Born: June 9, 1865, Providence, Rhode Island.
Died: February 14, 1935, Wellesley, Massachusetts.
Buried: Woodlawn Cemetery, Wellesley, Massachusetts.

Clarence was the son of John A. Hamilton and Mary E. Prentice, and husband of Ada Alice Anthony.
He attended Brown University (BA 1888, AM 1900, Phi Beta Kappa).
He taught at a private preparatory school in Providence (1888–89), and taught music in Providence, chiefly piano and theory (1889–1904).
As of 1930, he was chair of the music department at Wellesley College.
He was organist and choir director at several churches, contributed articles to various musical journals, and was secretary of the Northeast Chapter, American Guild of Organists.