Formed 12 Feb 1820 444 square miles.
Parent counties: Darke and Shelby
Evolution of county from date of formation until it assumed its final form
1 Apr 1820 Erected and attached to Darke until organization of Mercer
2 Jan 1824: Organized. Van Wert attached until organization of Van Wert
1 Mar 1826: Part of Shelby attached
1 Mar 1828: Allen attached until organization of Allen1 Mar 1831: Diminished by organization of Allen
18 Mar 1837: Diminished by organization of Van Wert
14 Feb 1848: Diminished by formation of Auglaize. Parts attached to Allen and Van Wert. Part of Darke attached.
Federal Population schedules extant from 1820-1940. (1890 missing)
1820 Manufacturers; 1850 Agricultural; 1850 Industry; 1850 Mortality; 1860 Agricultural; 1860 Mortality; 1880 Agricultural; 1880 Industry
Black Creek, Butler, Center, Dublin, Franklin, Gibson, Granville, Hopewell, Jefferson, Liberty, Marion, Recovery, Union, and Washington.
Wayne had been a township, but it is now part of Celina.
Jana Broglin, OGSF