California County Naturalizations - FamilySearch Historical Records

What is in This Collection?
The collection consists of naturalization records for the years 1849 to 1949 from the following counties (coverage dates will vary by county):
 * Nevada
 * Orange
 * Placer
 * Sacramento
 * San Francisco
 * Sonoma
 * Santa Clara
 * Stanislaus
 * Santa Barbara
 * San Benito
 * San Diego
 * Solano
 * Sutter
 * Yolo
 * Yuba

What Can These Records Tell Me?
Naturalization petitions may include:


 * 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

The Declaration of Intent may include:


 * 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

How Do I Search This Collection?
Before searching this collection, it is helpful to know:
 * The full name of your ancestor
 * The approximate immigration and naturalization dates

If you do not know this information, check the 1900 or 1910 census and then calculate the possible year of naturalization based on the date of immigration. The 1920 census may tell you the exact year of immigration or naturalization.

View the Images
View images in this collection by visiting the :
 * 1) Select the County
 * 2) Select the Record Type, Year Range and Volume Number or Letter to view the images.

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.

What Do I Do Next?
If these are indexes, the original records may contain additional information than was not indexed, or the information might have been indexed incorrectly. You may want to search for the original record at the [URL of Custodian (space) Custodian Name].

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

 * Use the information found in the record to find port records and ship’s manifests
 * Use the information found in the record to find additional family members in census records
 * If applicable, search for military records as well

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

 * If your ancestor does not have a common name, collect entries for every person who has the same surname. This list can help you find possible relatives
 * If you cannot locate your ancestor in the locality in which you believe they lived, then try searching records of a nearby town or county
 * Try different spellings of your ancestor’s name
 * Remember that sometimes individuals went by nicknames or alternated between using first and middle names
 * Look for the Declaration of Intent soon after the immigrant arrived. Then look for the naturalization petition five years later, when the residency requirement would have been met. Look for naturalization records in federal courts, then in state, county, or city courts. An individual may have filed the first and final papers in different courts and sometimes in a different state if the person moved. Immigrants who were younger than 18 when they arrived did not need to file a Declaration of Intent as part of the process
 * Check other possible ports of entry

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. "California County Naturalizations, 1849-1949." Images. FamilySearch. http://FamilySearch.org : accessed 2017. County clerk offices, California.
 * Collection Citation:

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