Naturalization  Search

Introduction

The National Archives states that Naturalization is the process by which an alien becomes an American citizen and the associated records can provide a researcher with information such as a person's birth date and location, occupation, immigration year, marital status and spouse information, witnesses' names and addresses, and more.  

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Beaver County, Pennsylvania Naturalization Records Prior to 1906:
Prior to 1906, any "court of record" (municipal, county, state, or Federal) could grant U.S. citizenship.  Beaver County, Pennsylvania has made available on this website imaged copies of original documents filed in the Prothonotary Office during this time period.

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Beaver County, Pennsylvania Naturalization Records After 1907 - 1985:
After 1906, the courts forwarded copies of naturalizations to the Immigration and Naturalization Service (INS) and may be available through the National Archives.

Beaver County, Pennsylvania has imaged the records that were recorded in the Prothonotary Office from 1907 – 1985.  These records are currently being indexed manually and are 78% completed.  If during this transition period, your search does not return any results, please stop by the Prothonotary Office at the Beaver County Courthouse to review and search through the original records.