Mary Beth Koelbl Obituary
It is with great sadness that we announce the death of Mary Beth Koelbl of Oshkosh, Wisconsin, who passed away on December 1, 2025, at the age of 86, leaving to mourn family and friends. Family and friends are welcome to leave their condolences on this memorial page and share them with the family.
She was predeceased by: her parents, Wilbur Siewert and Marjorie Siewert (Faber); and her sister Ellen Hewitt (James). She is survived by: her husband Gary Koelbl; her children, Jean Koelbl (Matt), Katherine Dahlke (Jeanne) and Andrew Koelbl (Rachel); her grandchildren, Emma, David, Michael, Ben, Charles and Breanna (Parker); her great grandchildren, Devin and Dylan; her sister Kathy Champeny (Ron); and her friend Alyssa.
Visitation will be held on Saturday, December 13th 2025 from 11:00 AM to 1:00 PM at the Konrad-Behlman Funeral Homes-Westside (100 Lake Pointe Dr, Oshkosh, WI 54904). A funeral service will be held on Saturday, December 13th 2025 at 1:00 PM at the Konrad-Behlman Funeral Home-Westside (100 Lake Pointe Dr, Oshkosh, WI 54904).
We would also like to give many thanks to Grace, Tanya, and Linda for unparalleled devotion and care given to assure Peachy lacked for nothing while battling Alzheimer's.
