Butler County, Location

Butler County

Formed 24 Mar 1803, 471 square miles
Parent county: Hamilton

Evolution of county from date of formation until it assumed its final form
1 May 1803: Erected and organized
20 Jan 1808: Part of Hamilton attached
1 Mar 1808: Diminished by formation of Preble
1 Mar 1815: Part attached to Warren

Federal Population schedules extant from 1820-1940. (1890 missing)

Non-population schedules:
1820 Manufacturers; 1850 Agricultural; 1850 Industry; 1860 Agricultural; 1860 Mortality; 1870 Agricultural; 1870 Industry; 1880 Agricultural; 1880 Mortality

Townships:
Fairfield, Hanover, Lemon, Liberty, Madison, Milford, Morgan, Oxford, Reily, Ross, St. Clair, Union, and Wayne.

Archival District: University of Cincinnati, Archives & Rare Books, Blegen Library

Butler County Courthouse
101 High St., Hamilton, OH 45011-2756
Probate Court: http://www.butlercountyprobatecourt.org/index.cfm?page=courtRecords


Butler County Records Center and Archives
123 N. Third St., Hamilton, OH

Jana Broglin, CG, OGSF
Swanton, Ohio
mailto:jana@janabroglin.com