LaSalle County ILGenWeb is a free genealogical site about the history of the county.
It is a member of ILGenWeb,
which is a member of USGenWeb®.
We hope you find helpful clues for your research of LaSalle county ancestors.
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.
County Coordinator: Norma Hass normahass01@gmail.com
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 |
