Ohio County History and Listings
9/29/2010
Our county-by-county listing of Ohio has contact information and dates vital records for historic and modern-day counties.
Jump to a letter within the listings: A-C | D-F | G-I | J-L | M-O | P-S | T-V | W-Z

Adams
110 W. Main St., West Union, OH 45693
(937) 544-5547
http://www.adamscountyoh.com
Incorporated: July 10, 1797
Parent county: Hamilton
Marriage records: start in 1910, kept by Probate Court
Divorce: 1910, Clerk of Courts
Land: 1797, County Recorder
Probate: 1910, Probate Court
Court: 1910, Clerk of Courts
Notes: Probate Court has non-certifiable township birth and death records 1888-1893, marriage records 1803-1833, Wills 1849-1860, and a book by the genealogy society of marriages 1834-1910. Courthouse burned in 1910, some records saved, some as early as 1796; records of several adjacent counties prior to their formation included.

Allen
301 N. Main St., Lima, OH 45802
(419) 223-8513
http://www.co.allen.oh.us
Parent county: Shelby
Incorporated: Feb. 12, 1820
Marriage Records: start in 1831, kept by Probate Court
Divorce: 1831, Clerk of Courts
Probate: 1831, Probate Court
Court: 1831, Clerk of Courts
Notes: Probate Court has birth and death records 1867-1908. County Museum has naturalization records 1830s-1870s.