Education
Guilfoyle was born near Punxsutawney, Pennsylvania, and studied at Saint Bonaventure College in Olean, New New York
Guilfoyle was born near Punxsutawney, Pennsylvania, and studied at Saint Bonaventure College in Olean, New New York
He was ordained to the priesthood on June 2, 1917. He then served as a curate at Saint Stephen Church in Oil City until 1921, when he became secretary to Bishop John Mark Gannon. He also served as pastor of Saint Peter"s Cathedral and chancellor of the Diocese of Erie.
On August 8, 1936, he was appointed Bishop of Altoona by Pope Pius XI. He received his episcopal consecration on the following November 30 from Archbishop John Mark Gannon, assisted by Archbishop Thomas Walsh and Bishop Francis Joseph Tief.
He later died at age 64.