California, Naturalization Records, 1883-1991
This collection includes records such as Petitions for Naturalization, Declarations of Intention, Oaths of Allegiance, Military Petitions, and Certificates of Identity filed in the United States District and Superior Courts of California from 1883 to 1991. Original images are housed at the National Archives and Records Administration branches in San Bruno, California and Laguna Niguel, California. This collection is associated with NARA Record Group 21 and Microfilm Publications M1524 and M1613.
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California, Naturalization Records
What is in This Collection?
This collection contains index & images of naturalization records such as Petitions for Naturalization, Declarations of Intention, Oaths of Allegiance, Military Petitions, and Certificates of Identity filed in the United States District and Superior Courts of California from 1883 to 1991. This collection is part of NARA Record Group 21 and microfilm publications M1524 and M1613.
Additional records and/or images may be added to this collection in the future.
What Can These Records Tell Me?
The following information may be found in these records:
Petition
- Name of the petitioner
- Residence
- Country of birth
- Place and date of arrival
- Names of two witnesses
- Petition number
- Date of petition
- Volume and page number of the petition
Declarations of Intent and Naturalization Petitions
- Name of the immigrant
- Country of birth
- Arrival date
- Date of Declaration of Intent or Naturalization
- Names of witnesses
- Signature of judge or court official
- Birth date
- Birthplace
- Age
- Race
- Last foreign residence
- Current residence
- Arrival place
- Marital status
- Name of spouse
- Maiden name of wife
- Birth date of spouse
- Residence of spouse
Collection Details
Location of Original Records
National Archives and Records Administration
"California, Naturalization Records, 1883-1991", Database. FamilySearch. https://familysearch.org : 4 September 2025.