. (Ohio Laws 1887, 67th assy., adj. sess., p. 276)

AUGLAIZE exchanged small areas with LOGAN. (Ohio Laws 1888, 68th assy., reg. sess., p. 418)

BELMONT created by the Northwest Territory from JEFFERSON and WASHINGTON. (Terr. Papers U.S., 3:528; Chase, 3:ch. 341/p. 2098)

BELMONT became a county in the state of Ohio. (U.S. Stat., vol. 2, ch. 40 [1802], secs. 1-3/pp. 173-174; Van Zandt, 112)

BELMONT lost to creation of GUERNSEY. (Ohio Laws 1809, 8th assy., ch. 20, secs. 1-2, 4/pp. 65-67; Chase, 3:ch. 380/p. 2112)

BELMONT lost to creation of MONROE; MONROE not fully organized, part attached to BELMONT for administrative and judicial purposes. (Ohio Laws 1812, 11th assy., ch. 25/p. 57; Chase, 3:ch. 396/p. 2117)

MONROE fully organized, detached from BELMONT. (Ohio Laws 1814, 13th assy., ch. 36, secs. 1, 2, 6/pp. 128-129; Chase, 3:ch. 402/pp. 2120-2121)

BROWN created from ADAMS and CLERMONT. (Ohio Laws 1817, 16th assy., ch. 12, secs. 1, 6/pp. 29, 31; Chase, 3:ch. 412/pp. 2124-2125)

Boundary between BROWN and ADAMS was clarified [no change]. (Ohio Laws 1818, 17th assy., ch. 57/p. 130; Chase 3: ch. 425/p. 2132)

BROWN lost to HIGHLAND. (Downes, 446-448)

BUTLER created from HAMILTON. (Ohio Laws 1803, 1st assy., ch. 4, secs. 1-4, 8/pp. 9-12; Chase, 3:ch. 345/pp. 2099-2100)

BUTLER gained from HAMILTON. (Ohio Laws 1807, 6th assy., ch. 4/p. 10; Chase, 3:ch. 363/p. 2106)

BUTLER lost to creation of PREBLE. (Ohio Laws 1807, 6th assy., ch. 51, secs. 1-2, 5/pp. 164-166; Chase, 3:ch. 369/p. 2109)

BUTLER lost to WARREN. (Ohio Laws 1814, 13th assy., ch. 31, secs. 1, 2, 4, 5/pp. 109-112; Chase, 3:ch. 400/pp. 2119-2120)

CARROLL created from COLUMBIANA, HARRISON, JEFFERSON, STARK, and TUSCARAWAS. (Ohio Laws 1832, 31st assy., gen., p. 8; Chase, 3:ch. 478/pp. 2146-2147)

Boundary between CARROLL and STARK was clarified [no change]. (Ohio Laws 1833, 32d assy., loc., p. 50)

Boundary between CARROLL and JEFFERSON was clarified [no change]. (Ohio Laws 1834, 33d assy., loc., p. 118)

CHAMPAIGN created from FRANKLIN and GREENE. (Ohio Laws 1804, 3d assy., ch. 69/p. 285; Chase, 3:ch. 342 [sic]/p. 2103)

CHAMPAIGN lost to creation of CLARK and LOGAN, and lost to MADISON. Part of CHAMPAIGN reverted to Non-County Area 9 that was attached to LOGAN for administrative and judicial purposes. (Ohio Laws 1817, 16th assy., chs. 14, 20, 33/pp. 33, 36, 53, 55, 75; Chase, 3:chs. 413, 415, 418/pp. 2125-2127, 2129)

CLARK (Ind.) created by Indiana Territory from KNOX (Ind.); included a small area of present Ohio near Fort Recovery. (Ind. Terr., Exec. Journal, 97)

CLARK (Ind.) exchanged with HAMILTON; CLARK (Ind.) eliminated from present Ohio. (Ind. Terr., Exec. Journal, 114-115; Pence and Armstrong, 218; U.S. Stat., vol. 2, ch. 40 [1802], secs. 1-3/pp. 173-174; Van Zandt, 112)

CLARK created from CHAMPAIGN, GREENE, and MADISON. (Ohio Laws 1817, 16th assy., ch. 14, secs. 1, 7/pp. 33, 36; Chase, 3:ch. 413/pp. 2125-2126)

Southern boundary of CLARK was clarified [no change]. (Ohio Laws 1818, 17th assy., ch. 35/p. 60; Chase 3:ch. 424/p. 2132)

Eastern boundary of CLARK was clarified [no change]. (Ohio Laws 1820, 19th assy., ch. 44/p. 73; Chase, 3:ch. 431/p. 2135)

CLARK exchanged with MADISON. (Ohio Laws 1826, 25th assy., gen., p. 24; Chase, 3:ch. 455/pp. 2141-2142)

CLERMONT created by the Northwest Territory from HAMILTON. (Terr. Papers U.S., 3:526; Chase, 3:ch. 339/p. 2097)

CLERMONT became a county in the state of Ohio. (U.S. Stat., vol. 2, ch. 40 [1802], secs. 1-3/pp. 173-174; Van Zandt, 112)

CLERMONT lost to creation of HIGHLAND. (Ohio Laws 1804, 3d assy., ch. 60, sec. 1/p. 256; Chase, 3: ch. 350/p. 2102)

CLERMONT lost to creation of BROWN. (Ohio Laws 1817, 16th assy., ch. 12, secs. 1, 6/pp. 29, 31; Chase, 3:ch. 412/pp. 2124-2125)

Legislature authorized CLERMONT to gain small area from WARREN dependent on local referendum [local action unknown, no change]. (Ohio Laws 1859, 53d assy., 2d sess., loc., p. 296)

CLINTON created from HIGHLAND and WARREN. (Ohio Laws 1809, 8th assy., ch. 63/p. 236; Chase, 3:ch. 384/pp. 2113-2114)

CLINTON gained from HIGHLAND. (Ohio Laws 1812, 11th assy., ch. 30/p. 67; Chase, 3:ch. 397/pp. 2117-2118)

CLINTON gained from HIGHLAND and WARREN. (Ohio Laws 1814, 13th assy., ch. 31, secs. 1, 2, 4, 5/pp. 109-112; Chase, 3:ch. 400/pp. 2119-2120)

COLUMBIANA created from JEFFERSON and WASHINGTON. (Ohio Laws 1803, 1st assy., ch. 6/p. 15; Chase, 3:ch. 346/p. 2100)

COLUMBIANA implicitly gained small area from WASHINGTON, lost small area to creation of MUSKINGUM. (Ohio Laws 1803, 2d assy., ch. 6, secs. 1-4/pp. 68-70; Chase, 3:ch. 349/p. 2101)

COLUMBIANA lost to creation of STARK. STARK not fully organized, attached to COLUMBIANA; WAYNE attached to COLUMBIANA. Both attachments were for administrative and judicial purposes. (Ohio Laws 1807, 6th assy., ch. 46/p. 154; Chase, 3:ch. 367/p. 2108)

STARK fully organized, detached from COLUMBIANA. WAYNE detached from COLUMBIANA, attached to STARK for administrative and judicial purposes. (Ohio Laws 1807, 6th assy., ch. 46, secs. 2-3/pp. 154-155; Chase 3: ch. 367, secs. 2-3/p. 2108)

COLUMBIANA lost to creation of CARROLL and lost to JEFFERSON. (Ohio Laws 1832, 31st assy., gen., p. 8; Chase, 3:ch. 478/pp. 2146-2147)

Boundary between COLUMBIANA and JEFFERSON was clarified [no change]. (Ohio Laws 1833, 32d assy., loc., p. 139)

COLUMBIANA lost to creation of MAHONING. (Ohio Laws 1845, 44th assy., loc., p. 116)

COSHOCTON created from MUSKINGUM and TUSCARAWAS; COSHOCTON not fully organized, attached to MUSKINGUM for administrative and judicial purposes. (Ohio Laws 1809, 8th assy., ch. 26, secs. 1-2, 4/pp. 81-83; Chase, 3:ch. 381/pp. 2112-2113)

COSHOCTON fully organized, detached from MUSKINGUM. (Ohio Laws 1810, 9th assy., ch. 17/p. 32; Chase, 3:ch. 387/p. 2115)

COSHOCTON lost to creation of HOLMES; HOLMES not fully organized, part attached to COSHOCTON for administrative and judicial purposes. (Ohio Laws 1823, 22d assy., loc., ch. 36/p. 50; Chase, 3:ch. 444/p. 2138)

HOLMES fully organized, detached from COSHOCTON. (Ohio Laws 1824, 23d assy., gen., sec. 1/p. 21; Chase, 3:ch. 447/pp. 2139-2140)

CRAWFORD created from Non-County Area 5 attached to DELAWARE and a small part of Non-County Area 9 attached to LOGAN; CRAWFORD not fully organized, attached to DELAWARE for administrative and judicial purposes. (Ohio Laws 1819, 18th assy., loc., ch. 37, secs. 1-2/p. 91; Chase, 3:ch. 429/p. 2134-2135)

Part of CRAWFORD was detached from DELAWARE, attached to SENECA "for judicial purposes." (Ohio Laws 1823, 22d assy., loc., chs. 34, 55/pp. 49, 88; Chase, 3:chs. 442, 445/pp. 2137-2139)

CRAWFORD detached from DELAWARE, attached to MARION "for judicial purposes." (Ohio Laws 1823, 22d assy., loc., ch. 33/p. 48; Chase, 3:ch. 441/p. 2137)

CRAWFORD fully organized, detached from MARION and SENECA. (Ohio Laws 1825, 24th assy., gen., p. 46; Chase, 3:ch. 450/pp. 2140-2141)

CRAWFORD gained from MARION and RICHLAND, lost to creation of WYANDOT. (Ohio Laws 1844, 43d assy., loc., secs. 1-2, 4pp. 61-62)

CRAWFORD lost to creation of MORROW. (Ohio Laws 1847, 46th assy., loc., secs. 1, 4/pp. 233-234)

CUYAHOGA created from GEAUGA; CUYAHOGA not fully organized, attached to GEAUGA for administrative and judicial purposes. (Ohio Laws 1807, 6th assy., ch. 1, secs.1, 3, 5-7/pp. 3-5; Chase, 3:ch. 362/p. 2105)

CUYAHOGA fully organized, detached from GEAUGA. HURON detached from GEAUGA and PORTAGE, attached to CUYAHOGA. Non-County Area 3 detached from GEAUGA, attached to CUYAHOGA. Both attachments were for administrative and judicial purposes. (Ohio Laws 1809, 8th assy., ch. 11/p. 34; Chase, 3:ch. 378/p. 2111)

CUYAHOGA gained part of Non-County Area 3 that was attached to CUYAHOGA. Mistake in description created an overlap (Overlap Area 2) between CUYAHOGA and HURON; corrected 18 February 1812. HURON remained attached to CUYAHOGA for administrative and judicial purposes. (Ohio Laws 1810, 9th assy., ch. 14/p. 27; Chase 3:ch. 386/p. 2114)

CUYAHOGA lost Overlap Area 2 to HURON, ending dispute dating from 22 January 1811. (Ohio Laws 1811, 10th assy., ch. 46/p. 122; Chase, 3:ch. 391/pp. 2115-2116)

HURON fully organized, detached from CUYAHOGA. (Ohio Laws 1814, 13th assy., ch. 33/p. 113; Chase, 3:ch. 401/p. 2120)

CUYAHOGA lost to creation of LORAIN; LORAIN not fully organized, part attached to CUYAHOGA for administrative and judicial purposes. (Ohio Laws 1822, 21st assy., loc., ch. 5/p. 5; Chase, 3:ch. 436/pp. 2135-2136)

LORAIN fully organized, detached from CUYAHOGA. (Ohio Laws 1823, 22d assy., loc., ch. 12/p. 12; Chase, 3:ch. 439/pp. 2136-2137)

CUYAHOGA gained from LORAIN. CUYAHOGA also gained non-county area over the waters of Lake Erie as its limits were extended to the northern boundary of Ohio [not mapped]. (Ohio Laws 1826, 25th assy., gen., pp. 99, 111; Chase, 3:chs. 456, 458/pp. 2142-2143)

Northern boundary of CUYAHOGA was redefined to match the northern limit of Ohio in Lake Erie [no change]. (Ohio Laws 1834, 33d assy., loc., secs. 1, 3-5/pp. 92-93)

CUYAHOGA lost to creation of LAKE; LAKE not fully organized, part attached to CUYAHOGA for administrative and judicial purposes. (Ohio Laws 1839, 38th assy., loc., p. 102)

LAKE fully organized, detached from CUYAHOGA. (Ohio Laws 1839, 38th assy., loc., p. 171)

CUYAHOGA exchanged small areas with GEAUGA [area lost by CUYAHOGA too small to display on interactive map; shapefile users see small_changes 1841_pt. for location]. (Ohio Laws 1840, 39th assy., loc., p. 10)

CUYAHOGA gained small area from GEAUGA [change too small to display on interactive map; shapefile users see small_changes 1843_pt. for location]. (Ohio Laws 1842, 41st assy., loc., p. 19)

DARKE created from MIAMI; DARKE not fully organized, attached to MIAMI for administrative and judicial purposes. (Ohio Laws 1808, 7th assy., ch. 6/p. 69; Chase, 3:ch. 373/p. 2110)

Part of MONTGOMERY lying north of the Indian Boundary became Non-County Area 6 attached to DARKE and indirectly through DARKE to MIAMI; attachment was for administrative and judicial purposes. (Ohio Laws 1811, 10th assy., ch. 13/p. 22; Chase, 3:ch. 390/p. 2115)

DARKE fully organized, detached fron MIAMI; Non-County Area 6 attached directly to DARKE for administrative and judicial purposes. (Ohio Laws 1816, 15th assy., ch. 4/p. 5; Chase, 3:ch. 406/p. 2122)

