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1890 Oklahoma Territorial Census

The OHS Research Center created an index to the 1890 Oklahoma Territorial Census. Most of the 1890 US Federal Census was destroyed by fire in 1921, making the 1890 Oklahoma Territorial Census one of the few remaining censuses from that time.

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1933 Unemployed Relief Census

Search an index of more than 100,000 names listed in the Unemployed Relief Census records. There are twenty-seven Oklahoma counties included.

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American Indian Censuses on Microfilm

The Research Center has thousands of census records that include more than 180 tribes and locations. Find out about American Indian census records available on microfilm in the Research Center.

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Subscription Websites Available in the Research Center

The Research Center offers free access to Ancestry Library Edition®, Fold3, HeritageQuest Online™, and The Oklahoman Digital Archives. These sites allow patrons visiting the Research Center to search, view, and print various items pertaining to genealogy and history.

Ancestry Library Edition® offers US Census, ship logs and passenger indexes, WWI draft registration cards, vital records, American Indian records, and the Social Security Death Index.

Fold3 includes military records, documents, and photographs dating from the Revolutionary War to recent conflicts. Fold3 also offers online access to and various American Indian records.

HeritageQuest™ also includes US Census as well as Revolutionary War pension and bounty-land warrant applications, the Freedman's Bank (1856–1874), and more.