When Florence Joy Thompson was born on 15 September 1909, in Cheyenne, Laramie, Wyoming, United States, her father, William Henry Thompson, was 34 and her mother, Nannie Ellen McFeely, was 32. She married Herbert Edward Sprague on 10 July 1929, in Greeley, Weld, Colorado, United States. She lived in Laramie, Albany, Wyoming, United States in 1930 and Election Precinct 46 Drake, Larimer, Colorado, United States in 1940. She died on 25 June 1987, in Phoenix, Maricopa, Arizona, United States, at the age of 77.