Cover photo for Clarence "Dick" W. Thessen's Obituary
Clarence "Dick" W. Thessen Profile Photo
1930 Clarence "Dick" 2022

Clarence "Dick" W. Thessen

October 5, 1930 — September 13, 2022


Clarence W. "Dick" Thessen, of O’Fallon, MO, passed away Tuesday, September 13, 2022, at the age of 91. Beloved husband of Joan E. Thessen; cherished son of the late Edward F. and Elizabeth Thessen. Devoted father of Curtis (Margaret)Thessen, Cary Thessen, Christopher (Jennifer) Thessen, and Clinton (Angela) Thessen; loving grandfather of Anne, Ambrosia, John Paul, Katherine, Dustin, Teresa, Wil, Dane, Tucker, MaryAnn, Charles, Julia, and Maria; treasured great-grandfather of Nathaniel, Addison, Lucas, Liam, Ella, and Ava.  

Clarence proudly served in the United States Navy for 4 years. He was a member of Assumption Catholic Church in O’Fallon, Knights of Columbus Council 2269, and Knights of Columbus 4th Degree, St. Phillipine Duchesne Assembly 571. Clarence enjoyed the outdoors, fishing, and woodworking. He also volunteered for meals on wheels. Clarence was married to Joan for 66 1/2 years. He had a great sense of humor, was very good with kids, and loved his grandchildren more than anything. Clarence was dearly loved and will be greatly missed by all who knew him. 

In lieu of flowers, memorials may be made in Clarence's name to Assumption Catholic School in O’Fallon, MO.  


Baue Funeral Homes is currently following CDC recommendations regarding mask and social distancing policies. 

To order memorial trees or send flowers to the family in memory of Clarence "Dick" W. Thessen, please visit our flower store.

Service Schedule

Past Services


Wednesday, September 21, 2022

4:00 - 7:00 pm (Central time)

Baue Funeral Home - Cave Springs

3950 W Clay, St Charles, MO 63301

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Thursday, September 22, 2022

Starts at 10:30 am (Central time)

Assumption Catholic Church, O'Fallon, MO

403 N Main St, O'Fallon, MO 63366

Enter your phone number above to have directions sent via text. Standard text messaging rates apply.


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