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 NEW YORK STATE NATURALIZATION DATABASES

The following are links to searchable online NYS naturalization indexes by county. PLEASE direct any questions regarding these databases to the related sites.

 

New York City

MANHATTAN (fee for service site):
  • 1792-1989 (filed in ALL 13 NY Courts)

MANHATTAN (fee for service site):
  • 1907-24 (filed in NY County Supreme Court)

MANHATTAN
  • 1906-1959 (filed in NY Southern District Court)

BROOKLYN (Kings County)
  • 1907-1924

BRONX
  • 1914 -1952

QUEENS
 • 1846 -1937

STATEN ISLAND (Richmond County)
 • 1884 -1956

 

New York State

ALBANY COUNTY
  • 1821-1991

NASSAU COUNTY
  • 1899 - 1986

ONTARIO COUNTY
  • 1808-1956

ROCKLAND COUNTY
  • 1812-1991

SUFFOLK COUNTY
  • 1853 - 1990

WARREN COUNTY (main page)
  • 1813 - 1906 (natualization index)

  • 1907 - 1955 (petitions index)

WESTCHESTER COUNTY
  • 1808-1955