DARKE lost all of attached Non-County Area 6 to creation of MERCER, PAULDING, VAN WERT, and WILLIAMS. MERCER and VAN WERT not fully organized, both attached to DARKE for administrative and judicial purposes. (Ohio Laws 1819, 18th assy., loc., ch. 37/pp. 90-93; Chase, 3:ch. 429/pp. 2134-2135)

MERCER fully organized, detached from DARKE. VAN WERT detached from DARKE, attached to MERCER "for judicial purposes." (Ohio Laws 1823, 22d assy., loc., ch. 35/p. 49; Chase, 3:ch. 443/p. 2138)

DARKE exchanged with MERCER. (Ohio Laws 1847, 46th assy., loc., secs. 1-4, 7/pp. 128-129)

DEFIANCE created from HENRY, PAULDING, and WILLIAMS. (Ohio Laws 1844, 43d assy., loc., sec. 1/p. 191)

DELAWARE created from FRANKLIN. (Ohio Laws 1807, 6th assy., chs. 10, 45/pp. 29, 152; Chase, 3:ch. 365/p. 2107)

Northern part of FRANKLIN reverted to Non-County Area 5 and was attached to DELAWARE for administrative and judicial purposes. (Ohio Laws 1808, 7th assy., ch. 27/p. 156; Chase, 3:ch. 376/p. 2110)

Non-County Area 5 attached to DELAWARE lost to creation of Non-County Area 8 which was attached to HURON "for judicial purposes." (Ohio Laws 1814, 13th assy., ch. 33/p. 113; Chase, 3:ch. 401/p. 2120)

DELAWARE lost to creation of UNION; DELAWARE lost all of attached Non-County Area 5 to creation of CRAWFORD, HANCOCK, HARDIN, MARION, and UNION. CRAWFORD and MARION not fully organized, both attached to DELAWARE for administrative and judicial purposes. (Ohio Laws 1819, 18th assy., loc., chs. 16, 37/pp. 56-59, 90-93; Chase, 3:chs. 428-429/pp. 2133-2135)

Part of CRAWFORD detached from DELAWARE, attached to SENECA "for judicial purposes." (Ohio Laws 1823, 22d assy., loc., chs. 34, 55/pp. 49, 88; Chase, 3:chs. 442, 445/pp. 2137-2139)

MARION fully organized, detached from DELAWARE; CRAWFORD detached from DELAWARE, attached to MARION "for judicial purposes." (Ohio Laws 1823, 22d assy., loc., ch. 33/p. 48; Chase, 3:ch. 441/p. 2137)

DELAWARE lost to creation of MORROW and lost to MARION. (Ohio Laws 1847, 46th assy., loc., secs. 1, 4/pp. 233-234)

The United States created Michigan Territory from Indiana Territory. Michigan Territory claimed and controlled a strip that ran from Indiana Territory east to Lake Erie that also was claimed by Ohio. (Terr. Papers U.S., 10:5-7; U.S. Stat., vol. 2, ch. 5 [1805]/pp. 309-310)

WAYNE (Mich.) created by Michigan Territory from non-county area; included part of the disputed strip west of Lake Erie that also was claimed by Ohio but controlled by Michigan. (Terr. Papers U.S., 10:720)

MONROE (Mich.) created by Michigan Territory from WAYNE (Mich.); included part of the disputed strip west of Lake Erie that also was claimed by Ohio but controlled by Michigan. WAYNE (Mich.) eliminated from the disputed area and present Ohio. (Terr. Papers U.S., 10:729)

LENAWEE (Mich.) created by Michigan Territory from MONROE (Mich.); included part of the disputed strip west of Lake Erie that also was claimed by Ohio but controlled by Michigan. (Terr. Papers U.S., 11:311, 313)

HILLSDALE (Mich.) created by Michigan Territory from non-county area; included part of the disputed strip west of Lake Erie that also was claimed by Ohio but controlled by Michigan. (Mich. Terr. Laws, 2:sec. 9/p. 736)

Ohio legislature authorized HENRY, WILLIAMS, and WOOD to gain control of the area disputed with Michigan Territory. (Ohio Laws 1834, 33d assy., loc., secs. 1, 3-5/pp. 92-93)

The state of Michigan was created from Michigan Territory. Boundary dispute between Ohio and Michigan over the strip running from Indiana to Lake Erie was settled in favor of Ohio; Ohio gained control over the disputed area that it had claimed since statehood in 1803. (U.S. Stat., vol. 5, ch. 99 [1836], secs. 1-2/p. 49; ch. 117 [1836]/pp. 56-57; and ch. 6 [1837]/p.144; Van Zandt, 127)

ERIE created from HURON and SANDUSKY. (Ohio Laws 1837, 36th assy., gen., pp. 60, 66)

ERIE gained from HURON, lost to creation of OTTAWA. (Ohio Laws 1839, 38th assy., loc., p. 99)

ERIE gained Kelley's Island from OTTAWA. (Ohio Laws 1844, 43d assy., loc., p. 300)

FAIRFIELD created by the Northwest Territory from ROSS and WASHINGTON. (Terr. Papers U.S., 3:526; Chase, 3:ch. 340/pp. 2097-2098)

FAIRFIELD became a county in the state of Ohio. (U.S. Stat., vol. 2, ch. 40 [1802], secs. 1-3/pp. 173-174; Van Zandt, 112)

FAIRFIELD lost to creation of MUSKINGUM. (Ohio Laws 1803, 2d assy., ch. 6, secs. 1-4/pp. 68-70; Chase, 3:ch. 349/p. 2101)

FAIRFIELD lost to creation of KNOX and LICKING, and lost to FRANKLIN. (Ohio Laws 1807, 6th assy., ch. 8, secs. 1-2, 7/pp. 21-24; Chase, 3:ch. 364, secs. 1-2, 7/pp. 2106-2107)

FAIRFIELD lost to creation of PICKAWAY. (Ohio Laws 1809, 8th assy., ch. 13/p. 41; Chase, 3:ch. 379/p. 2111)

FAIRFIELD lost to creation of HOCKING and PERRY. (Ohio Laws 1817, 16th assy., ch. 11, secs. 1, 5/pp. 26, 29 and ch. 24, secs. 1, 6/pp. 60, 62; Chase, 3:ch. 411/p. 2124 and ch. 416/pp. 2127-2128)

FAIRFIELD lost to HOCKING. (Ohio Laws 1849, 48th assy., loc., secs. 1-3, 6/pp. 684-685)

FAIRFIELD lost to FRANKLIN. (Ohio Laws 1850, 49th assy., loc., p. 150)

FAYETTE created from HIGHLAND and ROSS. (Ohio Laws 1809, 8th assy., ch. 39, secs. 1-2/pp. 138-139; Chase 3:ch. 382/p. 2113)

FRANKLIN created from ROSS and Non-County Area 1. FRANKLIN overlapped a small area of WAYNE (Indiana Territory, extinct). (Ohio Laws 1803, 1st assy., ch. 11/p. 26; Chase, 3:ch. 348/p. 2101)

FRANKLIN lost to creation of CHAMPAIGN. (Ohio Laws 1804, 3d assy., ch. 69/p. 285; Chase, 3:ch. 342 [sic]/p. 2103)

FRANKLIN gained from FAIRFIELD, lost to creation of KNOX and RICHLAND. (Ohio Laws 1807, 6th assy., ch. 8, secs. 1-2, 7/pp. 21-24; Chase, 3:ch. 364, secs. 1-2, 7/pp. 2106-2107)

FRANKLIN lost to creation of DELAWARE [FRANKLIN was separated into two parts by this creation]. (Ohio Laws 1807, 6th assy., chs. 10, 45/pp. 29, 152; Chase, 3:ch. 365/p. 2107)

Northern part of FRANKLIN reverted to Non-County Area 5 that was attached to DELAWARE for administrative and judicial purposes. (Ohio Laws 1808, 7th assy., ch. 27/p. 156; Chase, 3:ch. 376/p. 2110)

FRANKLIN lost to creation of MADISON and PICKAWAY. (Ohio Laws 1809, 8th assy., ch. 13/p. 41 and ch. 67/p. 248; Chase, 3:ch. 379/p. 2111 and ch. 385/p. 2114)

FRANKLIN gained small area from LICKING. (Ohio Laws 1816, 15th assy., ch. 53/p. 169; Chase, 3:ch. 410/p. 2123)

FRANKLIN lost to creation of UNION and lost to MADISON. (Ohio Laws 1819, 18th assy., loc., ch. 16, secs. 1, 8-9/pp. 56, 58; Chase, 3:ch. 428/p. 2133)

FRANKLIN exchanged with MADISON. (Ohio Laws 1844, 43d assy., loc., p. 196)

FRANKLIN gained from FAIRFIELD. (Ohio Laws 1850, 49th assy., loc., p. 150)

Legislature authorized FRANKLIN to gain from MADISON dependent on local referendum [local action unknown, no change]. (Ohio Laws 1857, 52d assy., 2d sess., p. 260)

FULTON created from HENRY, LUCAS, and WILLIAMS. (Ohio Laws 1849, 48th assy., loc., p. 682)

GALLIA created from WASHINGTON. (Ohio Laws 1803, 1st assy., ch. 8/p. 19; Chase, 3:ch. 347/pp. 2100-2101)

GALLIA lost to SCIOTO. (Ohio Laws 1804, 3d assy., ch. 74/p. 294; Chase, 3:ch. 354/p. 2103)

GALLIA exchanged small areas with ATHENS. (Ohio Laws 1806, 5th assy., ch. 39/p. 105; Chase, 3:ch. 359/p. 2105)

GALLIA lost to creation of LAWRENCE; LAWRENCE not fully organized, part attached to GALLIA for administrative and judicial purposes. (Ohio Laws 1815, 14th assy., ch. 8/p. 22; Chase, 3:ch. 403/p. 2121)

GALLIA lost to creation of JACKSON. (Ohio Laws 1815, 14th assy., ch. 25, secs. 1, 5/pp. 112, 115; Chase, 3:ch. 404/pp. 2121-2122)

LAWRENCE fully organized, detached from GALLIA. (Ohio Laws 1816, 15th assy., ch. 6/p. 6; Chase, 3:ch. 407/p. 2123)

GALLIA lost to LAWRENCE. (Ohio Laws 1818, 17th assy., ch. 2/p. 3; Chase, 3:ch. 420/p. 2129)

GALLIA lost to creation of MEIGS. (Ohio Laws 1818, 17th assy., ch. 25, secs. 1, 6/pp. 40, 43; Chase, 3:ch. 423/pp. 2131-2132)

GALLIA gained small area from LAWRENCE. (Ohio Laws 1838, 37th assy., loc., p. 229)

GALLIA exchanged small areas with LAWRENCE. (Ohio Laws 1839, 38th assy., loc., p. 46)

GALLIA lost to creation of VINTON and lost to JACKSON. (Ohio Laws 1849, 48th assy., loc., secs. 1-3, 6/pp. 684-685)

GEAUGA created from TRUMBULL. (Ohio Laws 1805, 4th assy./p. 65; Chase, 3:ch. 356/pp. 2103-2104)

GEAUGA lost to creation of ASHTABULA and CUYAHOGA; ASHTABULA not fully organized, part attached to GEAUGA; CUYAHOGA not fully organized, attached to GEAUGA. Part of TRUMBULL reverted to Non-County Area 3 and was attached to GEAUGA. All attachments were for administrative and judicial purposes. (Ohio Laws 1807, 6th assy., ch. 1, secs.1, 3, 5-7/pp. 3-5; Chase, 3:ch. 362/p. 2105)

GEAUGA lost part of attached Non-County Area 3 to creation of HURON; HURON not fully organized, part attached to GEAUGA for administrative and judicial purposes. (Ohio Laws 1808, 7th assy., ch. 48/p. 194; Chase, 3:ch. 377/pp. 2110-2111)

CUYAHOGA fully organized, detached from GEAUGA. HURON and Non-County Area 3 detached from GEAUGA, attached to CUYAHOGA for administrative and judicial purposes. (Ohio Laws 1809, 8th assy., ch. 11/p. 34; Chase, 3:ch. 378/p. 2111)

ASHTABULA fully organized, detached from GEAUGA. (Ohio Laws 1810, 9th assy., ch. 21/p. 42; Chase, 3:ch. 388/p. 2115)

GEAUGA gained non-county area over the waters of Lake Erie as its limits were extended to the northern boundary of Ohio [not mapped]. (Ohio Laws 1826, 25th assy., gen., p. 99; Chase, 3:ch. 456/p. 2142)

Northern boundary of GEAUGA was redefined to match the northern limit of Ohio in Lake Erie [no change]. (Ohio Laws 1834, 33d assy., loc., secs. 1, 3-5/pp. 92-93)

GEAUGA lost to creation of LAKE; LAKE not fully organized, part attached to GEAUGA for administrative and judicial purposes. (Ohio Laws 1839, 38th assy., loc., p. 102)

LAKE fully organized, detached from GEAUGA. (Ohio Laws 1839, 38th assy., loc., p. 171)

GEAUGA exchanged small areas with CUYAHOGA [area gained by GEAUGA too small to display on interactive map; shapefile users see small_changes 1841_pt. for location]. (Ohio Laws 1840, 39th assy., loc., p. 10)

GEAUGA lost small area to CUYAHOGA [change too small to display on interactive map; shapefile users see small_changes 1843_pt. for location]. (Ohio Laws 1842, 41st assy., loc., p. 19)

GREENE created from HAMILTON, ROSS, and Non-County Area 1. (Ohio Laws 1803, 1st assy., ch. 4, secs. 1-4, 8/pp. 9-12; Chase, 3:ch. 345/pp. 2099-2100)

GREENE lost to creation of CHAMPAIGN. (Ohio Laws 1804, 3d assy., ch. 69/p. 285; Chase, 3:ch. 342 [sic]/p. 2103)

