Visits have been extended to 2 hours at many of our locations! See our Library Restart page for details.

The Library's Genealogy & Local History department houses one of the nation’s largest and oldest genealogy collections. Highlights include the complete U.S. federal census (1790–1930), passenger lists, city directories, military histories, maps, church and cemetery records, and slave and freedmen records. Resources from all 50 states and many foreign countries are available.


Genealogy and Local History Department staff offers specialized reference assistance to all customers, from children and beginning genealogists to professional researchers and scholars. The department presents monthly tours, co-sponsors programs with the Hamilton County Genealogical Society, and will develop programs tailored to the needs of any size class or group, including family reunions. To schedule a program, contact the department in person, by phone, or email.

Related Library Resources

Related Library Databases

Featured Research Databases

Genealogy Staff Picks

The Family Tree Guide to DNA Testing and Genetic Genealogy

by Blaine T. Bettinger

"Blaine Bettinger has written a colorfully illustrated and clearly explained source on what today has become the most widely used tool in genealogy research."



Staff pick Genealogy and Local History staff, Main Library

Recommended Reads - Genealogy

Staff Picks: Genealogy

Check out these great Library books from our Genealogy and Local History staff.

Latest Blog Posts

Get free one-on-one genealogy help online from the Library

You can now meet with librarians remotely for up to 30 minutes to receive instructions on researching your family history.

My journey to claim American citizenship

Greater Cincinnati Chinese Cultural Exchange Association Chair Felicity Tao discusses her hard-won journey to become an American citizen.
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