Joan C. Ralls Rush passed away on December 28, 2017 in Edmond, OK. Joan was born November 15, 1920 in Hugo, OK, the daughter of Ernie and Mary Ralls. She was preceded in death by her parents, her husband of 50 years, Bill Rush, granddaughter, Kelly Thomas, brothers, Kelly Ralls and wife, Merle, Harrell Ralls and wife, Inez and Jack Ralls, sisters, Pat and husband Oliver Keith, Dorothy and husband, George Kalio, nephews Chuck Keith, Ronnie Rogers and Jay Ralls and niece JoBeth Ralls. She is survived by her son, Mike Rush and wife, Paula of Ardmore, OK, daughter, Linda Thomas of Edmond, OK, brother, Wayne Ralls and wife, Ozelle of Ardmore, OK, granddaughter, Courtney Park and husband, Richard of Montreal, Canada, great grandchildren, Zoe, Merrick, Lily, Mimi and Ollie, sister-in-law, Charylne Ralls of Port Townsend, WA, cousin Golden Whitley of Amarillo, TX and many loved nieces and nephews. Joan was a member of Mayridge Baptist Church Graveside services will be held at 1:00 PM on Saturday, January 6, 2018 at the Hillcrest Memorial Park in Ardmore, OK.