GREENE lost to creation of CLARK. (Ohio Laws 1817, 16th assy., ch. 14, secs. 1, 7/pp. 33, 36; Chase, 3:ch. 413/pp. 2125-2126)

GUERNSEY created from BELMONT and MUSKINGUM. (Ohio Laws 1809, 8th assy., ch. 20, secs. 1-2, 4/pp. 65-67; Chase, 3:ch. 380/p. 2112)

GUERNSEY lost to creation of MONROE; MONROE not fully organized, part attached to GUERNSEY for administrative and judicial purposes. (Ohio Laws 1812, 11th assy., ch. 25/p. 57; Chase, 3:ch. 396/p. 2117)

MONROE fully organized, detached from GUERNSEY. (Ohio Laws 1814, 13th assy., ch. 36, secs. 1, 2, 6/pp. 128-129; Chase, 3:ch. 402/pp. 2120-2121)

GUERNSEY lost to creation of MORGAN; MORGAN not fully organized, part attached to GUERNSEY for administrative and judicial purposes. (Ohio Laws 1817, 16th assy., ch. 18/p. 42; Chase, 3:ch. 414/p. 2126)

MORGAN fully organized, detached from GUERNSEY. (Ohio Laws 1818, 17th assy., ch. 6, secs. 1, 4/pp. 7-9; Chase, 3:ch. 421/pp. 2129-2130)

GUERNSEY lost to creation of NOBLE. (Ohio Laws 1850, 49th assy., loc., secs. 1-2, 4, 10/pp. 137-139)

HAMILTON created by the Northwest Territory from non-county area. (Terr. Papers U.S., 3:294-295; Chase, 3:ch. 331/p. 2096)

HAMILTON gained from WASHINGTON and from non-county area in the Northwest Territory; HAMILTON included the eastern part of present Michigan. (Terr. Papers U.S., 3:363-364)

HAMILTON lost to creation of WAYNE (Northwest Territory, extinct); HAMILTON eliminated from present Michigan. (Terr. Papers U.S., 2:567-568 and 3:447; Chase, 3:ch. 332/p. 2096)

HAMILTON lost to creation of ADAMS. (Terr. Papers U.S., 2:612-613; Chase, 3:ch. 333/p. 2096)

HAMILTON gained from KNOX (Ind.) in present Indiana and Ohio. (Terr. Papers U.S., 3:509; Chase, 3:ch. 335/p. 2097)

HAMILTON lost to creation of ROSS. (Terr. Papers U.S., 3:510; Chase, 3:ch. 336/p. 2097)

HAMILTON lost to ADAMS. (Terr. Papers U.S., 3:510-511; Chase, 3:ch. 337/p. 2097)

HAMILTON lost to creation of CLERMONT. (Terr. Papers U.S., 3:526; Chase, 3:ch. 339/p. 2097)

HAMILTON became a county in the state of Ohio. HAMILTON gained from KNOX (Ind.), exchanged with CLARK (Ind.); HAMILTON eliminated from present Indiana. (Ind. Terr., Exec. Journal, 114-115; Pence and Armstrong, 218; U.S. Stat., vol. 2, ch. 40 [1802], secs. 1-3/pp. 173-174; Van Zandt, 112)

HAMILTON lost to creation of BUTLER, GREENE, MONTGOMERY, and WARREN. (Ohio Laws 1803, 1st assy., ch. 4, secs. 1-4, 8/pp. 9-12; Chase, 3:ch. 345/pp. 2099-2100)

HAMILTON lost to BUTLER. (Ohio Laws 1807, 6th assy., ch. 4/p. 10; Chase, 3:ch. 363/p. 2106)

HANCOCK created from Non-County Area 9 attached to LOGAN and a small part of Non-County Area 5 attached to DELAWARE; HANCOCK not fully organized, attached to WOOD for administrative and judicial purposes. (Ohio Laws 1819, 18th assy., loc., ch. 37, secs. 1-2/pp. 90-91; Chase, 3:ch. 429/p. 2134-2135)

HANCOCK fully organized, detached from WOOD. (Ohio Laws 1827, 26th assy., gen., p. 5; Chase, 3:ch. 462/p. 2144)

HANCOCK lost to creation of WYANDOT. (Ohio Laws 1844, 43d assy., loc., secs. 1-2, 4/pp. 61-62)

HARDIN created from Non-County Area 5 attached to DELAWARE and Non-County Area 9 attached to LOGAN; HARDIN not fully organized, attached to LOGAN for administrative and judicial purposes. (Ohio Laws 1819, 18th assy., loc., ch. 37, secs. 1-2/pp. 90-91; Chase, 3:ch. 429/pp. 2134-2135)

HARDIN fully organized, detached from LOGAN. (Ohio Laws 1832, 31st assy., gen., p. 10; Chase, 3:ch. 479/p. 2147)

HARDIN lost to creation of WYANDOT. (Ohio Laws 1844, 43d assy., loc., secs. 1-2, 4/pp. 61-62)

Boundary between HARDIN and LOGAN was clarified [no change]. (Ohio Laws 1883, 65th assy., adj. sess., p. 341)

HARRISON created from JEFFERSON and TUSCARAWAS. (Ohio Laws 1812, 11th assy., ch. 5., sec. 1/p. 11 and ch. 11/p. 26; Chase, 3:chs. 393, 395/pp. 2116-2117)

HARRISON gained from TUSCARAWAS, lost to creation of CARROLL. (Ohio Laws 1832, 31st assy., gen., p. 8; Chase, 3:ch. 478/pp. 2146-2147)

HENRY created from Non-County Area 9 attached to LOGAN and Non-County Area 7 attached to SHELBY. HENRY overlapped part of the area disputed with Michigan Territory since 1805 that was actually under Michigan control. HENRY not fully organized, attached to WOOD for administrative and judicial purposes. (Ohio Laws 1819, 18th assy., loc., ch. 37, secs. 1-2/p. 91; Chase, 3:ch. 429/pp. 2134-2135)

HENRY detached from WOOD, attached to WILLIAMS "for judicial purposes." (Ohio Laws 1823, 22d assy., loc., ch. 16/p. 19; Chase, 3:ch. 440/p. 2137)

HENRY fully organized, detached from WILLIAMS. (Ohio Laws 1834, 33d assy., loc., p. 11)

Ohio legislature authorized HENRY to gain control of the area disputed with Michigan Territory. (Ohio Laws 1834, 33d assy., loc., secs. 1, 3-5/pp. 92-93)

HENRY lost to creation of LUCAS. (Ohio Laws 1835, 33d assy., 2d sess., sec. 1/p. 5)

HENRY lost to creation of DEFIANCE. (Ohio Laws 1844, 43d assy., loc., sec. 1/p. 191)

HENRY lost to creation of FULTON. (Ohio Laws 1849, 48th assy., loc., p. 682)

HIGHLAND created from ADAMS, CLERMONT, and ROSS. (Ohio Laws 1804, 3d assy., ch. 60, sec. 1/p. 256; Chase, 3: ch. 350/p. 2102)

HIGHLAND lost to creation of CLINTON and FAYETTE. (Ohio Laws 1809, 8th assy., ch. 63/p. 236 and ch. 39, secs. 1-2/pp. 138-139; Chase, 3:chs. 382, 384/pp. 2113-2114)

HIGHLAND lost to CLINTON. (Ohio Laws 1812, 11th assy., ch. 30/p. 67; Chase, 3:ch. 397/pp. 2117-2118)

HIGHLAND lost small area to CLINTON. (Ohio Laws 1814, 13th assy., ch. 31, secs. 1, 2, 4, 5/pp. 109-112; Chase, 3:ch. 400/pp. 2119-2120)

HIGHLAND gained from BROWN. (Downes, 446-448)

HILLSDALE (Mich.) created by Michigan Territory from non-county area; included part of the disputed strip west of Lake Erie that also was claimed by Ohio but controlled by Michigan. (Mich. Terr. Laws, 2:sec. 9/p. 736)

HILLSDALE (Mich.) lost to Ohio when the state of Michigan was created from Michigan Territory; boundary dispute with Ohio over the strip running from Indiana to Lake Erie was settled in favor of Ohio. (U.S. Stat., vol. 5, ch. 99 [1836], secs. 1-2/p. 49; ch. 117 [1836]/pp. 56-57; and ch. 6 [1837]/p.144; Van Zandt, 127)

HOCKING created from ATHENS, FAIRFIELD, and ROSS. (Ohio Laws 1817, 16th assy., ch. 24, secs. 1, 6/pp. 60, 62; Chase, 3:ch. 416/pp. 2127-2128)

HOCKING lost to ROSS. (Ohio Laws 1833, 32d assy., loc., p. 240)

HOCKING gained from ATHENS. (Ohio Laws 1844, 43d assy., loc., p. 410)

HOCKING gained from ATHENS and FAIRFIELD, lost to creation of VINTON. (Ohio Laws 1849, 48th assy., loc., secs. 1-3, 6/pp. 684-685)

HOLMES created from COSHOCTON, TUSCARAWAS, and WAYNE; HOLMES not fully organized, parts attached to COSHOCTON, TUSCARAWAS, and WAYNE for administrative and judicial purposes. (Ohio Laws 1823, 22d assy., loc., ch. 36/p. 50; Chase, 3:ch. 444/p. 2138)

HOLMES fully organized, detached from COSHOCTON, TUSCARAWAS, and WAYNE. (Ohio Laws 1824, 23d assy., gen., sec. 1/p. 21; Chase, 3:ch. 447/pp. 2139-2140)

Legislature authorized KNOX to gain from HOLMES dependent on local referendum [local action unknown, no change]. (Ohio Laws 1896, 72d assy., reg. sess., p. 670)

HURON created from part of Non-County Area 3 attached to GEAUGA and part of Non-County Area 4 attached to PORTAGE; HURON not fully organized, parts attached to GEAUGA and PORTAGE for administrative and judicial purposes. (Ohio Laws 1808, 7th assy., ch. 48/p. 194; Chase, 3:ch. 377/pp. 2110-2111)

HURON detached from GEAUGA and PORTAGE, attached to CUYAHOGA for administrative and judicial purposes. (Ohio Laws 1809, 8th assy., ch. 11/p. 34; Chase, 3:ch. 378/p. 2111)

HURON gained part of Non-County Area 3 attached to CUYAHOGA. Mistake in description created an overlap with CUYAHOGA; corrected 18 February 1812. HURON remained attached to CUYAHOGA. (Ohio Laws 1810, 9th assy., ch. 14/p. 27; Chase 3:ch. 386/p. 2114)

HURON gained control of the area overlapped with CUYAHOGA, ending dispute dating from 22 January 1811. (Ohio Laws 1811, 10th assy., ch. 46/p. 122; Chase, 3:ch. 391/pp. 2115-2116)

HURON fully organized, detached from CUYAHOGA. Non-County Area 8 created from Non-County Area 5; Non-County Area 8 detached from DELAWARE, attached to HURON "for judicial purposes." (Ohio Laws 1814, 13th assy., ch. 33/p. 113; Chase, 3:ch. 401/p. 2120)

HURON lost all of attached Non-County Area 8 to creation of SANDUSKY and SENECA; Non-County Area 8 eliminated. (Ohio Laws 1819, 18th assy., loc., ch. 37/pp. 91-92; Chase, 3:ch. 429/pp. 2134-2135)

HURON lost to creation of LORAIN; LORAIN not fully organized, part attached to HURON for administrative and judicial purposes. (Ohio Laws 1822, 21st assy., loc., ch. 5/p. 5; Chase, 3:ch. 436/pp. 2135-2136)

LORAIN fully organized, detached from HURON. (Ohio Laws 1823, 22d assy., loc., ch. 12/p. 12; Chase, 3:ch. 439/pp. 2136-2137)

Northern boundary of HURON was redefined to match the northern limit of Ohio in Lake Erie [no change]. (Ohio Laws 1834, 33d assy., loc., secs. 1, 3-5/pp. 92-93)

HURON lost to creation of ERIE. (Ohio Laws 1837, 36th assy., gen., pp. 60, 66)

HURON lost to ERIE. (Ohio Laws 1839, 38th assy., loc., p. 99)

HURON lost to creation of ASHLAND. (Ohio Laws 1845, 44th assy., loc., secs. 1-2/pp. 172-173)

ILLINOIS County (Va., extinct) created by Virginia to encompass all territory north and west of the Ohio River and east of the Mississippi River, claimed by Virginia on the basis of its 1609 charter; ILLINOIS County including all of present Ohio. (Hening, 9:552-555, 10:303-304; Robinson, 55)

Virginia ceded to the United States its charter claims to territory "northwestward of the river Ohio;" ILLINOIS County (Va.) eliminated. (Cappon, Petchenik, and Long, 62, 130-131; Hening, 11:571-575)

The United States created Indiana Territory from the Northwest Territory. Map depicts non-county area of Indiana Territory in present Ohio. (Terr. Papers U.S., 3:86-88; U.S. Stat., vol. 2, ch. 41 [1800]/pp. 58-59)

Non-county area of Indiana Territory located in present Ohio lost to KNOX (Ind.); all non-county area in present Ohio eliminated. (Ind. Terr., Exec. Journal, 97-100; Pence and Armstrong, 212, 520)

JACKSON created from ATHENS, GALLIA, ROSS, and SCIOTO. (Ohio Laws 1815, 14th assy., ch. 25, secs. 1, 5/pp. 112, 115; Chase, 3:ch. 404/pp. 2121-2122)

JACKSON gained from ROSS. (Ohio Laws 1817, 16th assy., ch. 24, secs. 1, 6/pp. 60, 62; Chase, 3:ch. 416/pp. 2127-2128)

JACKSON lost small area to ROSS. (Ohio Laws 1838, 37th assy., loc., p. 18)

