April 1, 1937, Hennepin County, Minnesota.
Lakewood Cemetery, Minneapolis, Minnesota.
William was the son of Adam and Elizabeth P. Pontius, and husband of Abbie C. Beale of Mansfield, Ohio.
He was educated at Normal University, Ada, Ohio (MusD), and studied music with Frank Herbert Tubbs, and with Francisco Cortezi in Italy.
He is remembered as a conductor, composer, tenor, and teacher. At one time he was Director of the Minneapolis School of Music.
He composed sacred and secular songs, anthems, duets, and quartets.