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Established in 1955, the Libertyville-Mundelein Historical Society collects and preserves historical material and information relative to Libertyville, Mundelein and surrounding areas in Lake County, Illinois. The 1878 Ansel B. Cook House, listed on the National Register of Historic Places, is home to the society’s archives and Victorian museum. Please feel free to browse our website to learn more about the society, our events, and ways you can participate in preserving the community's past for future generations!

The Lake County Fair in Libertyville: Vintage Postcards from the early 1900s
July 16-18
St. Lawrence Church
Open during Car Fun on 21, Farmers Market and Out to Lunch

The Cook House is open Sundays in June, July and August from 2pm to 4pm.

Libertyville-Mundelein Historical Society
413 N. Milwaukee Ave
Libertyville, IL 60048-2280