When Eudora Chase was born on 13 October 1847, in Rock, Wisconsin, United States, her father, Job Joseph Chase, was 45 and her mother, Lucy Farnsworth Butterfield, was 43. She married John Thomas Appleby Jr on 4 April 1868, in Avon, Rock, Wisconsin, United States. They were the parents of at least 3 sons and 1 daughter. She lived in Davis, Turner, South Dakota, United States in 1900 and Capa, Jones, South Dakota, United States in 1910. She died on 18 January 1916, in Parker, Turner, South Dakota, United States, at the age of 68.