Illinois sent its sons to every American war, and each conflict left its own trail of records. A soldier or sailor in your family is often the ancestor easiest to document: the government kept careful count.
The people in this story fill our public-record database. Search a surname and filter to Illinois.
Search Illinois records →Illinois’s wars, generation by generation
Illinois raised troops from the War of 1812’s Fort Dearborn tragedy through the Black Hawk War of 1832, the Mexican War, and two World Wars, with Great Lakes Naval Station and vast Chicago war industries in the twentieth century.
The home front
The wars of the twentieth century were fought at home as well, in training camps, National Guard armories, war plants, and Liberty-bond drives. Draft registrations, service cards, and unit histories place a Illinois family in each conflict, generation by generation.
Finding your Illinois ancestors
- Draft cards, adjutant-general records, and National Archives service files trace a soldier through any of the nation’s wars.
- Census records (free through 1950) list occupation and residence: placing your family in a specific Illinois county and town, decade by decade.
- Death & cemetery records: search our Illinois database for the people in this story and the generations around them.
- The Illinois State Archives in Springfield holds the deeper collections: company, church, military, and county records.
- Newspapers on the Library of Congress’s Chronicling America carried the obituaries, accidents, and milestones of these communities.
We work back from you to the ancestor who lived this history: census, vital, church, and cemetery records, written into a book and an interactive family site. Flat rate, no DNA test.
See how it works →Frequently asked questions
What wars did Illinois soldiers fight in?
Beyond the Civil War, Illinois men served across the nation’s conflicts: the frontier and 1812-era fighting, the Mexican and Spanish-American Wars, and both World Wars and after.
How do I find a military ancestor in Illinois?
Start with WWI and WWII draft registration cards, state adjutant-general and National Guard records, and unit histories, then order service and pension files from the National Archives.