US, Illinois—County Naturalization Records, 1848–1945


Project Home Page



About This Project

  • This project is a collection of naturalization records from Illinois for the years 1848–1945. The records were created about individuals who applied for naturalization or admission to the United States. In addition to the name and surname of the applicant, the records may include information about the applicant's age, birth date, birth country, and place of residence, as well as other important genealogical information.

How to Help with This Project

  • If you have not already done so, you must register as an indexing volunteer. To register and to download and install the indexing program, click here for the indexing home page. Click Get Started, and follow the instructions on the page.
  • After you register and install the program, locate the FamilySearch indexing icon on your desktop, double-click the icon to open the program, and sign in to the indexing program with your username and password. Then click Download Batch, and select this project name from the list. To see the project name on the list, you may need to select Show all projects at the top of the Download Batch window.

Sample Images

Skill Level: Intermediate

  • This project is recommended for volunteers who are familiar with the indexing process and are comfortable using various system features.

Description and Characteristics

  • All records are naturalization records.
  • The naturalization records were handwritten or typed, often on preprinted forms.
  • Each batch contains up to 10 images.
  • Each image usually includes the name of at least one principal person and may also include the names of other individuals.
  • No highlights are available.

Records Access

  • The completed index and links to digital images will be freely accessible online to the general public when the collection is published.

Additional Information