Mary Catherine (Moler) Keller, 78, of Zanesville, formerly of McConnelsville, passed away at 12:25 a.m. Saturday, Dec. 26, 2020, at the Hospice wing of Genesis Hospital, in Zanesville, due to Progressive Supranuclear Palsy (PSP) complicated by the effects of COVID-19. She was born on April 22, 1942, in Homer Township, Morgan County, Ohio, the only daughter of ten children born to George and Freda (Fielder) Moler. Mary was a 1960 graduate of M-M High School and a 1963 graduate of Good Samaritan School of Nursing. She married her husband of 55 years, Donald Wayne Keller, on July 18, 1965, who survives along with four children and six grandchildren. Due to COVID-19 restrictions, no funeral services will be held at this time, and a memorial service will be held at a later date. Miller-Huck Funeral Home, in McConnelsville, is in charge of the arrangements. In lieu of flowers, memorial contributions can be made to Grace United Methodist Church, 73 S. 9th Street, McConnelsville, OH 43756. Sympathy cards may be sent to her husband, Don, at 619 Orchard Hill Rd., Zanesville, OH 43701.