It is a pleasure to have you visit this free genealogical site about the history of LaSalle County, Illinois. We hope you find helpful clues for your research of county ancestors.
Your e-mail contributions will be appreciated and promptly worked for incorporation into the site. Please,
- Don't hesitate to contribute images or transcriptions of genealogical items you have about LaSalle county ancestors.
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Enjoy your stay, and come again soon!
LaSalle County was established in 1831 from parts of Putnam and unorganized Tazewell Counties. LaSalle County was named for the famous French explorer Robert de la Salle. The original LaSalle County covered parts of present-day Kendall, Livingston and Marshall counties. Its current boundaries were established in 1843.