- Born February 24, 1873 in Chicago, Cook County, Illinois.
- Parents were EDWARD GAY MASON and JULIA MARIA STARKWEATHER.
- Married JANET STEBBINS WARREN. Janet was born June 2, 1883; and died January 9, 1944. Her parents were JAMES A. WARREN and ANNIE MARIA MACK.
Julian Ellis Mack, Mack family : the ancestors and some other relatives of the grandchildren of Charles Samuel Mack (1856-1930) and Laura Gordon (Test) Mack (1871-1962) through their children : Francis Test Mack, Edward Ely Mack, Senior, Gordon Charles Mack, Cornelia Rebecc (Chicago IL: C.S. Mack, 1961)