Born: November 7, 1875, Sheffield, Vermont.
Died: June 25, 1920, Brockton, Massachusetts.
Buried: Melrose Cemetery, Brockton, Massachusetts.
A Methodist Episcopal minister, Ora was the son of Isaac Keniston Gray and Martha Harriet Maria Duntley, and husband of Marion Emily Clark (married 1907).
Gray had a national reputation as a scholar and lecturer.
As of 1908, he was living in Amherst, Massachusetts.