Saint Peter Damian

CatholicSaints.Info: Peter Damian CatholicSaints.Info: Peter Damian- Profile. Never formally canonized, although he is a Doctor of the Church. With links. A Saint a Day: St. Peter Damian A Saint a Day: St. Peter Damian- The story of his life, suited to children. Catholic Encyclopedia: St. Peter Damian Catholic Encyclopedia: St. Peter Damian- Cardinal, Doctor of the Church. Died in 1072. Biographical article. Saint Peter Damian, or of Damian, Cardinal, Bishop of Ostia Saint Peter Damian, or of Damian, Cardinal, Bishop of Ostia- From Alban Butler's Lives of the Saints.