Ohio Genealogy Online

Databases & Web Sites for OH Family History Research

Research and explore your Ohio genealogy and family history online with these online Ohio genealogy databases, indexes and digitized records collections - many of them free!

Over 2.2 million obituaries, death & marriage notices from Ohio newspapers (1810–present) have been indexed in this free online database from the Rutherford B. Hayes Presidential Center. Copies of the obits may be ordered from 55 partner libraries, however only the Hayes Library has online ordering. More »
A searchable name index and scanned images of Ohio death certificates for the years 1908–1953. Free online from FamilySearch. More »
FamilySearch hosts this free, online collection of digitized marriage records from all 88 Ohio counties--both searchable and browse-able. The collection includes records obtained from Ohio county courthouses and may include marriage licenses, certificates, declarations, affidavits, licenses to perform marriages, abstracts, and loose documents. Coverage varies by county. Free! More »
Yet another free Ohio database from FamilySearch, Ohio Births 1841–2003 includes a searchable database and digitized images of county birth records from courthouses across Ohio. The collection covers *most* Ohio counties, but coverage varies by county. More »
Browse digitized images of Ohio county probate records, including wills, estates, orders, guardians bonds, inventories, etc. for 87 Ohio counties--free online at FamilySearch. Years and available records vary by county. Not searchable or indexed! More »
Digitized and searchable early tax records for the state of Ohio are available for free online access due to a partnership between FamilySearch and the Ohio Genealogical Society. More »

This collaborative digital library project of the Ohio Historical Society and the State Library of Ohio includes collections from more than 354 cultural heritage institutions from all of Ohio’s 88 counties. Discover genealogical treasures ranging from historic Ohio newspapers (65,000+ pages not available on Chronicling America), to historical photographs, to family papers and diaries. More »

Search the full text of War of 1812 company rosters from the Adjutant General records. Ohio furnished 1,759 Officers and 24,521 enlisted men for the War of 1812. More »
Over 5 million digitized newspaper pages from historical Ohio newspapers can be searched and browsed online for free at Chronicling America, a joint project of the Library of Congress and National Endowment for the Humanities. More »
Select testator indexes to wills for some Ohio Counties, free online from Sampubco. More »
Read or download any or all of the twelve published volumes of the "Official Roster of the Soldiers of the State of Ohio in the War of the Rebellion, 1861–1866," digitized by the University of Michigan, and available online through Hathi Trust Digital Library. More »
The Ohio Historical Society provides free online access to several Civil War collections, including an "Index to [Ohio] Prisoners at Andersonville, Georgia, and Salisbury, North Carolina Prisons, 1864-1865," and "Correspondence to the [Ohio]Governor and Adjutant General, 1861-1866." More »
Historical photographs, 1864 Presidential Election tickets, county histories, high school yearbooks, family histories, and other items have been digitized by participating southeastern Ohio libraries and can be browsed and searched online for free through the Digital Shoebox Project. More »
Search indexed obituaries from participating libraries, including Coshocton Public Library, Massillon Public Library, Holmes County District Public Library, and Loudonville Public Library. The database generally includes family relationships and other items of interest, and provides instructions on how to order a copy of a particular obituary. More »
Over 125 city and business directories for the city of Cincinnati can be browsed and/or downloaded from the Public Library of Cincinnati and Hamilton County's Virtual Library. More »
Digital copies of The Cincinnatian, the yearbook of the University of Cincinnati, are available online from 1894 through 1988, plus 2008. Not all years are available. Free from the Public Library of Cincinnati and Hamilton County. More »
This searchable/browsable collection encompasses over 528,000 birth and death records for the city of Cincinnati, Ohio, consisting of digitized versions of index cards originally created by the Cincinnati Health Department. The original index cards are considered the official and legal records of births and deaths from this time period and are housed in the Archives and Rare Books Library, University of Cincinnati Libraries, University of Cincinnati. The bulk of the records begin in 1865, but there are a small number of records with earlier dates, possibly reflecting "the 'restoration' of vital documents by citizens after the 1884 Hamilton County Courthouse fire." More »
An interesting free, online collection from FamilySearch encompassing browse-only digital images of admittance cards (1915–1947) and employment cards (1915-1940) of the Edwin Shaw Hospital; burial permits (1915-1947) of the Briar Hill Cemetery and coroner's inquest books (1882-1922) for Summit County, Ohio. More »
This free, collection of Catholic parish registers on FamilySearch encompasses the Diocese of Toledo which includes some churches within the following Ohio counties: Allen, Crawford, Defiance, Erie, Fulton, Hancock, Henry, Huron, Lucas, Ottawa, Paulding, Putnam, Richland, Sandusky, Seneca, Van Wert, Williams, Wood, Wyandot. Records are organized by county, then community, then parish. More »
Download this free comprehensive history of the development of land within the present state of Ohio, including how boundaries were drawn and land divided via treaties, grants, surveys, etc. Written by Dr. George W. Knepper and published by the Auditor of State. More »