This is a copy of the Feb 2022 version of LaSalle County ILGenWeb. The current version is available at
lasalle.illinoisgenweb.org
LaSalle County ILGenWeb is a free genealogical site about the history of the county. We hope you find helpful clues for your research of ancestors and relatives of LaSalle county.
Are you familiar with the area? Do you have a family tree connection to the area? Volunteers are always needed! Please consider contributing your pieces of LaSalle County family history. Corrections, updates, and additions to this site are always welcome. If you are interested in helping, please contact the ILGenWeb State Coordinator.
County Coordinator: YOU? LaSalle County ILGenWeb is AVAILABLE FOR ADOPTION.
LaSalle
County was established in 15 Jan 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.
| Lee | DeKalb | Kane |
| Bureau |
 |
Kendall |
| Putnam | Grundy | |
| Marshall | Woodford | Livingston |
