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):
  •  1792-1906 (filed in ALL 13 NY Courts) 

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

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

BROOKLYN (Kings County)
  • 1907-1924
 
BRONX
  • 1914 -1952


 
 
 
 

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