Online New York Naturalization Indexes and Records|
Note that the New York City listings may also include counties ouside of NYC.
- Albany County Naturalizations 1821-1991
- Cayuga County Naturalization Records Index 1799-1952 PDF file
- Clinton County Naturalization Records Index 1865-1906
- Delaware County Naturalization Records
- Dutchess County, New York Naturalization Records 1932-1989 (at Ancestry/requires payment)
- Erie County (Buffalo) and Monroe County (Rochester)...
- Western District of New York Index to Naturalization Petitions, U.S. District Court, 1907-1966 at Fold3 (formerly Footnote)
- Essex County Naturalization Records Index 1836-1906
- Long Island: see the Eastern District indexes listed below
- Madison County Naturalization Records 1819-1953
- Monroe County (Rochester): see the Erie County section above
- Nassau County Naturalization Project 1899-1986
- Nassau County: also see the Eastern District of New York section below
- New York City...
Note: there are a variety of courts in NYC where naturalizations took place -- you may have to check more than one index -- and some indexes may not yet be online
- New York City Naturalization Indexes at Ancestry (these require payment):
- Southern District of New York - Manhattan and the Bronx; also: Columbia, Dutchess, Greene, Orange, Putnam, Rockland, Sullivan, Ulster and Westchester Counties
- Scanned Records - Southern District...
- Scanned Indexes - Southern District...
- Eastern District of New York - Brooklyn, Queens and Staten Island; also: Nassau and Suffolk Counties
- Scanned Records - Eastern District...
- Scanned Indexes - Eastern District...
- Eastern District of New York Index to Naturalization Petitions, U.S. District Court, 1865-1957 at Fold3 for Kings (Brooklyn), Nassau, Queens, Richmond (Staten Island), and Suffolk Counties (scanned index cards from National Archives microfilm publication M1164; searchable by name; searches are free - requires payment for digitized copies of the index cards)
- Eastern District Court of New York Naturalization Index Project 1865-1956 includes Kings (Brooklyn), Queens, Richmond (Staten Island), Nassau & Suffolk Counties
- Bronx County Naturalization Index Project 1914-1952
- Bronx County: also see the Southern District of New York section above
- Kings County (Brooklyn) Naturalization Index 1907-1924
- Kings County: also see the Eastern District of New York section above
- Queens County Naturalization Index 1906-1957
- Queens County: also see the Eastern District of New York section above
- Richmond County Naturalization Database 1883-1959 coverage varies by type of document
- Richmond County (Staten Island): also see the Eastern District of New York section above
- Ontario County...
- Rensselaer County Naturalization Records (partial index)
- Rockland County Naturalization Database 1812-1996
- Suffolk County Naturalization Index 1853-1990
- Suffolk County: also see the Eastern District of New York section above
- Ulster County Naturalization Record Collection Index Search (not complete)
- Warren County...
- Westchester County Archives Naturalization Records Index 1808-1928 (1929-1955 is being worked on)
- Yates County Naturalization Index
- Misc New York Naturalization Indexes includes...
- Western District Federal Court Naturalization Index: for Allegany, Cattaraugus, Chautauqua, Chemung, Erie, Genesee, Livingston, Monroe, Niagara, Ontario, Orleans, Schuyler, Seneca, Stuben, Wayne, Wyoming and Yates Counties; covers 1903-1966 for petitions; also indexes other naturalization documents
- United States Circuit Court for the Southern District of New York Naturalizations Index 1846-1876 and 1906-1911
- The New York Military Naturalization Project (naturalizations of military personnel for both World Wars & the Korean War)
Other New York Genealogy Resources...
- For Help in Researching New York Naturalization Records Offline See...