Find your ancestors in California Northern District Naturalizations, 1850-1989

A collection of naturalizations from the northern district of the state of California from 1850 to 1989, consisting of over 500 thousand names.

Each record may contain:

  • First name
  • Last name
  • Address
  • Place of birth
  • Date of birth
  • Date of naturalization
  • Name of witness

    These records are provided in partnership with FamilySearch.