When Ella Cecilia Aagvik was born on 5 July 1903, in McKenzie, North Dakota, United States, her father, Nils Jacobson Aagvik, was 41 and her mother, Othea Fagerlie, was 28. She married Ivar Kjelstad on 7 July 1925, in McKenzie, North Dakota, United States. They were the parents of at least 1 son and 1 daughter. She lived in Farland Township, McKenzie, North Dakota, United States in 1940. She died on 16 May 1986, in Watford City, McKenzie, North Dakota, United States, at the age of 82.