Dennis Renner ObituaryObituary published on Legacy.com by Kalmer Memorial Services on Mar. 16, 2026.Dennis Renner, age 75, of O'Fallon, died at 3:33 a.m. Sunday, March 15, 2026 at his residence.He was born July 4, 1950 in Perryville, MO, the son of the late Wilfred and Ruby (Otto) Renner.Dennis is survived by two sons: Justin (Rachel) Renner of O'Fallon and Jared Renner, also of O'Fallon; three grandchildren: Joshua Dunn, Jameson Renner and Rebecca Renner; one great-grandchild, Bentley Dunn; and four siblings: Rick (Rita) Renner of Lebanon, Ronnie (Darlene) Renner of O'Fallon, Kenneth Renner and Robert Renner.Besides his parents, he was preceded in death by a granddaughter, Brook Renner.Mr. Renner was employed as a truck driver. He was very involved in his community by formerly serving on the board of Central School District 104. He was also formerly an Alderman in O'Fallon, Ward 5 and served on the St. Clair County Board.According to his wishes, his remains will be cremated and no services will be held.To plant trees in memory, please visit the Sympathy Store.
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