Williamson County Illinois Historical Society

The historical society located in the old Williamson County Jail at 105 S. Van Buren in Marion, Illinois houses an excellent genealogy and historical research library. There are many displays of period furniture, tools, entertainment, clothing, military uniforms and much more. Free WiFi is made available for researchers. Our Hours of operation from February to Nov. 26th are Mon-Sat, 9:30 - 3:00. After Thanksgiving the museum is reduced to Saturday operation, 10 AM to 3 PM. The phone number is 618-997-5863.