Illinois, United States Genealogy

Guide to Illinois ancestry, family history, and genealogy birth records, marriage records, death records, census records, family history, and military records.

This article is about the U.S. state of Illinois. For other uses, see Illinois (disambiguation).

Illinois Information
Illinois became the twenty-first state admitted to the United States on December 3, 1818. Illinois was created form Illinois Territory and is located in the Midwestern region of the United States. The capital is Springfield and there are 102 counties in Illinois.

Illinois Clickable Map
Many genealogy records are kept on the county level in the United States. Click on a county below to go to the county Wiki article listing more information.

Counties
Extinct or Renamed Counties: Dane • Illinois Country •  Knox (1790-1809)

FamilySearch Resources
Below are FamilySearch resources that can assist you in researching your family.
 * Facebook Communities - Facebook groups discussing genealogy research
 * Learning Center - Online genealogy courses
 * Historical Records - databases and record images on FamilySearch
 * Family History Center locator map

Additional Resources

 * Cyndi's List - Illinois genealogy sites on the internet
 * Illinois Genealogy Trails - Collection of transcribed data for the state of Illinois
 * Access Genealogy – Genealogy guide for Illinois
 * The Ancestor Hunt - Resources for Illinois genealogy research
 * Random Acts of Genealogical Kindness - Guide to Ancestry and Family Tree Records for Illinois
 * Illinois Research Outline – Original Family History Library research outline; contains many out of date links
 * Every Name Index