Welcome to the
Jonathan Clark House
Museum

Jonathan Clark House

The Jonathan Clark House, located at the corner of Bonniwell and Cedarburg Roads in Mequon, Wisconsin, is a unique architectural and historical treasure that is being preserved for use by the Mequon-Thiensville community and beyond. The house was built in 1848 and was home to Jonathan and Mary Clark, their eight children and two hired men. It was not only their home but also served as a community meeting place during a time when early settlers such as Clark, his father-in-law Peter Turck and neighbor William Bonniwell were developing the government of the township. The Friends of Jonathan Clark House is a 501c3 organization with volunteers who provide fascinating historic events and awesome tours to be enjoyed by the whole family!

Preserve Local History with Your Year-End Pledge

Your year-end pledge will support the mission of the Jonathan Clark House to collect, preserve and share the history of the Jonathan Clark House and the early settlers of Mequon and Thiensville. 


Thank you for your support!

Whether you help through monetary donations, volunteering your time, or spreading our mission through word-of-mouth, thank you. We couldn't accomplish our goals without the help of supporters like you. 

Donate Online

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Pay with PayPal or a debit/credit card

Donations of all sizes are graciously accepted. If you would like to make a tax-deductible donation, you may donate online.

Contact Us

Get in Touch!

Jonathan Clark House Museum

Corner of Bonniwell and Cedarburg Roads in Mequon, Wisconsin

Jonathan Clark House
P. O. Box 634
Mequon, WI 53092
262-618-2051