John Castleman, age 81, of Harriman, passed away January 7, 2021 at his home. He retired from Johnson & Galyon Construction Company. After retirement, John loved working in his yard and workshop. He was preceded in death by his parents: Clarence & Gladys Castleman; and brothers: Thomas Castleman and Jack Castleman. He is survived by his wife of 55 years: Scherel Castleman; sisters: Jenny Wilson of Knoxville and Carolyn Tidwell of Harriman; brother-in-law: Herbert Shields; and many nieces, nephews, and friends. Family and friends will meet at 1 p.m. eastern Tuesday January 12, 2021 at Davis Funeral Home in Harriman. Graveside services will follow at Roane Memorial Gardens in Rockwood. Davis Funeral Home in Harriman is honored to serve the Castleman family.