Pennsylvania, Allegheny, Pittsburgh, Naturalization Card File Index - FamilySearch Historical Records

What is in This Collection?
These records are a card index to the naturalization petitions found in the U.S. District Courts and Circuit Courts in Pittsburgh, Pennsylvania for the years 1906-1990. The names in this collection are not always in strict alphabetical order. Microfilm originals of these records are in the clerk's office of the U.S. District Court in Pittsburgh. For the actual petitions, check the author-title catalog under "United States. District Court (Pennsylvania: Western District), Naturalization Petitions, 1820-1931" and "United States. Circuit Court (Pennsylvania: Western District), Naturalization petitions and records, 1910-1911." See FamilySearch Collections - FamilySearch Catalog below.

What Can These Records Tell Me?
The following information may be found in these records:
 * Name
 * Age
 * Date of birth
 * Residence city and state

How Do I Search This Collection?
Before searching this collection, it is helpful to know:
 * The name of your ancestor
 * Place of residence
 * The approximate date of naturalization

How Do I Analyze the Results?
Compare each result from your search with what you know to determine if there is a match. This may require viewing multiple records or images. Keep track of your research in a research log.

I Found the Person I Was Looking For, What Now?

 * Add any new information to your records
 * Use the information to find vital records
 * Use the information to find additional family members in census records
 * Search for land and probate records

I Can’t Find the Person I’m Looking For, What Now?

 * Collect entries for every person who has the same surname. This list can help you identify possible relatives
 * If you cannot locate your ancestor in the locality in which you believe they lived, then try searching records of a nearby locality
 * Standard spelling of names typically did not exist. Try variations of your ancestor’s name
 * Remember that sometimes individuals went by nicknames or alternated between using first and middle names, or even initials

Research Helps
The following articles will help you in your research for your family in the state of Pennsylvania.
 * Pennsylvania Guided Research
 * Pennsylvania Research Tips and Strategies
 * Step-by-Step Pennsylvania Research, 1880-Present

Other FamilySearch Collections
These collections may have additional materials to help you with your research.

FamilySearch Catalog

 * U.S. District Court. Western District, Naturalization card file index, 1906-1990
 * U.S. District Court. Western District, Naturalization records, 1820-1935
 * U.S. District Court. Western District, Naturalization petitions and records, 1910-1911
 * Indexes to registers and registers of declarations of intention and petitions for naturalization of the U. S. District and Circuit Courts for the Western District of Pennsylvania, 1820-1906 : NARA RG21 publication M1208

FamilySearch Historical Records

 * Pennsylvania, Eastern District Naturalization Indexes, 1795-1952
 * Pennsylvania, Eastern District Petitions for Naturalization, 1795-1931

Citing This Collection
Citations help you keep track of places you have searched and sources you have found. Identifying your sources helps others find the records you used.