The Historical Society office is open year round, Monday through Friday from 9:00 a.m. until 4:30 p.m. We are closed most state and federal holidays.
McHenry County Historical Society
6422 Main Street, P.O. Box 434 Union, IL 60180
Please contact us by phone at (815) 923-2267 or email at info@mchsonline.org
Oral History Questionaire
Please complete questionnaire. Your questionnaire will be on file in our Local History Research Library at the Museum. Thank you for your participation.