When Katie Louise Poulson was born on 3 November 1910, in Ephraim, Sanpete, Utah, United States, her father, Elmer Alfred Poulson, was 21 and her mother, Jennie Bjerrgaard, was 20. She married Lyman D Larson on 12 June 1931. They were the parents of at least 1 daughter. She lived in Mayfield Election Precinct, Sanpete, Utah, United States in 1940. She died on 23 May 1993, in Mayfield, Sanpete, Utah, United States, at the age of 82, and was buried in Ephraim, Sanpete, Utah, United States.