John Dumas Obituary
John “Jack” Steven Dumas, of O Fallon, MO, passed away Sunday, January 18, 2026, at the age of 74. Beloved husband of Susan Dumas; cherished son of the late Roland and Marilyn Dumas; devoted father of Deryck (Becky) Dumas; dear brother of Lawrence (Linda) Dumas and Daniel (Mary) Dumas; loving grandfather of Gage, Owen, and Aly Dumas; treasured uncle to many nieces and nephews; dearest brother-in-law to Cynthia Skelton. John is preceded in death by his brother, Roland Edward Dumas.
Jack was a proud member of the VFW, Amvets, and the Elks Lodge of DeSoto, and he lived an active, service-filled life. An avid softball player, he also gave his time as a basketball coach at his church, sharing his love of sports and mentorship with others. A lifelong Cardinals fan and a devoted dog lover, Jack found joy in both the simple pleasures and the communities he cherished. He was dearly loved and will be greatly missed by all who knew him.
311 Wood St., O'Fallon, MO 63366
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