Karen S. Buch

Karen S. Buch (nee Onnen), of Saint Peters, MO, passed away Thursday, April 9, 2026, at the age of 77. Beloved wife of the late Peter Buch; cherished daughter of the late Arthur Onnen and Edith Bosley; devoted mother of Dawn (Bill) Rebhan, and Kelley (Scott) Ziola; loving grandmother of Allyson (Steven) Dorsey, Adam (Kelsie) Rebhan, Sarah Ziola, and Amanda Ziola; treasured great-grandmother of Jack Dorsey, and Baby Rebhan on the way; dear sister of Sharon Miller, and sister-in-law of Mary Jo Shriver, Margaret Linder, and the late Terri Buch; precious aunt of Scott Miller, and Shane Miller.

Karen had a deep love for life’s simple pleasures and spontaneous adventures. She enjoyed visits to the casino, traveling to National Parks, and cherished a special trip to Germany with Mary Jo. A true foodie at heart, Karen delighted in desserts and discovered new flavors wherever she went. She embraced the joy of setting out with no particular destination, finding happiness in the journey itself. Karen also loved reading, spending time outdoors, and relaxing with her favorite shows, including NCIS and the Hallmark Channel. Karen was deeply loved and will be greatly missed by all who knew her.