JACKSON exchanged with PIKE. (Ohio Laws 1842, 41st assy., loc., p. 55)

JACKSON gained from GALLIA, lost to creation of VINTON. (Ohio Laws 1849, 48th assy., loc., secs. 1-3, 6/pp. 684-685)

JEFFERSON created by the Northwest Territory from WASHINGTON and part of the Western Reserve. This implicit challenge to Connecticut's authority in the Western Reserve went unanswered. (Terr. Papers U.S., 2:617-618; Chase, 3:ch. 334/p. 2096)

JEFFERSON gained from WASHINGTON. (Chase, 3:ch. 342/p. 2098)

JEFFERSON lost to creation of TRUMBULL. (Terr. Papers U.S., 3:525; Chase, 3:ch. 338/p. 2097)

JEFFERSON lost to creation of BELMONT. (Terr. Papers U.S., 3:528; Chase, 3:ch. 341/p. 2098)

JEFFERSON became a county in the state of Ohio. (U.S. Stat., vol. 2, ch. 40 [1802], secs. 1-3/pp. 173-174; Van Zandt, 112)

JEFFERSON lost to creation of COLUMBIANA. (Ohio Laws 1803, 1st assy., ch. 6/p. 15; Chase, 3:ch. 346/p. 2100)

JEFFERSON gained from WASHINGTON. (Ohio Laws 1806, 5th assy., ch. 37/p. 104; Ohio Laws 1826, 25th assy., gen., p. 15; Chase, 3:ch. 358/p. 2104 and ch. 454/p. 2141)

JEFFERSON lost to TUSCARAWAS. (Ohio Laws 1808, 7th assy., ch. 18/p. 142; Chase, 3:ch. 374/p. 2110)

JEFFERSON lost to creation of HARRISON. (Ohio Laws 1812, 11th assy., ch. 5., sec. 1/p. 11 and ch. 11/p. 26; Chase, 3:chs. 393, 395/pp. 2116-2117)

JEFFERSON gained from COLUMBIANA, lost to creation of CARROLL. (Ohio Laws 1832, 31st assy., gen., p. 8; Chase, 3:ch. 478/pp. 2146-2147)

Boundary between JEFFERSON and COLUMBIANA was clarified [no change]. (Ohio Laws 1833, 32d assy., loc., p. 139)

Boundary between JEFFERSON and CARROLL was clarified [no change]. (Ohio Laws 1834, 33d assy., loc., p. 118)

KNOX (Ind.) created by the Northwest Territory from non-county area; included all of present Indiana, and part of present Ohio, Illinois, Michigan, and Wisconsin. (Terr. Papers U.S., 3:313)

KNOX (Ind.) lost to creation of WAYNE (Northwest Territory, extinct); KNOX (Ind.) eliminated from present Michigan and Wisconsin. (Terr. Papers U.S., 2:567-568, 3:447; Chase, 3:ch. 332/p. 2096)

KNOX (Ind.) lost to HAMILTON in present Indiana and Ohio. (Terr. Papers U.S., 3:509; Chase, 3:ch. 335/p. 2097)

KNOX (Ind.) gained non-county area in Indiana Territory; included part of present Ohio. KNOX (Ind.) also lost to creation of CLARK (Ind.), and lost to RANDOLPH (Ill.) and ST. CLAIR (Ill.). KNOX (Ind.) included territory in present Indiana, Ohio, Illinois, and Michigan. (Ind. Terr., Exec. Journal, 97-100; Pence and Armstrong, 212, 520)

KNOX (Ind.) lost to creation of WAYNE (Indiana Territory, extinct) and lost to HAMILTON and Non-County Area 1 in Ohio; KNOX (Ind.) eliminated from present Ohio. (Ind. Terr., Exec. Journal, 114-115; Pence and Armstrong, 218; U.S. Stat., vol. 2, ch. 40 [1802], secs. 1-3/pp. 173-174; Van Zandt, 112)

KNOX created from FAIRFIELD, FRANKLIN, and Non-County Area 2. RICHLAND attached to KNOX for administrative and judicial purposes. (Ohio Laws 1807, 6th assy., ch. 8, secs. 1-2, 7/pp. 21-24; Chase, 3:ch. 364, secs. 1-2, 7/pp. 2106-2107)

RICHLAND fully organized, detached from KNOX. (Ohio Laws 1812, 11th assy., ch. 9/p. 21; Chase, 3:ch. 394/p. 2117)

KNOX lost to creation of MORROW. (Ohio Laws 1847, 46th assy., loc., secs. 1, 4/pp. 233-234)

Legislature authorized KNOX to gain from HOLMES dependent on local referendum [local action unknown, no change]. (Ohio Laws 1896, 72d assy., reg. sess., p. 670)

LAKE created from CUYAHOGA and GEAUGA; LAKE not fully organized, parts attached to CUYAHOGA and GEAUGA for administrative and judicial purposes. (Ohio Laws 1839, 38th assy., loc., p. 102)

LAKE fully organized, detached from CUYAHOGA and GEAUGA. (Ohio Laws 1839, 38th assy., loc., p. 171)

LAWRENCE created from GALLIA and SCIOTO; LAWRENCE not fully organized, parts attached to GALLIA and SCIOTO for administrative and judicial purposes. (Ohio Laws 1815, 14th assy., ch. 8/p. 22; Chase, 3:ch. 403/p. 2121)

LAWRENCE gained small area from SCIOTO; LAWRENCE fully organized, detached from GALLIA and SCIOTO. (Ohio Laws 1816, 15th assy., ch. 6/p. 6; Chase, 3:ch. 407/p. 2123)

LAWRENCE lost to SCIOTO. (Ohio Laws 1817, 16th assy., ch. 34/p. 77; Chase 3:ch. 419/p. 2129)

LAWRENCE gained from GALLIA. (Ohio Laws 1818, 17th assy., ch. 2/p. 3; Chase, 3:ch. 420/p. 2129)

LAWRENCE lost to SCIOTO. (Ohio Laws 1825, 24th assy., gen., p. 76; Chase, 3:ch. 451/p. 2141)

LAWRENCE lost small area to GALLIA. (Ohio Laws 1838, 37th assy., loc., p. 229)

LAWRENCE exchanged small areas with GALLIA. (Ohio Laws 1839, 38th assy., loc., p. 46)

LENAWEE (Mich.) created by Michigan Territory from MONROE (Mich.); included part of the disputed strip west of Lake Erie that also was claimed by Ohio but controlled by Michigan. (Terr. Papers U.S., 11:311, 313)

LENAWEE (Mich.) lost to Ohio when the state of Michigan was created from Michigan Territory; boundary dispute with Ohio over the strip running from Indiana to Lake Erie was settled in favor of Ohio. (U.S. Stat., vol. 5, ch. 99 [1836], secs. 1-2/p. 49; ch. 117 [1836]/pp. 56-57; and ch. 6 [1837]/p.144; Van Zandt, 127)

LICKING created from FAIRFIELD. (Ohio Laws 1807, 6th assy., ch. 8, secs. 1-2, 7/pp. 21-24; Chase, 3:ch. 364, secs. 1-2, 7/pp. 2106-2107)

LICKING lost small area to FRANKLIN. (Ohio Laws 1816, 15th assy., ch. 53/p. 169; Chase, 3:ch. 410/p. 2123)

LICKING lost small area to PERRY. (Ohio Laws 1836, 35th assy., loc., p. 97)

LOGAN created from CHAMPAIGN. Part of CHAMPAIGN reverted to Non-County Area 9 and was attached to LOGAN for administrative and judicial purposes. (Ohio Laws 1817, 16th assy., ch. 20, secs. 1, 7/pp. 53, 55; Chase, 3:ch. 415/p. 2127)

LOGAN gained part of attached Non-County Area 9 and lost to creation of UNION. LOGAN lost the remainder of attached Non-County Area 9 to creation of ALLEN, CRAWFORD, HANCOCK, HARDIN, HENRY, PUTNAM, SANDUSKY, SENECA, UNION, and WOOD. HARDIN not fully organized, attached to LOGAN for administrative and judicial purposes. (Ohio Laws 1819, 18th assy., loc., chs. 16, 37/pp. 56, 58, 90-92; Chase, 3:chs. 428-429/pp. 2133-2135)

Boundary between LOGAN and UNION was clarified [no change]. (Ohio Laws 1823, 22d assy., loc., ch. 5/p. 7; Chase, 3:ch. 438/p. 2136)

HARDIN fully organized, detached from LOGAN. (Ohio Laws 1832, 31st assy., gen., p. 10; Chase, 3:ch. 479/p. 2147)

Boundary between LOGAN and HARDIN was clarified [no change]. (Ohio Laws 1883, 65th assy., adj. sess., p. 341)

LOGAN exchanged small areas with SHELBY. (Ohio Laws 1883, 65th assy., adj. sess., p. 324)

Legislature authorized LOGAN to exchange with AUGLAIZE dependent on local referendum [local action unknown, no change]. (Ohio Laws 1886, 67th assy., reg. sess., p. 332)

Legislature authorized LOGAN to exchange with AUGLAIZE dependent on local referendum [local action unknown, no change]. (Ohio Laws 1887, 67th assy., adj. sess., p. 276)

LOGAN exchanged small areas with AUGLAIZE. (Ohio Laws 1888, 68th assy., reg. sess., p. 418)

LORAIN created from CUYAHOGA, HURON, and MEDINA; LORAIN not fully organized, parts attached to CUYAHOGA, HURON, and MEDINA for administrative and judicial purposes. (Ohio Laws 1822, 21st assy., loc., ch. 5/p. 5; Chase, 3:ch. 436/pp. 2135-2136)

LORAIN fully organized, detached from CUYAHOGA, HURON, and MEDINA. (Ohio Laws 1823, 22d assy., loc., ch. 12/p. 12; Chase, 3:ch. 439/pp. 2136-2137)

LORAIN gained from MEDINA, lost to CUYAHOGA. LORAIN gained non-county area over the waters of Lake Erie as its limits were extended to the northern boundary of Ohio [not mapped]. (Ohio Laws 1826, 25th assy., gen., pp. 99, 111; Chase, 3:chs. 456, 458/pp. 2142-2143)

Northern boundary of LORAIN was redefined to match the northern limit of Ohio in Lake Erie [no change]. (Ohio Laws 1834, 33d assy., loc., secs. 1, 3-5/pp. 92-93)

LORAIN lost to MEDINA. (Ohio Laws 1839, 38th assy., loc., p. 88)

LORAIN lost to creation of ASHLAND. (Ohio Laws 1845, 44th assy., loc., secs. 1-2/pp. 172-173)

LUCAS created from HENRY and WOOD; LUCAS overlapped part of the area disputed with Michigan Territory since 1805 that was actually under Michigan control. (Ohio Laws 1835, 33d assy., 2d sess., sec. 1/p. 5)

LUCAS gained from WOOD. (Ohio Laws 1835, 34th assy., loc., p. 470)

The state of Michigan was created from Michigan Territory. The boundary dispute with Ohio over the strip running from Indiana to Lake Erie was settled in favor of Ohio; confirmed jurisdiction of LUCAS over the territory along the Michigan-Ohio line. (U.S. Stat., vol. 5, ch. 99 [1836], secs. 1-2/p. 49; ch. 117 [1836]/pp. 56-57; and ch. 6 [1837]/p.144; Van Zandt, 127)

LUCAS lost to creation of OTTAWA. (Ohio Laws 1839, 38th assy., loc., p. 99)

LUCAS gained from OTTAWA, lost to creation of FULTON. (Ohio Laws 1849, 48th assy., loc., p. 682)

MADISON created from FRANKLIN. (Ohio Laws 1809, 8th assy., ch. 67/p. 248; Chase, 3:ch. 385/p. 2114)

MADISON gained from CHAMPAIGN, lost to creation of CLARK. (Ohio Laws 1817, 16th assy., chs. 14, 33/pp. 33, 36, 75; Chase, 3:chs. 413, 418/pp. 2125-2126, 2129)

MADISON gained from FRANKLIN, lost to creation of UNION. (Ohio Laws 1819, 18th assy., loc., ch. 16, secs. 1, 8-9/pp. 56, 58; Chase, 3:ch. 428/p. 2133)

Boundary between MADISON and UNION was clarified [no change]. (Ohio Laws 1820, 19th assy., ch. 44/p. 73; Chase, 3:ch. 431/p. 2135)

MADISON exchanged with CLARK. (Ohio Laws 1826, 25th assy., gen., p. 24; Chase, 3:ch. 455/pp. 2141-2142)

Boundary between MADISON and UNION was clarified [no change]. (Ohio Laws 1826, 25th assy., gen., p. 99; Chase, 3:ch. 457/pp. 2142-2143)

MADISON exchanged with FRANKLIN. (Ohio Laws 1844, 43d assy., loc., p. 196)

Legislature authorized FRANKLIN to gain from MADISON dependent on local referendum [local action unknown, no change]. (Ohio Laws 1857, 52d assy., 2d sess., p. 260)

MAHONING created from COLUMBIANA and TRUMBULL. (Ohio Laws 1845, 44th assy., loc., p. 116)

MARION created from Non-County Area 5 attached to DELAWARE; MARION not fully organized, attached to DELAWARE for administrative and judicial purposes. (Ohio Laws 1819, 18th assy., loc., ch. 37, secs. 1-2/p. 91; Chase, 3:ch. 429/pp. 2134-2135)

MARION fully organized, detached from DELAWARE. CRAWFORD detached from DELAWARE, attached to MARION "for judicial purposes." (Ohio Laws 1823, 22d assy., loc., ch. 33/p. 48; Chase, 3:ch. 441/p. 2137)

CRAWFORD fully organized, detached from MARION. (Ohio Laws 1825, 24th assy., gen., p. 46; Chase, 3:ch. 450/pp. 2140-2141)

