Ohio Historical Society

The Ohio Historical Society collects manuscripts, documents and records relating to Ohio’s history.

Ohio Genealogical Society

Ohio Genealogical Society maintains a collection of Ohio resources for research.

State Library of Ohio

Special census records, military rosters, and other documents related to the state of Ohio.

1940 United States Census - Instructions

Step-by-step instructions for searching the 1940 census.

1940 United States Census

Find your ancestors in the newly released 1940 U.S. Census.

Columbus News Index - Obituary Search

An index to obituaries from central Ohio news publications, 1932-1997.

Ohio Death Certificate Index

Index to Ohio death certificates, 1913-1944.

Cyndi's List of Genealogy Sites

A comprehensive, categorized list of links to genealogical research websites.

Online Searchable Death Indexes and Records

A directory of U.S. online death indexes listed by state and county.

USGenWeb Project

Links to genealogical websites for every state, including Ohio, and most U.S. counties.