When Pearl Alice Anderegg was born on 25 February 1913, in Rexburg, Madison, Idaho, United States, her father, Peter Anderegg, was 43 and her mother, Margarita Staehli Roth, was 40. She married John Montrose Anderson on 16 June 1936, in Bonneville, Idaho, United States. She died on 20 July 2012, in Layton, Davis, Utah, United States, at the age of 99, and was buried in Logan, Cache, Utah, United States.