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IN LOVING MEMORY OF
Sep 5, 1944 — Apr 14, 2025
Warrenton
Larry George Dettmer of Warrenton, MO, passed away on Monday, April 14, 2025, in his home, at the age of 80 years. He was born on September 5, 1944, in St. Louis, Mo, to Henry and Lillian (nee: Mathias) Dettmer. He was the youngest of three boys.
Larry graduated from Ritenour High School and was drafted into the United States Army during the Vietnam Era. He was united in marriage to Doris Fritsche on June 7, 1969. They made their home in St. Charles, where they raised their children and lived for 45 years. Larry was a member of the First Baptist Church of Harvester. He started his career as an insurance agent, but ended up on many different paths. Larry and Doris retired to Warrenton, where he spent his remaining eight years. Larry loved their rural property, spending time outdoors, mowing, mowing and more mowing. He loved his family, barbecuing, frying fish, being with grandchildren and great grandchildren. He liked to tell stories and jokes.
Larry Dettmer is survived by his wife, Doris Dettmer of Warrenton; his sons, David Dettmer and wife Renee of St. Peters, Joe Dettmer and wife Brooke of Warrenton, Bill Dettmer of St. Charles; his daughter, Becky Fitzgerald and husband Stephen of Lake St. Louis; grandchildren, Andy Dettmer (Katie), Austin Dettmer (Shanda), Clayton Dettmer (Brittany), Claire Chandler (Nathan), Michael Reza and Ava Dettmer; great grandchildren, Austin Jr, Lorelei and Kohen and two more on the way; other relatives and friends. He was preceded in death by his parents, Henry and Lillian; two brothers, Wilbert and Donald Dettmer; one nephew, James.
A graveside service will be held in honor of Larry Dettmer on Thursday, April 17, 2025 at the Warrenton City Cemetery beginning at 11:00 AM with full military honors. Online condolences may be made at martinfuneral.net.
Thursday
Warrenton City Cemetery
Starts at 11:00 am
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