Sheila Ann Tumleson born September 14, 1954 to Don and Wanda Wickoff in Lincoln, Nebraska and passed away July 7, 2026 in Ada, Oklahoma.] Sheila graduated from Eufaula High School 1972 then graduated from Northeastern State University in Tahlequah with a Bachelor of Science degree in 1987 and received a Masters of Special Education in 1988. Sheila married Tony Tumleson February 14, 1988.

She gave birth to her daughter Callie Mae, September 23, 1990. She was blessed to be a Ganny twice October 24, 2014, Rhemi Romberg and May 22, 2019, Rhidlee Brewer. Sheila is preceded in death by her parents, Don and Wanda Wickoff, grandparents; Frank and Alta Wickoff and Effie Headinger. She is survived by her daughter Callie Mae Tumleson and husband Cody Brewer of Holdenville, 2 granddaughters, Rhemi and Rhidlee of Holdenville, Tony Tumleson of Owasso, sister Robena Peters and husband Tom of Wetumka, brother Ronnie Wickoff of McAlester, niece Melissa Kincade and husband Tim of Wetumka, nephew Mathew Peters and wife Crystal of Holdenville. Sheila is survived by several great and great, great nieces and nephews.

Memorial service was held 2:00 p.m. Friday, July 10, 2026, at Hudson-Phillips Funeral Home Chapel in Holdenville.

Services were under the direction of Hudson-Phillips Funeral Home, Holdenville.