Clella Smith Quillen, age 89 of Crossville, passed away April 14, 2020. She was born November 2, 1930 in Clarkrange, the daughter of Alonzo and Ida Mae Barringer Sidwell. She was retired after many years as an assistant supervisor in the classified dept. at TAP Publishing and attended First United Methodist Church in Crossville. She is survived by her daughters: Karen Dalton of Cookeville, Gina Nie (James) of Battle Ground, Waskington, Krista Kemmer of Crossville, and Deborah Quillen of Crossville; son: Bill Quillen Jr. (Ann) of Crossville; and sister: Wilma Wyatt of Crossville. Private family graveside services will be held Tuesday April 21, 2020 at Green Acres Memory Gardens.