When Marion Elmer Edmonson was born on 3 November 1903, in Idaho, United States, his father, Francis Marion Edmonson, was 32 and his mother, Texie Elizabeth Carr, was 20. He married Margret Ann Nette on 12 December 1923, in Clearwater, Idaho, United States. They were the parents of at least 1 son and 1 daughter. He lived in Clearwater, Idaho, United States in 1930 and Orofino Election Precinct 1, Clearwater, Idaho, United States in 1940. He died in June 1969, in Nez Perce, Idaho, United States, at the age of 65, and was buried in Lewiston, Nez Perce, Idaho, United States.