Martha H. Mellgren, 76, of Sheridan, died Friday, Feb. 8, 2019, at Sheridan Memorial Hospital. A memorial service will be held at 11 a.m. Tuesday, Feb. 12, 2019, at Trinity Lutheran Church, 135 Crescent Drive, with Pastor Phil Wold officiating. Online condolences may be written at Arrangements are under the direction of Champion Funeral Home.