The different citizenship and naturalization records of Connecticut reflect its rich immigrant history, especially during the 19th and early 20th centuries. Before 1906, local courts—especially county superior courts and city courts—handled naturalizations, producing varied records that may include declarations of intention, petitions, and final orders. These documents often list birthplaces, arrival dates, and family members. After 1906, federal courts in Connecticut (primarily in Hartford, New Haven, and Bridgeport) standardized record-keeping. Researchers should also explore passport applications and U.S. District Court records. Given Connecticut’s industrial past and robust immigrant communities—Irish, Italian, Polish, and others—these records are invaluable for tracing ancestors’ journeys and understanding the state’s evolving population. Many are accessible through state archives, the National Archives (NARA), and online databases.
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Immigration & Travel
Citizenship, Passport and Naturalization
- US Naturalization Records, New England, 1791-1906 615,903 records
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