When Uella Bowles was born on 19 February 1900, in Osmond Community, Uinta, Wyoming, United States, her father, Robert Glasby Bowles, was 39 and her mother, Elizabeth Amelia Sharp, was 31. She married Russell Sage Sillivan on 6 August 1918, in Boise, Ada, Idaho, United States. They were the parents of at least 3 daughters. She lived in North Emmett Election Precinct, Gem, Idaho, United States in 1940 and Arco, Butte, Idaho, United States in 1953. She died on 19 February 1982, in Bend, Deschutes, Oregon, United States, at the age of 82, and was buried in La Grande, Union, Oregon, United States.