Marilyn was born on August 31, 1934 in Albuquerque, New Mexico to Joseph and Minnie Graham. She grew up and went to school on a ranch in Regina, New Mexico and graduated from Los Lunas High School in Los Lunas, New Mexico with the class of 1951. She and Delbert Morrison married in February of 1952 and made their home in Bosque Farms, New Mexico later moving to Estancia, New Mexico where she was a homemaker and worked part time at the Estancia Extension Office. In 1965 they moved to Clayton, New Mexico where she was a bookkeeper for a tax accountant and later for Etheridge Chevrolet. In 1974 they moved to Los Alamos where she continued as an accountant for a department store. In 1983, they bought a fishing lodge in Lake Heron, New Mexico. Mr. Morrison passed away in December of 1996. Marilyn continued to operate the lodge until ill health forced her to retire in 2019, when she moved to Peralta NM. In 2021 she moved to Buffalo, Wyoming to be near family, living there until her death.
She is survived by two sons, Rick Morrison and his wife Suzanne of Frisco, Texas and Todd Morrison and his wife Lynn of Bellingham, Washington; one daughter Shelley Bolinger and her husband Kim of Buffalo; one sister, Sandra Williams of Brooklyn, New York; nine grandchildren and eleven great-grandchildren. She was preceded in death by her parents, her husband, one grandson, one sister and three brothers.