After retirement of her husband as the President of the United States, Mamie and her husband returned to Gettysburg. They lived there eight years retirement together. In 1969, her husband died. Mamie continued to live on the farm. She died on 1st November 1979. At the time of her death she was 82 years old. Her grave lies by the side of her husband’s grave in a small chapel. The chapel is a part of the Eisenhower Library in Abilene, Kansas.