- Born February 14, 1847 in Owosso, Shiawassee County, Michigan.
- Parents were EZRA L. MASON and HARRIET FINN WHEELER.
- Married MARTHA SHELTON on December 24, 1872. Martha was born August 27, 1852 in Huntingtonshire, England; and died June 15, 1915 in Ocosta, Grays Harbor County, Washington. Her father was WILLIAM SHELTON.
- Died July 1, 1881 in Gaylord, Otsego County, Michigan.
- CLYDE SHELTON MASON, born in 1873; died April 3, 1929.
- CLARA MASON, born and died in 1879.
- MARY L. MASON, born in 1880; died June 4, 1954.