Her oldest brother, Leonard Wilson Marshall, was born on October 9, 1916, in Dawes, Nebraska. Her brother, Lavern Herbert Marshall, was born on July 30, 1918, in Hemingford, Nebraska. Her sister Margaret Vivian Marshall was born on March 6, 1924, in Johnstown, Nebraska. Her brother, Jesse George "Jr" Marshall, was born on October 28, 1933, in Ainsworth, Nebraska. Her youngest brother Frank "Frankie" Eugene Marshall, was born on August 21, 1937, in Ainsworth, Nebraska.
Mary married Kenneth Lee White on April 13, 1947, in her hometown. They had two children during their marriage, Gregory A. White was born on November 12, 1950, and Charlene White was born on April 26,1952.
Kenneth proceeded Mary in death on October 17, 1988, at the age of 62.
Mary died on September 20, 2022, in Thornton, Colorado. She will join Kenneth at their final resting place in Olinger Crown Hill Cemetery in Wheat Ridge, CO.