MARION lost to creation of WYANDOT and lost to CRAWFORD. (Ohio Laws 1844, 43d assy., loc., secs. 1-2, 4/pp. 61-62)

MARION gained from DELAWARE, lost to creation of MORROW. (Ohio Laws 1847, 46th assy., loc., secs. 1, 4/pp. 233-234)

MEDINA created from Non-County Area 4 attached to PORTAGE; MEDINA not fully organized, attached to PORTAGE for administrative and judicial purposes. (Ohio Laws 1811, 10th assy., ch. 46/p. 122; Chase, 3:ch. 391/pp. 2115-2116)

MEDINA fully organized, detached from PORTAGE. (Ohio Laws 1817, 16th assy., ch. 30/p. 69; Chase, 3:ch. 417/pp. 2128-2129)

MEDINA lost to creation of LORAIN; LORAIN not fully organized, part attached to MEDINA for administrative and judicial purposes. (Ohio Laws 1822, 21st assy., loc., ch. 5/p. 5; Chase, 3:ch. 436/pp. 2135-2136)

LORAIN fully organized, detached from MEDINA. (Ohio Laws 1823, 22d assy., loc., ch. 12/p. 12; Chase, 3:ch. 439/pp. 2136-2137)

MEDINA lost to LORAIN and PORTAGE. (Ohio Laws 1826, 25th assy., gen., p. 111; Chase, 3:ch. 458/p. 2143)

MEDINA gained from LORAIN, lost to creation of SUMMIT; SUMMIT not fully organized, part attached to MEDINA for administrative and judicial purposes. (Ohio Laws 1839, 38th assy., loc., p. 88)

SUMMIT fully organized, detached from MEDINA. (Ohio Laws 1839, 38th assy., loc., p. 150)

MEIGS created from ATHENS and GALLIA. (Ohio Laws 1818, 17th assy., ch. 25, secs. 1, 6/pp. 40, 43; Chase, 3:ch. 423/pp. 2131-2132)

MERCER created from Non-County Area 6 attached to DARKE and Non-County Area 7 attached to SHELBY; MERCER not fully organized, attached to DARKE for administrative and judicial purposes. (Ohio Laws 1819, 18th assy., loc., ch. 37, secs. 1-2/pp. 90-91; Chase, 3:ch. 429/pp. 2134-2135)

MERCER fully organized, detached from DARKE. VAN WERT detached from DARKE, attached to MERCER "for judicial purposes." (Ohio Laws 1823, 22d assy., loc., ch. 35/p. 49; Chase, 3:ch. 443/p. 2138)

MERCER gained from SHELBY. (Ohio Laws 1825, 24th assy., loc., p. 62; Chase, 3:ch. 453/p. 2141)

ALLEN detached from SHELBY, attached to MERCER "for judicial and other purposes." (Ohio Laws 1827, 26th assy., gen., p. 3; Chase, 3:ch. 460/pp. 2143-2144)

ALLEN fully organized, detached from MERCER. (Ohio Laws 1830, 29th assy., loc., p. 94; Chase, 3:ch. 470/p. 2145)

VAN WERT fully organized, detached from MERCER. (Ohio Laws 1836, 35th assy., loc., p. 273)

MERCER exchanged with DARKE, lost to creation of AUGLAIZE, and lost to ALLEN and VAN WERT. (Ohio Laws 1847, 46th assy., loc., secs. 1-4, 7/pp. 128-129)

MIAMI created from MONTGOMERY. (Ohio Laws 1806, 5th assy., ch. 32, secs. 1-2, 5/pp. 94-96; Chase, 3:ch. 357/p. 2104)

MIAMI lost to creation of DARKE; DARKE not fully organized, attached to MIAMI for administrative and judicial purposes. (Ohio Laws 1808, 7th assy., ch. 6/p. 69; Chase, 3:ch. 373/p. 2110)

Part of MONTGOMERY lying north of the Indian Boundary reverted to Non-County Area 6 attached to DARKE and Non-County Area 7 attached to MIAMI. Non-County Area 6 attached to DARKE was attached indirectly through DARKE to MIAMI. Attachments were for administrative and judicial purposes. (Ohio Laws 1811, 10th assy., ch. 13/p. 22; Chase, 3:ch. 390/p. 2115)

DARKE fully organized, detached fron MIAMI. (Ohio Laws 1816, 15th assy., ch. 4/p. 5; Chase, 3:ch. 406/p. 2122)

MIAMI lost to creation of SHELBY; Non-County Area 7 detached from MIAMI, attached to SHELBY for administrative and judicial purposes. (Ohio Laws 1818, 17th assy., ch. 12, secs. 1, 7/pp. 21-23; Chase, 3:ch. 422/pp. 2130-2131)

MONROE created from BELMONT, GUERNSEY, and WASHINGTON; MONROE not fully organized, parts attached to BELMONT, GUERNSEY, and WASHINGTON for administrative and judicial purposes. (Ohio Laws 1812, 11th assy., ch. 25/p. 57; Chase, 3:ch. 396/p. 2117)

MONROE gained from WASHINGTON; MONROE fully organized, detached from BELMONT, GUERNSEY, and WASHINGTON. (Ohio Laws 1814, 13th assy., ch. 36, secs. 1, 2, 6/pp. 128-129; Chase, 3:ch. 402/pp. 2120-2121)

MONROE gained from MORGAN. (Ohio Laws 1819, 18th assy., loc., ch. 3/p. 4; Chase, 3:ch. 427/p. 2132)

MONROE gained from WASHINGTON, lost to creation of NOBLE. (Ohio Laws 1850, 49th assy., loc., secs. 1-2, 4, 10/pp. 137-139)

MONROE (Mich.) created by Michigan Territory from WAYNE (Mich.); included part of the disputed strip west of Lake Erie that also was claimed by Ohio but controlled by Michigan. (Terr. Papers U.S., 10:729)

MONROE (Mich.) lost to creation of LENAWEE (Mich.) and WASHTENAW (Mich.), and lost to WAYNE (Mich.). (Terr. Papers U.S., 11:311, 313)

MONROE (Mich.) lost to Ohio when the state of Michigan was created from Michigan Territory. The boundary dispute with Ohio over the strip running from Indiana to Lake Erie was settled in favor of Ohio. (U.S. Stat., vol. 5, ch. 99 [1836], secs. 1-2/p. 49; ch. 117 [1836]/pp. 56-57; and ch. 6 [1837]/p.144; Van Zandt, 127)

MONTGOMERY created from HAMILTON and Non-County Area 1. (Ohio Laws 1803, 1st assy., ch. 4, secs. 1-4, 8/pp. 9-12; Chase, 3:ch. 345/pp. 2099-2100)

MONTGOMERY lost to creation of MIAMI [MONTGOMERY was separated into two parts by this creation]. (Ohio Laws 1806, 5th assy., ch. 32, secs. 1-2, 5/pp. 94-96; Chase, 3:ch. 357/p. 2104)

MONTGOMERY lost to creation of PREBLE. (Ohio Laws 1807, 6th assy., ch. 51, secs. 1-2, 5/pp. 164-166; Chase, 3:ch. 369/p. 2109)

That part of MONTGOMERY lying north of the Indian Boundary reverted to Non-County Area 6 attached to DARKE and Non-County Area 7 attached to MIAMI. Attachments were for administrative and judicial purposes. (Ohio Laws 1811, 10th assy., ch. 13/p. 22; Chase, 3:ch. 390/p. 2115)

MORGAN created from GUERNSEY, MUSKINGUM, and WASHINGTON; MORGAN not fully organized, parts attached to GUERNSEY, MUSKINGUM, and WASHINGTON for administrative and judicial purposes. (Ohio Laws 1817, 16th assy., ch. 18/p. 42; Chase, 3:ch. 414/p. 2126)

MORGAN fully organized, detached from GUERNSEY, MUSKINGUM, and WASHINGTON. (Ohio Laws 1818, 17th assy., ch. 6, secs. 1, 4/pp. 7-9; Chase, 3:ch. 421/pp. 2129-2130)

MORGAN lost to MONROE. (Ohio Laws 1819, 18th assy., loc., ch. 3/p. 4; Chase, 3:ch. 427/p. 2132)

MORGAN gained from ATHENS and WASHINGTON [section 11 in township 8, range 12 apparently remained part of WASHINGTON; corrected 1 April 1851]. (Ohio Laws 1844, 43d assy., loc., p. 360)

MORGAN gained from WASHINGTON. (Ohio Laws 1845, 44th assy., loc., p. 105)

MORGAN gained from WASHINGTON, including section 11, township 8, range 12, which had been left with WASHINGTON on 11 March 1845; MORGAN lost to creation of NOBLE. (Ohio Laws 1850, 49th assy., loc., secs. 1-2, 4, 10/pp. 137-139)

MORROW created from CRAWFORD, DELAWARE, KNOX, MARION, and RICHLAND. (Ohio Laws 1847, 46th assy., loc., secs. 1, 4/pp. 233-234)

MORROW lost small area to RICHLAND. (Ohio Laws 1848, 47th assy., loc., p. 362)

MUSKINGUM created from FAIRFIELD, WASHINGTON, and a small piece of COLUMBIANA. (Ohio Laws 1803, 2d assy., ch. 6, secs. 1-4/pp. 68-70; Chase, 3:ch. 349/p. 2101)

MUSKINGUM lost to creation of TUSCARAWAS. (Ohio Laws 1807, 6th assy., ch. 50/p. 163; Chase 3:ch. 368/pp. 2108-2109)

MUSKINGUM lost to creation of COSHOCTON and GUERNSEY; COSHOCTON not fully organized, attached to MUSKINGUM for administrative and judicial purposes. (Ohio Laws 1809, 8th assy., ch. 26, secs. 1-2, 4/pp. 81-83 and ch. 20, secs. 1-2, 4/pp. 65-67; Chase, 3:chs. 380-381/pp. 2112-2113)

COSHOCTON fully organized, detached from MUSKINGUM. (Ohio Laws 1810, 9th assy., ch. 17/p. 32; Chase, 3:ch. 387/p. 2115)

MUSKINGUM lost to creation of MORGAN; MORGAN not fully organized, part attached to MUSKINGUM for administrative and judicial purposes. (Ohio Laws 1817, 16th assy., ch. 18/p. 42; Chase, 3:ch. 414/p. 2126)

MUSKINGUM lost to creation of PERRY. (Ohio Laws 1817, 16th assy., ch. 11, secs. 1, 5/pp. 26, 29; Chase, 3:ch. 411/p. 2124)

MORGAN fully organized, detached from MUSKINGUM. (Ohio Laws 1818, 17th assy., ch. 6, secs. 1, 4/pp. 7-9; Chase, 3:ch. 421/pp. 2129-2130)

NOBLE created from GUERNSEY, MONROE, MORGAN, and WASHINGTON. (Ohio Laws 1850, 49th assy., loc., secs. 1-2, 4, 10/pp. 137-139)

Non-County Area 1 created from KNOX (Ind.) and WAYNE (Northwest Territory, extinct). (Ind. Terr., Exec. Journal, 114-115; Pence and Armstrong, 218; U.S. Stat., vol. 2, ch. 40 [1802], secs. 1-3/pp. 173-174; Van Zandt, 112)

Non-County Area 1 lost to creation of FRANKLIN and to creation of Non-County Area 2. (Ohio Laws 1803, 1st assy., ch. 11/p. 26; Chase, 3:ch. 348/p. 2101)

Non-County Area 1 lost to creation of GREENE and MONTGOMERY; Non-County Area 1 eliminated. (Ohio Laws 1803, 1st assy., ch. 4, secs. 1-4, 8/pp. 9-12; Chase, 3:ch. 345/pp. 2099-2100)

Non-County Area 2 created from Non-County Area 1. (Ohio Laws 1803, 1st assy., ch. 11/p. 26; Chase, 3:ch. 348/p. 2101)

Non-County Area 2 lost to creation of STARK and WAYNE. (Ohio Laws 1807, 6th assy., ch. 46/p. 154; Chase, 3:ch. 367/p. 2108)

Non-County Area 2 lost to creation of KNOX and RICHLAND; Non-County Area 2 eliminated. (Ohio Laws 1807, 6th assy., ch. 8, secs. 1-2, 7/pp. 21-24; Chase, 3:ch. 364, secs. 1-2, 7/pp. 2106-2107)

Part of TRUMBULL reverted to Non-County Area 3 and was attached to GEAUGA for administrative and judicial purposes. (Ohio Laws 1807, 6th assy., ch. 1, secs.1, 3, 5-7/pp. 3-5; Chase, 3:ch. 362/p. 2105)

Part of Non-County Area 3 attached to GEAUGA lost to creation of HURON. (Ohio Laws 1808, 7th assy., ch. 48/p. 194; Chase, 3:ch. 377/pp. 2110-2111)

Non-County Area 3 detached from GEAUGA, attached to CUYAHOGA for administrative and judicial purposes. (Ohio Laws 1809, 8th assy., ch. 11/p. 34; Chase, 3:ch. 378/p. 2111)

CUYAHOGA and HURON gained all of Non-County Area 3 attached to CUYAHOGA; Non-County Area 3 eliminated. (Ohio Laws 1810, 9th assy., ch. 14/p. 27; Chase 3:ch. 386/p. 2114)

Part of TRUMBULL reverted to Non-County Area 4 and was attached to PORTAGE for administrative and judicial purposes. (Ohio Laws 1807, 6th assy., ch. 1, secs.1, 3, 5-7/pp. 3-5; Chase, 3:ch. 362/p. 2105)

Part of Non-County Area 4 attached to PORTAGE lost to creation of HURON. (Ohio Laws 1808, 7th assy., ch. 48/p. 194; Chase, 3:ch. 377/pp. 2110-2111)

Non-County Area 4 exchanged with PORTAGE; Non-County Area 4 remained attached to PORTAGE. (Ohio Laws 1810, 9th assy., ch. 14/p. 27; Chase 3:ch. 386/p. 2114)

