Research in LaSalle County
Ottawa:
LaSalle County Court Houses in Ottawa
- Downtown Courthouse, Madison Columbus St., Ottawa. Hours: 8:00 - 4:00 Mon. - Fri., this Courthouse contains the following records (starting date listed)
- Probate 1839
- Court 1870
- Naturalization 1840
- School 1900's
- Criminal Justice Center, 707 Etna Rd., N. Ottawa. Hours 8:00 to 4:00 Mon.-Fri. This Courthouse contains the following records (starting date listed):
- Marriage 1831
- Birth 1877
- Death 1877
- Land 1819
Other sources in Ottawa
- Reddick Library
- Genealogy Guild with research library
- LDS Family History Center
Utica:
- LaSalle County Historical Society
Streator:
- Streatorland Historical Society
Other Towns in the County:
- Local Libraries