Robinson, Henry Douglas was born on March 15, 1860 in Lowell, Massachusetts, United States. Son of Alexander Douglas and Clara (Boate) Robinson.
Bachelor of Arts, Racine College, 1884, Master of Arts, 1887 (Doctor of Divinity, 1902). Post-graduate work, University of Chicago, 1895.
Instructor mathematics, San Mateo (California) Military Academy, 1885-1889. Headmaster, 1889-1900, warden, since 1900, Racine College Grammar School Deacon, 1886, priest, 1888, Protestant Episcopal Church. Missionary bishop of Nevada, since 1907.