Non-County Area 4 attached to PORTAGE lost all territory to creation of MEDINA; Non-County Area 4 eliminated. (Ohio Laws 1811, 10th assy., ch. 46/p. 122; Chase, 3:ch. 391/pp. 2115-2116)

Northern part of FRANKLIN reverted to Non-County Area 5 and was attached to DELAWARE for administrative and judicial purposes. (Ohio Laws 1808, 7th assy., ch. 27/p. 156; Chase, 3:ch. 376/p. 2110)

Non-County Area 5 lost to creation of Non-County Area 8; Non-County Area 5 remained attached to DELAWARE. (Ohio Laws 1814, 13th assy., ch. 33/p. 113; Chase, 3:ch. 401/p. 2120)

Non-County Area 5 attached to DELAWARE lost all territory to creation of CRAWFORD, HANCOCK, HARDIN, MARION, and UNION; Non-County Area 5 eliminated. (Ohio Laws 1819, 18th assy., loc., chs. 16, 37/pp. 56-58, 90-91; Chase, 3:chs. 428-429/pp. 2133-2135)

Part of MONTGOMERY lying north of the Indian Boundary reverted to Non-County Area 6 and was attached to DARKE, and indirectly through DARKE to MIAMI, for administrative and judicial purposes. (Ohio Laws 1811, 10th assy., ch. 13/p. 22; Chase, 3:ch. 390/p. 2115)

Non-County Area 6 attached directly to DARKE for administrative and judicial purposes when DARKE became fully organized. (Ohio Laws 1816, 15th assy., ch. 4/p. 5; Chase, 3:ch. 406/p. 2122)

Non-County Area 6 attached to DARKE lost all territory to creation of MERCER, PAULDING, VAN WERT, and WILLIAMS; Non-County Area 6 eliminated. (Ohio Laws 1819, 18th assy., loc., ch. 16, secs. 1, 8-9/pp. 56, 58; ch. 37/pp. 90-92; Chase, 3:ch. 428-429/pp. 2133-2135)

Part of MONTGOMERY lying north of the Indian Boundary reverted to Non-County Area 7 and was attached to MIAMI for administrative and judicial purposes. (Ohio Laws 1811, 10th assy., ch. 13/p. 22; Chase, 3:ch. 390/p. 2115)

Non-County Area 7 attached to MIAMI lost to creation of SHELBY; remainder of Non-County Area 7 detached from MIAMI, attached to SHELBY for administrative and judicial purposes. (Ohio Laws 1818, 17th assy., ch. 12, secs. 1, 7/pp. 21-23; Chase, 3:ch. 422/pp. 2130-2131)

Non-County Area 7 attached to SHELBY lost all territory to creation of ALLEN, HENRY, MERCER, PAULDING, PUTNAM, VAN WERT, and WILLIAMS; Non-County Area 7 eliminated. (Ohio Laws 1819, 18th assy., loc., ch. 37/ pp. 90-92; Chase, 3:ch. 429/pp. 2134-2135)

Non-County Area 8 created from Non-County Area 5; Non-County Area 8 detached from DELAWARE, attached to HURON "for judicial purposes." (Ohio Laws 1814, 13th assy., ch. 33/p. 113; Chase, 3:ch. 401/p. 2120)

Non-County Area 8 attached to HURON lost all territory to creation of SANDUSKY and SENECA; Non-County Area 8 eliminated. (Ohio Laws 1819, 18th assy., loc., ch. 37/pp. 91-92; Chase, 3:ch. 429/pp. 2134-2135)

Non-County Area 9 created from part of CHAMPAIGN; Non-County Area 9 attached to LOGAN for administrative and judicial purposes. (Ohio Laws 1817, 16th assy., ch. 20, secs. 1, 7/pp. 53, 55; Chase, 3:ch. 415/p. 2127)

Non-County Area 9 attached to LOGAN lost to LOGAN, and lost to creation of ALLEN, CRAWFORD, HANCOCK, HARDIN, HENRY, PUTNAM, SANDUSKY, SENECA, UNION, and WOOD; Non-County Area 9 eliminated. (Ohio Laws 1820, 18th assy., loc., chs. 16, 37/pp. 56-59, 90-92; Chase, 3:chs. 428-429/pp. 2133-2135)

The United States created the Territory of the United States Northwest of the River Ohio (Northwest Territory) from unorganized federal territory, to govern all territory west of Pennsylvania, north of the Ohio River, and east of the Mississippi River, to which states had ceded their colonial charter claims. Connecticut retained the Western Reserve in present Ohio. Map depicts non-county area of the Northwest Territory in present Ohio. (Terr. Papers U.S., 2:22-24, 39-50)

Non-county area in the Northwest Territory lost to the creation of WASHINGTON. Map depicts non-county area of the Northwest Territory in present Ohio. (Terr. Papers U.S., 3:278-279; Chase, 3:ch. 330/p. 2096; Cappon, Petchenik, and Long, 92)

Non-county area in the Northwest Territory lost to the creation of HAMILTON. Map depicts non-county area of the Northwest Territory in present Ohio. (Terr. Papers U.S., 3:294-295; Chase, 3:ch. 331/p. 2096)

Non-county area in the Northwest Territory lost to the creation of KNOX (Ind.). Map depicts non-county area of the Northwest Territory in present Ohio. (Terr. Papers U.S., 3:313)

Non-county area in the Northwest Territory lost to HAMILTON. Map depicts non-county area of the Northwest Territory in present Ohio. (Terr. Papers U.S., 3:363-364)

Non-county area in the Northwest Territory lost to the creation of WAYNE (Northwest Territory, extinct). All non-county area in present Ohio eliminated. (Terr. Papers U.S., 2:567-568, 3:447; Chase, 3:ch. 332/p. 2096)

OTTAWA created from ERIE, LUCAS, and SANDUSKY. (Ohio Laws 1839, 38th assy., loc., p. 99)

OTTAWA lost to SANDUSKY. (Ohio Laws 1839, 38th assy., loc., p. 201)

OTTAWA lost Kelley's Island to ERIE. (Ohio Laws 1844, 43d assy., loc., p. 300)

OTTAWA lost to LUCAS. (Ohio Laws 1849, 48th assy., loc., p. 682)

An overlap area was created when WAYNE (Indiana Territory, extinct) was created, overlapping part of the state of Ohio. (Ind. Terr., Exec. Journal, 114-115; Pence and Armstrong, 218; U.S. Stat., vol. 2, ch. 40 [1802], secs. 1-3/pp. 173-174; Van Zandt, 112)

Overlap between Ohio and Indiana Territory ended when WAYNE (Indiana Territory) was eliminated upon the creation of Michigan Territory. (Terr. Papers U.S., 10:5-7; U.S. Stat., vol. 2, ch. 5 [1805]/pp. 309-310)

Mistake in description of the boundary between CUYAHOGA and HURON created an overlap between the counties; corrected 18 February 1812. (Ohio Laws 1810, 9th assy., ch. 14/p. 27; Chase 3:ch. 386/p. 2114)

HURON gained the area overlapped with CUYAHOGA, ending dispute dating from 22 January 1811. (Ohio Laws 1811, 10th assy., ch. 46/p. 122; Chase, 3:ch. 391/pp. 2115-2116)

PAULDING created from Non-County Area 6 attached to DARKE and Non-County Area 7 attached to SHELBY; PAULDING not fully organized, attached to WOOD for administrative and judicial purposes. (Ohio Laws 1819, 18th assy., loc., ch. 37, secs. 1-2/pp. 91-92; Chase, 3:ch. 429/pp. 2134-2135)

PAULDING detached from WOOD, attached to WILLIAMS "for judicial purposes." (Ohio Laws 1823, 22d assy., loc., ch. 16/p. 19; Chase, 3:ch. 440/p. 2137)

PAULDING fully organized, detached from WILLIAMS. (Ohio Laws 1838, 37th assy., loc., p. 385)

PAULDING lost to creation of DEFIANCE. (Ohio Laws 1844, 43d assy., loc., sec. 1/p. 191)

PERRY created from FAIRFIELD, MUSKINGUM, and WASHINGTON. (Ohio Laws 1817, 16th assy., ch. 11, secs. 1, 5/pp. 26, 29; Chase, 3:ch. 411/p. 2124)

PERRY gained small area from LICKING. (Ohio Laws 1836, 35th assy., loc., p. 97)

PICKAWAY created from FAIRFIELD, FRANKLIN, and ROSS. (Ohio Laws 1809, 8th assy., ch. 13/p. 41; Chase, 3:ch. 379/p. 2111)

PICKAWAY lost small area in the town of Adelphi to ROSS. (Ohio Laws 1842, 41st assy., loc., p. 129)

PIKE created from ADAMS, ROSS, and SCIOTO. (Ohio Laws 1814, 13th assy., ch. 16, secs. 1, 6/pp. 52, 55; Chase 3:ch. 399/pp. 2118-2119)

PIKE exchanged with JACKSON. (Ohio Laws 1842, 41st assy., loc., p. 55)

PORTAGE created from TRUMBULL. Part of TRUMBULL reverted to Non-County Area 4 and was attached to PORTAGE for administrative and judicial purposes. (Ohio Laws 1807, 6th assy., ch. 1, secs.1, 3, 5-7/pp. 3-5; Chase, 3:ch. 362/p. 2105)

PORTAGE lost part of attached Non-County Area 4 to creation of HURON; HURON not fully organized, part attached to PORTAGE for administrative and judicial purposes. (Ohio Laws 1808, 7th assy., ch. 48/p. 194; Chase, 3:ch. 377/pp. 2110-2111)

HURON detached from PORTAGE, attached to CUYAHOGA for administrative and judicial purposes. (Ohio Laws 1809, 8th assy., ch. 11/p. 34; Chase, 3:ch. 378/p. 2111)

PORTAGE exchanged with attached Non-County Area 4; Non-County Area 4 remained attached to PORTAGE. (Ohio Laws 1810, 9th assy., ch. 14/p. 27; Chase 3:ch. 386/p. 2114)

PORTAGE lost attached Non-County Area 4 to creation of MEDINA; MEDINA not fully organized, attached to PORTAGE for administrative and judicial purposes. (Ohio Laws 1811, 10th assy., ch. 46/p. 122; Chase, 3:ch. 391/pp. 2115-2116)

MEDINA fully organized, detached from PORTAGE. (Ohio Laws 1817, 16th assy., ch. 30/p. 69; Chase, 3:ch. 417/pp. 2128-2129)

PORTAGE gained small area from MEDINA. (Ohio Laws 1826, 25th assy., gen., p. 111; Chase, 3:ch. 458/p. 2143)

PORTAGE lost to creation of SUMMIT; SUMMIT not fully organized, part attached to PORTAGE for administrative and judicial purposes. (Ohio Laws 1839, 38th assy., loc., p. 88)

SUMMIT fully organized, detached from PORTAGE. (Ohio Laws 1839, 38th assy., loc., p. 150)

PREBLE created from BUTLER and MONTGOMERY. (Ohio Laws 1807, 6th assy., ch. 51, secs. 1-2, 5/pp. 164-166; Chase, 3:ch. 369/p. 2109)

PUTNAM created from Non-County Area 9 attached to LOGAN and Non-County Area 7 attached to SHELBY; PUTNAM not fully organized, attached to WOOD for administrative and judicial purposes. (Ohio Laws 1819, 18th assy., loc., ch. 37, secs. 1-2/pp. 90-91; Chase, 3:ch. 429/pp. 2134-2135)

PUTNAM detached from WOOD, attached to WILLIAMS "for judicial purposes." (Ohio Laws 1823, 22d assy., loc., ch. 16/p. 19; Chase, 3:ch. 440/p. 2137)

PUTNAM fully organized, detached from WILLIAMS. (Ohio Laws 1833, 32d assy., loc., secs. 1, 13/pp. 19, 21)

PUTNAM gained from VAN WERT, lost to ALLEN. (Ohio Laws 1847, 46th assy., loc., secs. 1-4, 7/pp. 128-129)

RICHLAND created from FRANKLIN and Non-County Area 2; RICHLAND not fully organized, attached to KNOX for administrative and judicial purposes. (Ohio Laws 1807, 6th assy., ch. 8, secs. 1-2, 7/pp. 21-24; Chase, 3:ch. 364, secs. 1-2, 7/pp. 2106-2107)

RICHLAND fully organized, detached from KNOX. (Ohio Laws 1812, 11th assy., ch. 9/p. 21; Chase, 3:ch. 394/p. 2117)

RICHLAND lost to CRAWFORD. (Ohio Laws 1844, 43d assy., loc., secs. 1-2/pp. 61-62)

RICHLAND lost to creation of ASHLAND. (Ohio Laws 1845, 44th assy., loc., secs. 1-2/pp. 172-173)

RICHLAND gained from ASHLAND. (Ohio Laws 1846, 45th assy., loc., p. 37)

RICHLAND lost to creation of MORROW. (Ohio Laws 1847, 46th assy., loc., secs. 1, 4/pp. 233-234)

RICHLAND gained small area from MORROW. (Ohio Laws 1848, 47th assy., loc., p. 362)

ROSS created by the Northwest Territory from ADAMS, HAMILTON, and WASHINGTON. (Terr. Papers U.S., 3:510; Chase, 3:ch. 336/p. 2097)

ROSS lost to creation of FAIRFIELD. (Terr. Papers U.S., 3:526; Chase, 3:ch. 340/pp. 2097-2098)

ROSS became a county in the state of Ohio. (U.S. Stat., vol. 2, ch. 40 [1802], secs. 1-3/pp. 173-174; Van Zandt, 112)

ROSS lost to creation of FRANKLIN. (Ohio Laws 1803, 1st assy., ch. 11/p. 26; Chase, 3:ch. 348/p. 2101)

