Born: November 25, 1842, Roxbury, Massachusetts.
Died: May 8, 1915, Dayton, Ohio.
Buried: Woodland Cemetery and Arboretum, Dayton, Ohio.
Henry was the son of philanthropist Gardner Colby and Mary Low Roberts, and husband of Mary Lizzie Chamberlin.
He was educated at Brown University, Providence, Rhode Island (AB 1862, AM 1865, honorary DD 1882); and Newton Theological Institution, Newton, Massachusetts, 1867.
He served as president of the American Baptist Missionary Union (1865–68); held a pastorate at Dayton, Ohio (1868–1903); was president of the Board of Trustees, Denison University; and served as president of the Ohio Baptist Convention (1883–86).
His hymn Waiting on the Eve of Labor was sung at the graduation of his class at Newton Theological Institution, June 26, 1867.