Career
Born in Philadelphia, Pennsylvania, Cartwright was ordained a priest for the Roman Catholic Archdiocese of Philadelphia on June 11, 1927. On August 3, 1956, Cartwright was appointed titular bishop of Neve (Nebo) and coadjutor bishop, with right of succession, of the Wilmington Diocese. And was consecrated bishop on October 24, 1956.
He died while still coadjutor.