There are many times when researching Illinois ancestors, that you need to consult the laws in place at the time your ancestor was living. The Western Illinois University Libraries site has started a new website entitled Laws of Illinois which lists not only current state laws but also the following time periods:
Prior to Statehood
Prior to Statehood
- Northwest Territory
- Indiana Territory
- Illinois Territory
- The Road to Illinois Statehood
- Illinois State Constitution
- 1818-1839
- 1840-1849
- 1850-1859
- 1860-1869
- 1890-1920
- Recent/Current
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