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: 

In the Don Silldorff Archives

Links & Resources

The Mequon-Thiensville Historical Society thrives on the generosity of donors and local organizations.  Below is a list of recent acquisitions to the Don Silldorff Archives:

NOTE:  Scroll down to see archived MTHS Newsletters.

Roy Wetzel
• Images of Jahn’s School, class of 1918 and 1949.
• Poster of Nieman Silver Fox.
• Newspaper page from the Thiensville Reporter, 1936.

Kathy Hoffman
• 4 photos including Clara and Ruth Droege, Frieda Droege Kurz and John Kurz.
• 1959 well pump inspection and water tests on house owned by Kathy Hoffman.

Marion Thurk of Fairhope, AL
• WWII uniform belonging to her husband.
• Various books regarding WWII, Carl Wilbert’s school books, and more!

Duane Bogenschneider
• Bogenschneider family history and geneology, Vol 1.

Ozaukee County Historical Society (Gregory Wenzel,
West Bend)
• Milwaukee River picture, circa 1983, by Joe Janke.

Barbara Boesch Johnson
• St. Cecilia Parish documents, articles and 1961-62 class picture
• Picture of Thiensville State Bank and Thiensville High School basketball team.
• Picture of Thiensville (Grand Ave.) Grade School circa approximately 1926 or 27.
• Image of Johan Boesch farm house, circa 1890s.
• Images from Boesch picture album.
• Image of Gilbert Shoe Company.
• Edgar Boesch family records and images.

MTHS Newsletter Archives

The Mequon Thiensville Historical Society is part of a large network of groups who collect, store, and share historical information, research, and archival material.   Other resources include:

Frank L. Weyenberg Library           
Ozaukee County Historical Society
Wisconsin Historical Society          
Milwaukee County Historical Society
Wisconsin Genealogy Website            
Wisconsin Vital Records                 
U.S. Genealogical Website             
Jonathan Clark House Museum      

To view digital copies of several historic Thiensville and Mequon books and documents, please go to  These are available thanks to the cooperation of the Weyenbery Library and the MT Historical Society.

To read a fascinating history of Mequon's City Hall written by our MTHS Historian, Don Silldorff, go to

  • Fall
  • Summer
  • Spring
  • Winter

  • Fall 
  • Summer
  • Spring
  • Winter

Terry Schoessow:
• Records regarding school district #3, 1950s to 1970s.
• Posters of Thiensville in pictures.

Suzy Geidel Egelhoff:
• 1939 postcard of the Old Mill, Thiensville, WI.

Carl Buettner
• Arrowheads and newspaper article on Thiensville’s Indian dig.
• Painting of ducks crossing a street by Carl

Buettner and duck crossing tee-shirt.
• Letters, 1958 image of Blume children, article on oldest Lutheran Church in area, and more.

Robert and Amy Gierach (from Palmer and Edna Mueller Gierach Collection)
• Plat map of Washington/Ozaukee 1873 - 1874.
• Map of Wisconsin, 1873.

Barbara Hansen
• Hand-made victorian style doll house, fully

Jonathan Clark House
• Painting of O’Leary Farm buildings on N. Green Bay Road.

Peter Plautz
• Plautz family images and newspaper article.