- Born in 1899 in Highland Park, Lake County, Illinois.
- Parents were HENRY EAGER MASON and MARGARET DALTON KERFOOT.
- Married ELIZABETH LOUDERBACK in 1937.
- WILLIAM J. LOUDERBACK MASON, born in 1939.
Robert R. Kearfott, Kerfoot, Kearfott and allied families in America (unknown: privately published by members of the family, 1948), Page 144