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Naturalization Indexes

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Naturalization index cards vary greatly between courts where the original records were filed. The common detail is that they will lead you to where the petitioner's original paperwork is located.

Naturalization Index - CA San Diego
NARA M1526. Use these index cards for immigrant data, and to locate naturalization records registered in the Superior Court of San Diego, 1868-1958. Learn more
Naturalization Index - MA
NARA M1545. Index to naturalization petitions and records for the District of Massachusetts, within the US District Court, 1906-1966, and the US Circuit Court, 1906-1911. Learn more
Naturalization Index - MD
NARA M1168. Index cards for Naturalization Petitions filed in the US Circuit and District Courts for Maryland, 1797-1951. Learn more
Naturalization Index - NY Eastern Jul 1865-Sep 1906
NARA M1164. A card index to naturalization petitions filed in the US District Court for the Eastern District of New York from July 1865 through September 1906. Learn more
Naturalization Index - NY Eastern Oct 1906-Nov 1925
NARA M1164. A card index to naturalization petitions filed in the US District Court for the Eastern District of New York from October 1906 through November 1925. Learn more
Naturalization Index - NY Eastern Nov 1925-Dec 1957
NARA M1164. A card index to naturalization petitions filed in the US District Court for the Eastern District of New York from November 1925 through December 1957. Learn more
Naturalization Index - NY Southern Intentions
NARA M1675. Alphabetical Index to Declarations of Intention of the US District Court for the Southern District of New York, 1917-1950. Learn more
Naturalization Index - NY Southern Petitions
NARA M1676. Alphabetical Index to Petitions for Naturalization of the US District Court for the Southern District of New York, 1824-1941. Learn more
Naturalization Index - NY Western
NARA M1677. Alphabetical Index to Petitions for Naturalizations of the US District Court for the Western District of New York, 1907-1966. Learn more
Naturalization Index - NYC Courts
NARA M1674. The Soundex index to naturalization petitions filed in federal, state, and local courts in New York City, including New York, Kings, Queens and Richmond counties, 1792-1906. Learn more
Naturalization Index - WWI Soldiers
NARA M1952. Index cards for locating naturalization records for soldiers serving in the US Armed Forces during World War I, specifically the year 1918. Learn more