ROSS lost to creation of GREENE. (Ohio Laws 1803, 1st assy., ch. 4, secs. 1-4, 8/pp. 9-12; Chase, 3:ch. 345/pp. 2099-2100)

ROSS lost to creation of HIGHLAND. (Ohio Laws 1804, 3d assy., ch. 60, sec. 1/p. 256; Chase, 3: ch. 350/p. 2102)

ROSS lost to creation of FAYETTE and PICKAWAY. (Ohio Laws 1809, 8th assy., ch. 13/p. 41 and ch. 39, secs. 1-2/pp. 138-139; Chase, 3:ch. 379/p. 2111 and ch. 382/p. 2113)

ROSS lost to creation of PIKE. (Ohio Laws 1814, 13th assy., ch. 16, secs. 1, 6/pp. 52, 55; Chase 3:ch. 399/pp. 2118-2119)

ROSS lost to creation of JACKSON. (Ohio Laws 1815, 14th assy., ch. 25, secs. 1, 5/pp. 112, 115; Chase, 3:ch. 404/pp. 2121-2122)

ROSS lost to creation of HOCKING and lost to JACKSON. (Ohio Laws 1817, 16th assy., ch. 24, secs. 1, 6/pp. 60, 62; Chase, 3:ch. 416/pp. 2127-2128)

ROSS gained from HOCKING. (Ohio Laws 1833, 32d assy., loc., p. 240)

ROSS gained small area from JACKSON. (Ohio Laws 1838, 37th assy., loc., p. 18)

ROSS gained small area from PICKAWAY in the town of Adelphi. (Ohio Laws 1842, 41st assy., loc., p. 129)

ROSS lost to creation of VINTON. (Ohio Laws 1849, 48th assy., loc., secs. 1-3, 6/pp. 684-685)

SANDUSKY created from Non-County Area 8 attached to HURON and Non-County Area 9 attached to LOGAN; SANDUSKY overlapped part of the area disputed with Michigan Territory since 1805 that was actually under Michigan control. SENECA attached to SANDUSKY for administrative and judicial purposes. (Ohio Laws 1819, 18th assy., loc., ch. 37, secs. 1, 3/pp. 91-92; Chase, 3:ch. 429/pp. 2134-2135)

SENECA fully organized, detached from SANDUSKY. (Ohio Laws 1823, 22d assy., loc., chs. 34, 55/pp. 49, 88; Chase, 3:chs. 442, 445/pp. 2137-2139)

SANDUSKY lost to WOOD. Northern boundary of SANDUSKY redefined to match the northern limit of Ohio in Lake Erie [no change]. (Ohio Laws 1834, 33d assy., loc., secs. 1, 3-5/pp. 92-93)

SANDUSKY lost to creation of ERIE. (Ohio Laws 1837, 36th assy., gen., pp. 60, 66)

SANDUSKY lost to creation of OTTAWA. (Ohio Laws 1839, 38th assy., loc., p. 99)

SANDUSKY gained from OTTAWA. (Ohio Laws 1839, 38th assy., loc., p. 201)

SCIOTO created from ADAMS. (Ohio Laws 1803, 1st assy., ch. 3/p. 8; Chase, 3:ch. 344/p. 2099)

SCIOTO gained from GALLIA. (Ohio Laws 1804, 3d assy., ch. 74/p. 294; Chase, 3:ch. 354/p. 2103)

SCIOTO lost to creation of PIKE. (Ohio Laws 1814, 13th assy., ch. 16, secs. 1, 6/pp. 52, 55; Chase 3:ch. 399/pp. 2118-2119)

SCIOTO lost to creation of LAWRENCE; LAWRENCE not fully organized, part attached to SCIOTO for administrative and judicial purposes. (Ohio Laws 1815, 14th assy., ch. 8/p. 22; Chase, 3:ch. 403/p. 2121)

SCIOTO lost to creation of JACKSON. (Ohio Laws 1815, 14th assy., ch. 25, secs. 1, 5/pp. 112, 115; Chase, 3:ch. 404/pp. 2121-2122)

SCIOTO lost small area to LAWRENCE; LAWRENCE fully organized, detached from SCIOTO. (Ohio Laws 1816, 15th assy., ch. 6/p. 6; Chase, 3:ch. 407/p. 2123)

SCIOTO gained from LAWRENCE. (Ohio Laws 1817, 16th assy., ch. 34/p. 77; Chase 3:ch. 419/p. 2129)

SCIOTO gained from LAWRENCE. (Ohio Laws 1825, 24th assy., gen., p. 76; Chase, 3:ch. 451/p. 2141)

SENECA created from Non-County Area 8 attached to HURON and Non-County Area 9 attached to LOGAN; SENECA not fully organized, attached to SANDUSKY for administrative and judicial purposes. (Ohio Laws 1819, 18th assy., loc., ch. 37, secs. 1-2/pp. 91-92; Chase, 3:ch. 429/pp. 2134-2135)

SENECA fully organized, detached from SANDUSKY; part of CRAWFORD detached from DELAWARE, attached to SENECA "for judicial purposes." (Ohio Laws 1823, 22d assy., loc., chs. 34, 55/pp. 49, 88; Chase, 3:chs. 442, 445/pp. 2137-2139)

CRAWFORD fully organized, detached from SENECA. (Ohio Laws 1825, 24th assy., gen., p. 46; Chase, 3:ch. 450/pp. 2140-2141)

SHELBY created from MIAMI and Non-County Area 7 attached to MIAMI; Non-County Area 7 detached from MIAMI, attached to SHELBY for administrative and judicial purposes. (Ohio Laws 1818, 17th assy., ch. 12, secs. 1, 7/pp. 21-23; Chase, 3:ch. 422/pp. 2130-2131)

SHELBY lost attached Non-County Area 7 to creation of ALLEN, HENRY, MERCER, PAULDING, PUTNAM, VAN WERT, and WILLIAMS. ALLEN not fully organized, attached to SHELBY for administrative and judicial purposes. (Ohio Laws 1819, 18th assy., loc., ch. 37/pp. 90-92; Chase, 3:ch. 429/pp. 2134-2135)

SHELBY lost to MERCER. (Ohio Laws 1825, 24th assy., loc., p. 62; Chase, 3:ch. 453/p. 2141)

ALLEN detached from SHELBY, attached to MERCER "for judicial and other purposes." (Ohio Laws 1827, 26th assy., gen., p. 3; Chase, 3:ch. 460/pp. 2143-2144)

SHELBY exchanged small areas with LOGAN. (Ohio Laws 1883, 65th assy., adj. sess., p. 324)

STARK created from COLUMBIANA and Non-County Area 2; STARK not fully organized, attached to COLUMBIANA for administrative and judicial purposes. (Ohio Laws 1807, 6th assy., ch. 46/p. 154; Chase, 3:ch. 367/p. 2108)

STARK fully organized, detached from COLUMBIANA. WAYNE detached from COLUMBIANA, attached to STARK for administrative and judicial purposes. (Ohio Laws 1807, 6th assy., ch. 46, secs. 2-3/pp. 154-155; Chase 3: ch. 367, secs. 2-3/p. 2108)

WAYNE fully organized, detached from STARK. (Ohio Laws 1811, 10th assy., ch. 10/p. 17; Chase, 3:ch. 389/p. 2115)

STARK lost to creation of CARROLL. (Ohio Laws 1832, 31st assy., gen., p. 8; Chase, 3:ch. 478/pp. 2146-2147)

Boundary between STARK and CARROLL was clarified [no change]. (Ohio Laws 1833, 32d assy., loc., p. 50)

STARK lost to creation of SUMMIT; SUMMIT not fully organized, part attached to STARK for administrative and judicial purposes. (Ohio Laws 1839, 38th assy., loc., p. 88)

SUMMIT fully organized, detached from STARK. (Ohio Laws 1839, 38th assy., loc., p. 150)

STARK lost small area to TUSCARAWAS. (Ohio Laws 1847, 46th assy., loc., p. 79)

SUMMIT created from MEDINA, PORTAGE, and STARK; SUMMIT not fully organized, parts attached to MEDINA, PORTAGE, and STARK for administrative and judicial purposes. (Ohio Laws 1839, 38th assy., loc., p. 88)

SUMMIT fully organized, detached from MEDINA, PORTAGE, and STARK. (Ohio Laws 1839, 38th assy., loc., p. 150)

TRUMBULL created by the Northwest Territory from JEFFERSON and WAYNE (Northwest Territory, extinct). (Terr. Papers U.S., 3:525; Chase, 3:ch. 338/p. 2097)

TRUMBULL became a county in the state of Ohio. (U.S. Stat., vol. 2, ch. 40 [1802], secs. 1-3/pp. 173-174; Van Zandt, 112)

TRUMBULL lost to creation of GEAUGA. (Ohio Laws 1805, 4th assy./p. 65; Chase, 3:ch. 356/pp. 2103-2104)

TRUMBULL lost to creation of ASHTABULA and PORTAGE; parts of TRUMBULL reverted to Non-County Area 3 that was attached to GEAUGA and Non-County Area 4 that was attached to PORTAGE. ASHTABULA not fully organized, part attached to TRUMBULL. All attachments were for administrative and judicial purposes. (Ohio Laws 1807, 6th assy., ch. 1, secs.1, 3, 5-7/pp. 3-5; Chase, 3:ch. 362/p. 2105)

TRUMBULL gained that part of ASHTABULA that was attached to TRUMBULL. (Ohio Laws 1808, 7th assy., ch. 19/p. 143; Chase, 3:ch. 375/p. 2110)

TRUMBULL lost to ASHTABULA. (Ohio Laws 1810, 9th assy., ch. 21/p. 42; Chase, 3:ch. 388/p. 2115)

TRUMBULL lost to creation of MAHONING. (Ohio Laws 1845, 44th assy., loc., p. 116)

TUSCARAWAS created from MUSKINGUM. (Ohio Laws 1807, 6th assy., ch. 50/p. 163; Chase 3:ch. 368/pp. 2108-2109)

TUSCARAWAS gained from JEFFERSON. (Ohio Laws 1808, 7th assy., ch. 18/p. 142; Chase, 3:ch. 374/p. 2110)

TUSCARAWAS lost to creation of COSHOCTON. (Ohio Laws 1809, 8th assy., ch. 26, secs. 1-2/pp. 81-82; Chase, 3:ch. 381/pp. 2112-2113)

TUSCARAWAS lost to creation of HARRISON. (Ohio Laws 1812, 11th assy., ch. 5., sec. 1/p. 11 and ch. 11/p. 26; Chase, 3:chs. 393, 395/pp. 2116-2117)

TUSCARAWAS lost to creation of HOLMES; HOLMES not fully organized, part attached to TUSCARAWAS for administrative and judicial purposes. (Ohio Laws 1823, 22d assy., loc., ch. 36/p. 50; Chase, 3:ch. 444/p. 2138)

HOLMES fully organized, detached from TUSCARAWAS. (Ohio Laws 1824, 23d assy., gen., sec. 1/p. 21; Chase, 3:ch. 447/pp. 2139-2140)

TUSCARAWAS lost to creation of CARROLL and lost to HARRISON. (Ohio Laws 1832, 31st assy., gen., p. 8; Chase, 3:ch. 478/pp. 2146-2147)

TUSCARAWAS gained small area from STARK. (Ohio Laws 1847, 46th assy., loc., p. 79)

UNION created from DELAWARE, FRANKLIN, LOGAN, MADISON, Non-County Area 5 attached to DELAWARE, and Non-County Area 9 attached to LOGAN. (Ohio Laws 1819, 18th assy., loc., ch. 16, secs. 1, 8-9/pp. 56, 58; Chase, 3:ch. 428/p. 2133)

Boundary between UNION and MADISON was clarified [no change]. (Ohio Laws 1820, 19th assy., ch. 44/p. 73; Chase, 3:ch. 431/p. 2135)

Boundary between UNION and LOGAN was clarified [no change]. (Ohio Laws 1823, 22d assy., loc., ch. 5/p. 7; Chase, 3:ch. 438/p. 2136)

Boundary between UNION and MADISON was clarified [no change]. (Ohio Laws 1826, 25th assy., gen., p. 99; Chase, 3:ch. 457/pp. 2142-2143)

Virginia ceded to the United States its charter claims to territory "northwestward of the river Ohio." All of present Ohio became unorganized federal territory although certain states still claimed parts of the western lands based on their colonial charters. (Cappon, Petchenik, and Long, 62, 130-131; Hening, 11:571-575)

The United States accepted Connecticut's cession of its claim to lands north and west of Pennsylvania and the Ohio River, except for a tract lying between 41 degrees and 42 degrees, 2 minutes north latitude (Connecticut's southern and northern limits) and extending 120 miles west of Pennsylvania. This tract was known as the Connecticut Western Reserve. (Terr. Papers U.S., 2:24 n. 62)

The United States created the Territory of the United States Northwest of the River Ohio (Northwest Territory) from unorganized federal territory.The Northwest Territory included all of present Ohio, although Connecticut retained the Western Reserve. (Terr. Papers U.S., 2:22-24, 39-50)

VAN WERT created from Non-County Area 6 attached to DARKE and Non-County Area 7 attached to SHELBY; VAN WERT not fully organized, attached to DARKE for administrative and judicial purposes. (Ohio Laws 1819, 18th assy., loc., ch. 37, secs. 1-2/pp. 90-91; Chase, 3:ch. 429/pp. 2134-2135)

VAN WERT detached from DARKE, attached to MERCER "for judicial purposes." (Ohio Laws 1823, 22d assy., loc., ch. 35/p. 49; Chase, 3:ch. 443/p. 2138)

VAN WERT fully organized, detached from MERCER. (Ohio Laws 1836, 35th assy., loc., p. 273)

VAN WERT gained from MERCER, lost to ALLEN and PUTNAM. (Ohio Laws 1847, 46th assy., loc., secs. 1-4, 7/pp. 128-129)

