New York, Eastern District Naturalization Petitions, Index, 1865-1957
Card index to approximately 650,000 naturalization petitions that were filed in the United States District Court for the Eastern District of New York from 1865 to 1957. The cards are arranged in three groups covering the periods July 1865-September 1906, October 1906-November 1925, and November 1925-December 1957. The cards within each group are arranged alphabetically by the name of the person naturalized. Index cards in the first group include the name of the naturalized individual, the date of naturalization, and the volume and record number of the naturalization petition. These cards may also contain such information as the address, occupation, birth date or age, former nationality, and port and date of arrival of the person naturalized, and the name of the witness to the naturalization. The cards for the second and third groups show the name and the petition and certificate numbers of the person naturalized and generally include the address, age, and date of admission to citizenship. Index provided by Fold3.
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New York, Naturalization Indexes
What is in This Collection?
This collection includes records from 1865 to 1957.
These collections are card indexes to naturalization records in the United States Circuit and District Courts of New York. The cards are arranged alphabetically by surname.
The actual naturalization volumes vary in size and format. Prior to the late 1800s each document was usually handwritten on one page. From the late 1800s and on, printed forms were used. After 1906 many entries were typewritten.
While there were various types of naturalization records, the Declaration of Intent and Naturalization Petition usually had the most complete genealogical information.
The first naturalization act was passed in 1802. Immigrants to the United States were not required to apply for citizenship. Of those who did apply, many did not complete the requirements for citizenship.
Naturalization to become a U.S. citizen was a two-part process: the Declaration of Intent to Naturalize, or First Papers, and the Naturalization Record (including the Naturalization Petition), or Final Papers. The First Papers were normally filed five years before the Final Papers because of the five-year residency requirement to become a citizen.
No centralized files existed before 1906. In 1906 federal forms replaced the various formats that had been used by the various courts. Copies were sent to the Immigration and Naturalization Service (INS), creating a central file for naturalization papers. The INS is now known as the U.S. Citizenship and Immigration Services (USCIS).
Naturalization records are generally well preserved, but some records may have been lost to fire or other disasters.
Naturalization is the process of granting citizenship privileges and responsibilities to foreign-born residents. New York’s counties recorded naturalization procedures in the court records as legal proof of citizenship. The courts handling naturalizations changed several times so the card index was created as a way to quickly access specific records.
The index is very accurate and the information that was current at the time of naturalization was usually reliable. However, there was always a chance for misinformation. Errors may have occurred because of the informant’s lack of knowledge or because of transcription errors or other circumstances.
Additional records and/or images may be added to this collection in the future.
What Can These Records Tell Me?
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The index cards include the following:
Some of the index cards also show:
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Declaration of Intent and Naturalization Petitions usually included the following:
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In post-1906 records, you may also find:
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Collection Content
Inventory
For a list of all the titles included in this Historical Records publication see New York, Eastern District Naturalization Petitions, Index - Inventory
Jurisdictions
The Eastern District had jurisdiction over the following counties:
The Southern District had jurisdiction over the following counties:
The Western District had jurisdiction over the following counties
Collection Details
Location of Original Records
National Archives and Records Administration
"New York, Eastern District Naturalization Petitions, Index, 1865-1957." Database. FamilySearch. http://FamilySearch.org : 13 February 2025. From "Index to Naturalization Petitions of the United States District Court for the Eastern District of New York, 1865-1957." Database. Fold3.com. http://www.fold3.com : n.d. Citing NARA microfilm publication 1164. Washington, D.C.: National Archives and Records Administration, 1991.
