When Mabel Augusta Fengstad was born on 5 June 1908, in North Dakota, United States, her father, Soren Andrew Fengstad, was 27 and her mother, Selma Olivia Hansen, was 27. She married Selmer Martin Espeland Senior in May 1931, in Montana, United States. She lived in Assiniboia, Saskatchewan, Canada in 1911 and Saskatchewan, Canada in 1916. She died on 16 October 2001, in Outlook, Sheridan, Montana, United States, at the age of 93, and was buried in Plentywood, Sheridan, Montana, United States.