Mary Lillian Davis, age 91, of Harriman, passed away peacefully Saturday, August 15, 2020. She is survived by her son: Wesley Allen Thomas (Sharon) of Harriman; former daughter-in-law, Kathy Russell (Kevin) of Oak Ridge; grandson: Jon Wesley Thomas (Renee) of Florida; granddaughters: Kerri Mount (Ronald) of Powell and Sherry Green (Michael) of Harriman; great grandchildren: Courtney and Kristen Thomas, Addison, Chloe, and David Ashley, and Gavin and Jacob Green; brothers-in-law: Lowell Thomas (Barbara) of Oak Ridge and Hugh Thomas (Nancy) of Oak Ridge; sister-in-law: Linda Lobell (Phillip) of New Orleans; special friends: Johnny Pridemore of Clinton, Jolene Mello, Nolen Headrick, and Caitlin Headrick of Oak Ridge. A graveside service will be held Tuesday, August 18, 2020 at 1 p.m. eastern at Oak Ridge Memorial Park. The family requests in lieu of flowers, donations be made to St. Jude’s in memory of Mary Lillian Davis.