These index cards contain a great deal of information about petitioners, including occupation, birthdate or age, arrival in the US, and former nationality. Browse by naturalization year then surname, or type an immigrant's name in the search box under the browse menu for targeted results. Use the record and volume numbers to order petitions from NARA online.
"Alphabetical Index to Petitions for Naturalization of the US District Court [and Circuit Court] for the Southern District of New York, 1824-1941" database with images Fold3 (https://www.fold3.com/publication/104/naturalization-index-ny-southern-petitions: accessed August 19, 2022)
Naturalization Index - NY Southern Petitions
399,895 · Complete: 100%
Published on Fold3
06 Jan 2007
05 Oct 2007
NARA M1676. Alphabetical Index to Petitions for Naturalization of the U.S. District Court for the Southern District of New York, 1824-1941.