Illinois Northern District Naturalizations, 1850-1950

A collection of naturalizations from the northern district of the state of Illinois from 1850 to 1950, containing nearly 1.5 million names.

Each record may include:

  • 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.