Mize, Robert Herbert was born on February 10, 1870 in Chicago, Illinois, United States. Son of Edward A. and Caroline (Silliman) Mize.
Bachelor of Arts, St. Stephen’s College, Annandale, New York, 1894, Doctor of Divinity, 1921. Graduate General Tehol. Seminary, 1897, Doctor of Divinity, 1923.
Deacon and priest, 1897, Protestant Episcopal Church. Rector, St. John’s Church, Hiawatha, Kansas, 1897-1898, St. John’s Military School, Salina, Kansas, 1898-1906, St. Andrew’s Church, Emporia, Kansas, 1906-1912, St. Paul’s Church, Kansas City, Kansas, 1912-1921. Bishop of Salina, 1921-1939, resigned January 1, 1939.