Dennis L. Duvall, resident of Shawnee, OK passed away on Wednesday, July 27, 2022 in Oklahoma City. He was 82 years old. A memorial ceremony will be held on Saturday, July 30, 2022 at 11:00 A.M. at Liberty Baptist Church. Dennis was born on September 10, 1939 in Shawnee, Oklahoma to Roy L. and Fern P. (Shivers) Duvall. He married Lavaun Bergschneider on July 14, 1972. He was a paint contractor, a member of Liberty Baptist Church, and served in the United States Army. He was preceded in death by his wife, Lavaun Duvall, parents, Roy and Fern Duvall, brother, Donald Duvall, sister, Cherrill (Duvall) Gaddy and daughter, Kathy Duvall. Dennis is survived by his sons, Josh Duvall and Jeremy Duvall of Shawnee, Oklahoma, daughter and son-in-law, Staci and Lance Seymour of Houston, Texas, son, Dennis Minard of Choctaw, granddaughters, Danielle Robinson and Morgan Farmer both of Houston, Texas, Destiny Duvall of Shawnee, Oklahoma and Jackson Seymour of Houston, Texas, great-grandsons, Isaiah Robinson and Cody Fergueson both of Houston, Texas, sister, Marcelle (Duvall) Nugent of Dallas, Texas, and numerous nieces, nephews, and cousins.