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Research Guides
USCIS continues to build upon the historical legacy of the Immigration and Naturalization Service (INS). Research with INS records can provide historians, genealogists, and other scholars with a better understanding of USCIS’ institutional precursors as well as the history of federal immigration and nationality policies.
Historical federal immigration and naturalization records can be divided into two groups:
          1) Researching Topics and Events; and
          2) Researching Individuals.
More information about each will be found on its respective pages.
 
Most helpful for:
Students and scholarly researchers interested in agency history or a specific topic related to immigration history, from 1891-present.
Researchers interested in the history of federal immigration and nationality laws, policies, and procedures.
Most helpful for:
Family historians looking for information about an ancestor or a specific historical immigration record.
Scholarly researchers searching for records related to an individual immigrant (biographical research).
 
 
Last Reviewed/Updated:
12/11/2019
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