Mequon-Thiensville Historical Society

A Tax Exempt 501 (c)(3) Non-Profit Organization Since 1988

216 Green Bay Road, Ste 102  Thiensville, WI  53092

Tele:  262-242-3107     Email: 

MTHS Thanks our July 30th 

Event Sponsors

Presenting Sponsor:  Fromm Family Pet Foods

Founding Sponsors:   Merrill Lynch

              Sommer's Automotive

              Former Mayor Connie Pukaite

               Charter Manufacturing

               Gordie Boucher Village Ford

Pioneer Sponsors:    the cheel, MT Optimist Club, Rockwell Automation and TM Rotary Club

Settler Sponsors:   Shaffer Development, Newcastle Place,

Mequon Woman's Club, Port Washington State Bank,

Lakeside Development and Dough Hansen Insurance

MTHS Calendars Available

MTHS Grateful to Community

Thiensville’s History of No Churches between 1839 and 1919

5 Questions (by Bob Blazich re: City of Mequon)
News Graphic, August 2017

1. Mequon just celebrated its 60th birthday. Some might be surprised Mequon hasn't been a city for longer. What led up to the decision to incorporate as a city?

Mequon became a township in 1846 and remained as the mostly agricultural Town of Mequon into the 1950’s.  As the suburbs developed around Milwaukee as part of the post-war housing boom, several suburban Milwaukee communities were part of an often hostile annexation frenzy.  The Town of Mequon was in a very vulnerable position having five legal municipalities on its borders.  Cedarburg annexed land along Cedarburg Road south of Pioneer Road, Bayside annexed land in the far southeast corner of the township and Thiensville was preparing to annex over 600 acres of the township.  Thiensville had, of course, already left the township when it became a village in 1910.  A second major issue was having the township governed by only a three-member board of supervisors as the demands for development and public services increased.  READ MORE HERE

By Bob Blazich   December 2017
For the News Graphic

John Henry Thien, the founder of the hamlet that would eventually bear his name, came to this area from Saxony (now part of Germany) in 1842.  Had he stayed in Saxony, he probably would have become a martyr in the failed revolution of 1848.

Thien believed that organized religious groups and the feudal system of the barons and dukes were responsible for the authoritarian oppression that gripped much of Europe at the time.  He and his wife left Saxony to find a place where they could enjoy liberty and freedoms in line with the American Declaration of Independence.

While the Pomeranian settlers came to the Freistadt area in search of Freedom Of Religion, Thien settled just three miles to their east searching for Freedom From Religion.  

Isham Day House plans praised by Mequon aldermen
By Gary Achterberg   12/22/16
News Graphic Staff

MEQUON — A proposal to convert the historic Isham Day House into a postal museum got an enthusiastic endorsement Dec. 13 from the Mequon Common Council.

Sam Cutler, a longtime area resident, has proposed improving and remodeling the building across from Mequon City Hall to reflect one of its earliest uses as a regional post office.

He wants to transform part of the building into an old-time post office with historical displays. The remainder of the building would become a postage stamp gallery, housing Cutler’s extensive collection and other items donated to the Mequon-Thiensville Historical Society...   READ MORE HERE

MTHS is in the News!


Check out recent news articles and  periodicals that feature what's happening at the Mequon-Thiensville Historical Society.

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Stamp of Approval

In the News

Mequon Celebrates 60 years

By Bob Blazich, President of the Mequon-Thiensville Historical Society.

News Graphic,  9/28/16

The Mequon-Thiensville Historical Society (MTHS) has enriched the local community for nearly 30 years. Originally founded as the Mequon Historical Society and built around the personal collection of Don and Bev Silldorff, the village of Thiensville was added to the name and focus of the organization in 2012. Since its inception, the mission of the society has been to gather, preserve and share the documents, genealogies, photographs and maps of the former town of Mequon and the two communities that formed from the original town.  READ  MORE HERE

THIENSVILLE — The Mequon-Thiensville Historical Society’s 2017 calendar is now available.

News Graphic Staff  12/15/16

The calendar, which includes historic photographs, is available at Suburban Motors Harley-Davidson, 139 N. Main St. and Thiensville Village Hall, 250 Elm St. They may be obtained at the Historical Society’s office, 216 Green Bay Road; call 262- 242-4653 for hours.

Anyone who takes out a membership for themselves or as a gift will receive a complimentary copy of the calendar; annual taxdeductible memberships begin at $15.

The calendar was produced by Jenny Hamm and Bev Silldorff, members of the MTHS Board. Calendars are made available through a sponsorship from Suburban-Motors Harley-Davidson.  


St. Cecilia's Catholic Church

Thien established a Free Thinkers Society and constructed a Liberty Pole in front of his mill to remind people of their basic rights of life, liberty and the pursuit of happiness.