VINTON created from ATHENS, GALLIA, HOCKING, JACKSON, and ROSS. (Ohio Laws 1849, 48th assy., loc., secs. 1-3, 6/pp. 684-685)

WARREN created from HAMILTON. (Ohio Laws 1803, 1st assy., ch. 4, secs. 1-4, 8/pp. 9-12; Chase, 3:ch. 345/pp. 2099-2100)

WARREN lost to creation of CLINTON. (Ohio Laws 1809, 8th assy., ch. 63/p. 236; Chase, 3:ch. 384/pp. 2113-2114)

WARREN gained from BUTLER, lost to CLINTON. (Ohio Laws 1814, 13th assy., ch. 31, secs. 1, 2, 4, 5/pp. 109-112; Chase, 3:ch. 400/pp. 2119-2120)

Legislature authorized CLERMONT to gain small area from WARREN dependent on local referendum [local action unknown, no change]. (Ohio Laws 1859, 53d assy., 2d sess., loc., p. 296)

WASHINGTON created by the Northwest Territory from non-county area and part of the Western Reserve. This implicit challenge to Connecticut's authority in the Western Reserve went unanswered. (Terr. Papers U.S., 3:278-279; Chase, 3:ch. 330/p. 2096; Cappon, Petchenik, and Long, 92)

WASHINGTON lost to HAMILTON. (Terr. Papers U.S., 3:363-364)

WASHINGTON lost to creation of ADAMS. (Terr. Papers U.S., 2:612-613; Chase, 3:ch. 333/p. 2096)

WASHINGTON lost to creation of JEFFERSON. (Terr. Papers U.S., 2:617-618; Chase, 3:ch. 334/p. 2096)

WASHINGTON lost to creation of ROSS. (Terr. Papers U.S., 3:510; Chase, 3:ch. 336/p. 2097)

WASHINGTON lost to JEFFERSON. (Chase, 3:ch. 342/p. 2098)

WASHINGTON lost to creation of FAIRFIELD. (Terr. Papers U.S., 3:526; Chase, 3:ch. 340/pp. 2097-2098)

WASHINGTON lost to creation of BELMONT. (Terr. Papers U.S., 3:528; Chase, 3:ch. 341/p. 2098)

WASHINGTON became a county in the state of Ohio. (U.S. Stat., vol. 2, ch. 40 [1802], secs. 1-3/pp. 173-174; Van Zandt, 112)

WASHINGTON lost to creation of GALLIA. (Ohio Laws 1803, 1st assy., ch. 8/p. 19; Chase, 3:ch. 347/pp. 2100-2101)

WASHINGTON lost to creation of COLUMBIANA. (Ohio Laws 1803, 1st assy., ch. 6/p. 15; Chase, 3:ch. 346/p. 2100)

WASHINGTON lost to creation of MUSKINGUM and implicitly lost small area to COLUMBIANA [WASHINGTON was separated into two parts by this creation]. (Ohio Laws 1803, 2d assy., ch. 6, secs. 1-4/pp. 68-70; Chase, 3:ch. 349/p. 2101)

WASHINGTON lost to creation of ATHENS. (Ohio Laws 1804, 3d assy., ch. 68/p. 283; Chase, 3:ch. 351/p. 2102)

WASHINGTON lost to JEFFERSON [ended division of WASHINGTON]. (Ohio Laws 1806, 5th assy., ch. 37/p. 104; Ohio Laws 1826, 25th assy., gen., p. 15; Chase, 3:ch. 358/p. 2104 and ch. 454/p. 2141)

WASHINGTON exchanged with ATHENS. (Ohio Laws 1807, 6th assy., ch. 43/p. 149; Chase, 3:ch. 366/pp. 2107-2108)

WASHINGTON lost to creation of MONROE; MONROE not fully organized, part attached to WASHINGTON for administrative and judicial purposes. (Ohio Laws 1812, 11th assy., ch. 25/p. 57; Chase, 3:ch. 396/p. 2117)

WASHINGTON exchanged with ATHENS. (Ohio Laws 1813, 12th assy., ch. 49/p. 146; Chase, 3:ch. 398/p. 2118)

WASHINGTON lost to MONROE; MONROE fully organized, detached from WASHINGTON. (Ohio Laws 1814, 13th assy., ch. 36, secs. 1, 2, 6/pp. 128-129; Chase, 3:ch. 402/pp. 2120-2121)

WASHINGTON lost to creation of MORGAN; WASHINGTON was separated into two parts by this creation. MORGAN not fully organized, part attached to WASHINGTON for administrative and judicial purposes. (Ohio Laws 1817, 16th assy., ch. 18/p. 42; Chase, 3:ch. 414/p. 2126)

WASHINGTON lost to creation of PERRY [ended division of WASHINGTON]. (Ohio Laws 1817, 16th assy., ch. 11, secs. 1, 5/pp. 26, 29; Chase, 3:ch. 411/p. 2124)

MORGAN fully organized, detached from WASHINGTON. (Ohio Laws 1818, 17th assy., ch. 6, secs. 1, 4/pp. 7-9; Chase, 3:ch. 421/pp. 2129-2130)

WASHINGTON lost to MORGAN [section 11 in township 8, range 12 apparently remained part of WASHINGTON; corrected 1 April 1851]. (Ohio Laws 1844, 43d assy., loc., p. 360)

WASHINGTON lost to MORGAN. (Ohio Laws 1845, 44th assy., loc., p. 105)

WASHINGTON lost to creation of NOBLE and lost to MONROE and MORGAN, including section 11, township 8, range 12, which had been left with WASHINGTON on 11 March 1845. (Ohio Laws 1850, 49th assy., loc., secs. 1-2, 4, 10/pp. 137-139)

WAYNE (Northwest Territory, extinct) created by the Northwest Territory from HAMILTON, KNOX (Ind.), and non-county area; included parts of present Ohio, Illinois, Indiana, Michigan, and Wisconsin. (Terr. Papers U.S., 2:567-568, 3:447; Chase, 3:ch. 332/p. 2096)

WAYNE (Northwest Territory, extinct) lost to creation of Indiana Territory; WAYNE (Northwest Territory) eliminated from present Indiana, Illinois, and Wisconsin. (Terr. Papers U.S., 3:86-88; U.S. Stat., vol. 2, ch. 41 [1800]/pp. 58-59)

WAYNE (Northwest Territory, extinct) lost to creation of TRUMBULL. (Terr. Papers U.S., 3:525; Chase, 3:ch. 338/p. 2097)

WAYNE (Northwest Territory, extinct) eliminated when the state of Ohio was created. (Ind. Terr., Exec. Journal, 114-115; Pence and Armstrong, 218; U.S. Stat., vol. 2, ch. 40 [1802], secs. 1-3/pp. 173-174; Van Zandt, 112)

WAYNE (Indiana Territory, extinct) created by Indiana Territory from KNOX (Ind.), ST. CLAIR (Ill.), and the former Northwest Territory north of Ohio; included parts of present Ohio, Illinois, Indiana, Michigan, and Wisconsin. (Ind. Terr., Exec. Journal, 114-115; Pence and Armstrong, 218; U.S. Stat., vol. 2, ch. 40 [1802], secs. 1-3/pp. 173-174; Van Zandt, 112)

WAYNE (Indiana Territory, extinct) eliminated when Michigan Territory was created from Indiana Territory. (Terr. Papers U.S., 10:5-7; U.S. Stat., vol. 2, ch. 5 [1805]/pp. 309-310)

WAYNE created from Non-County Area 2; WAYNE not fully organized, attached to COLUMBIANA for administrative and judicial purposes. (Ohio Laws 1807, 6th assy., ch. 46/p. 154; Chase, 3:ch. 367/p. 2108)

WAYNE detached from COLUMBIANA, attached to STARK for administrative and judicial purposes. (Ohio Laws 1807, 6th assy., ch. 46, secs. 2-3/pp. 154-155; Chase 3: ch. 367, secs. 2-3/p. 2108)

WAYNE fully organized, detached from STARK. (Ohio Laws 1811, 10th assy., ch. 10/p. 17; Chase, 3:ch. 389/p. 2115)

WAYNE lost to creation of HOLMES; HOLMES not fully organized, part attached to WAYNE for administrative and judicial purposes. (Ohio Laws 1823, 22d assy., loc., ch. 36/p. 50; Chase, 3:ch. 444/p. 2138)

HOLMES fully organized, detached from WAYNE. (Ohio Laws 1824, 23d assy., gen., sec. 1/p. 21; Chase, 3:ch. 447/pp. 2139-2140)

WAYNE lost to creation of ASHLAND. (Ohio Laws 1845, 44th assy., loc., secs. 1-2/pp. 172-173)

WAYNE (Mich.) created by Michigan Territory from non-county area; included part of the disputed strip west of Lake Erie that also was claimed by Ohio but controlled by Michigan. (Terr. Papers U.S., 10:720)

WAYNE (Mich.) gained non-county area known as Michilimackinac District; area within present Ohio was unchanged. (Terr. Papers U.S., 10:722)

WAYNE (Mich.) lost to creation of MONROE (Mich.); WAYNE (Mich.) eliminated from present Ohio. (Terr. Papers U.S., 10:729)

Connecticut ceded to the United States its claim to lands north and west of Pennsylvania and the Ohio River, except for a tract lying between 41 degrees and 42 degrees, 2 minutes north latitude (Connecticut's southern and northern limits) and extending 120 miles west of Pennsylvania. This tract was known as the Connecticut Western Reserve. (Terr. Papers U.S., 2:24 n. 62)

WASHINGTON created by the Northwest Territory from non-county area and part of the Western Reserve. This implicit challenge to Connecticut's authority in the Western Reserve went unanswered. (Terr. Papers U.S., 3:278-279; Chase, 3:ch. 330/p. 2096; Cappon, Petchenik, and Long, 92)

JEFFERSON created by the Northwest Territory from WASHINGTON and part of the Western Reserve. This implicit challenge to Connecticut's authority in the Western Reserve went unanswered. (Terr. Papers U.S., 2:617-618; Chase, 3:ch. 334/p. 2096)

Connecticut ceded the Western Reserve to the United States and the area was incorporated into the Northwest Territory. (Terr. Papers U.S., 3:84-86; U.S. Stat., vol. 2, ch. 38 [1800]/pp. 56-57)

WILLIAMS created from Non-County Area 6 attached to DARKE and Non-County Area 7 attached to SHELBY; WILLIAMS overlapped part of the area disputed with Michigan Territory since 1805 that was actually under Michigan control. WILLIAMS not fully organized, attached to WOOD for administrative and judicial purposes. (Ohio Laws 1819, 18th assy., loc., ch. 37, secs. 1-2/pp. 91-92; Chase, 3:ch. 429/pp. 2134-2135)

WILLIAMS fully organized, detached from WOOD; HENRY, PAULDING, and PUTNAM detached from WOOD, attached to WILLIAMS "for judicial purposes." (Ohio Laws 1823, 22d assy., loc., ch. 16/p. 19; Chase, 3:ch. 440/p. 2137)

PUTNAM fully organized, detached from WILLIAMS. (Ohio Laws 1833, 32d assy., loc., secs. 1, 13/pp. 19, 21)

HENRY fully organized, detached from WILLIAMS. (Ohio Laws 1834, 33d assy., loc., p. 11)

Ohio legislature authorized WILLIAMS to gain control of the area disputed with Michigan Territory. (Ohio Laws 1834, 33d assy., loc., secs. 1, 3-5/pp. 92-93)

The state of Michigan was created from Michigan Territory. Boundary dispute with Ohio over the strip running from Indiana to Lake Erie was settled in favor of Ohio. Confirmed the jurisdiction of WILLIAMS over territory along the Michigan-Ohio line. (U.S. Stat., vol. 5, ch. 99 [1836], secs. 1-2/p. 49; ch. 117 [1836]/pp. 56-57; and ch. 6 [1837]/p.144; Van Zandt, 127)

PAULDING fully organized, detached from WILLIAMS. (Ohio Laws 1838, 37th assy., loc., p. 385)

WILLIAMS lost to creation of DEFIANCE. (Ohio Laws 1844, 43d assy., loc., sec. 1/p. 191)

WILLIAMS lost to creation of FULTON. (Ohio Laws 1849, 48th assy., loc., p. 682)

WOOD created from Non-County Area 9 attached to LOGAN; WOOD overlapped part of the area disputed with Michigan Territory since 1805 that was actually under Michigan control. HANCOCK, HENRY, PAULDING, PUTNAM, and WILLIAMS all attached to WOOD for administrative and judicial purposes. (Ohio Laws 1819, 18th assy., loc., ch. 37, secs. 1-3/pp. 91-92; Chase, 3:ch. 429/pp. 2134-2135)

WILLIAMS fully organized, detached from WOOD; HENRY, PAULDING, and PUTNAM detached from WOOD, attached to WILLIAMS "for judicial purposes." (Ohio Laws 1823, 22d assy., loc., ch. 16/p. 19; Chase, 3:ch. 440/p. 2137)

HANCOCK fully organized, detached from WOOD. (Ohio Laws 1827, 26th assy., gen., p. 5; Chase, 3:ch. 462/p. 2144)

WOOD gained from SANDUSKY. Ohio legislature authorized WOOD to gain control of the area disputed with Michigan Territory. (Ohio Laws 1834, 33d assy., loc., secs. 1, 3-5/pp. 92-93)

WOOD lost to creation of LUCAS. (Ohio Laws 1835, 33d assy., 2d sess., sec. 1/p. 5)

WOOD lost to LUCAS. (Ohio Laws 1835, 34th assy., loc., p. 470)

WYANDOT created from CRAWFORD, HANCOCK, HARDIN, and MARION. (Ohio Laws 1844, 43d assy., loc., secs. 1-2, 4/pp. 61-62)

Ohio: Individual County Chronologies