Illinois, U.S., State Census Collection, 1825-1865 Ancestry.com
Illinois State Census, 1825. Microfilm. Record Series 103.003, 1 roll. Illinois State Archives, Springfield, Illinois.
Illinois State Census, 1830. Microfilm. Record Series 103.004, 1 roll. Illinois State Archives, Springfield, Illinois.
Illinois State Census, 1835. Microfilm. Record Series 103.005, 1 roll. Illinois State Archives, Springfield, Illinois.<;/li>
Illinois State Census, 1845. Microfilm. Record Series 103.007, 1 roll. Illinois State Archives, Springfield, Illinois.
Illinois State Census, 1855 Microfilm. Record Series 103.008, 13 rolls. Illinois State Archives, Springfield, Illinois.
Illinois State Census, 1865. Microfilm. Record Series 103.010, 18 rolls. Illinois State Archives, Springfield, Illinois.
Nonpopulation Census Schedules for Illinois, 1850–1880. NARA microfilm publication T1133, rolls 12 and 13 (partial). ARC ID: 2791274. National Archives in Washington, D.C.
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