Online New York Naturalization Records & Indexes

Online New York Naturalization Indexes & Records

Albany County Naturalizations 1821-1991
Clinton County Naturalization Records Index 1865-1906
Delaware County Naturalization Records
Erie County (Buffalo): see the Western District indexes listed below
Essex County Naturalization Records Index 1836-1880
Long Island: see the Eastern District indexes listed below
Monroe County (Rochester): see the Western District indexes listed below
Nassau County Naturalization Project 1899-1986
Nassau County: also see the Eastern District indexes listed 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 Petitions for Naturalization Index 1792-1989 [requires payment] includes digitized images of the index cards - has over 2 million records from all 5 New York City boroughs
- New York County Supreme Court Naturalization Petition Index, 1907-1924 (Manhattan) [requires payment]
- Index to Declaration of Intent for Naturalization: New York County, 1907-1924 (Manhattan) [requires payment] has nearly 675,000 listings
- The above 3 databases are included in a subscription to Ancestry's U.S. genealogy records collection
- Southern District of New York (Manhattan and the Bronx) Indexes...
  - Southern District Court of New York Naturalization Records Index 1907-1959
  - Index to Petitions of Naturalization of the US District Court, Southern District of New York, 1824-1941 at Footnote (searches are free - you can view scanned copies of the index cards for a fee) from National Archives Microfilm Publication M1676
  - Index to Declarations of Intention of the U.S. District Court, Southern District of New York, 1917-1950 at Footnote (searches are free - you can view scanned copies of the index cards for a fee) from National Archives Microfilm Publication M1675
- Bronx County Naturalization Index Project 1914-1952
- Kings County (Brooklyn) Naturalization Index 1907-1924 (may be offline)
- Kings County: also see the Eastern District indexes listed below
- Queens County Naturalization Index 1906-1957
- Queens County: also see the Eastern District indexes listed below
- Richmond County (Staten Island): see the Eastern District indexes listed below
Ontario County...
- Ontario County Naturalizations 1803-1906
- Ontario County Naturalizations 1906-1956
Rensselaer County Naturalization Records (partial index)
Rockland County Naturalization Database 1812-1996
- To order copies of the records from the above index see: Rockland County Archivist Naturalizations
Suffolk County Naturalization Index 1853-1990
Suffolk County: also see the Eastern District indexes listed below
Ulster County Naturalization Record Collection Index Search (not complete)
Warren County...
- Warren County Naturalization Papers Index 1813-1906
- Warren County, New York Naturalization Petitions 1907-1955
  - To order copies of items from the above two indexes see: Warren County Records Storage Center & Archives
Westchester County Archives Indexes
includes declarations of intention & naturalization records 1808-1927
Yates County Naturalization Index

Eastern District of New York Index to Naturalization Petitions, U.S. District Court, 1865-1957 at Footnote
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. Also see the listings for individual counties above

Western District of New York Index to Naturalization Petitions, U.S. District Court, 1907-1966 at Footnote
for Buffalo (Erie County) and Rochester (Monroe County)
- Alphabetical Index to Petitions for Naturalizations of the U.S. District Court for the Western District of New York, 1907-1966 searchable, scanned index cards from NARA microfilm publication M1677 (searches are free - requires payment for digitized copies of the index cards)

The New York Military Naturalization Project (naturalizations of military personnel for both World Wars & the Korean War)

For Help in Researching New York Naturalization Records Offline See...
- Finding USA Naturalization Records
- Microfilmed Index to New York Naturalization Petitions 1792-1906 for various New York courts

May Be Helpful for Researching Early NY Records...

BOOK: Early New York Naturalizations: Abstracts of Naturalization Records from Federal, State, and Local Courts, 1792-1840 by Kenneth Scott (GPC, published 1999); includes about 10,000 total entries; You can click on the title for ordering information (may be out of print)

Other New York Resources...

Online New York Death Records & Obituaries - Indexes for New York City & State

Online New York Birth and Marriage Records Indexes

Online Searchable New York Naturalization Records & Indexes