When Viola Thomason was born on 9 November 1905, in Thornton, Madison, Idaho, United States, her father, Charles Richard Thomason, was 36 and her mother, Marie Kerstine Hintze, was 32. She married Joseph Walther Mueller on 31 July 1933, in Bountiful, Davis, Utah, United States. She lived in Independence, Fremont, Idaho, United States in 1910. She died on 5 December 1999, in St. George, Washington, Utah, United States, at the age of 94, and was buried in St. George, Washington, Utah, United States.