When Laura Elmira Marion was born on 8 January 1885, in Eau Claire, Wisconsin, United States, her father, Frank Marion, was 50 and her mother, Emma, was 45. She married William Ernest Mason Jr. on 18 April 1909, in Chicago, Cook, Illinois, United States. She died on 5 May 1948, in Chicago, Cook, Illinois, United States, at the age of 63, and was buried in Oakwood Cemetery, Waukegan, Lake, Illinois, United States.