Clarence Allen C.A. Gilreath, 77, of Kingsport, died Monday at Holston Valley Medical Center. The family will receive friends from 5 to 7 p.m. Wednesday at Carter-Trent Funeral Home, Kingsport. A funeral service will follow at 7 p.m. in the funeral home chapel. A military graveside service will be conducted at 1 p.m. Thursday at Oak Hill Memorial Park.