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Ostensorium (Monstrance) Ostensorium (Monstrance)- (Catholic Encyclopedia) O'Reilly, Bernard O'Reilly, Bernard- (Catholic Encyclopedia) O'Queely, Malachias O'Queely, Malachias- (Catholic Encyclopedia) Obedience, Religious Obedience, Religious- (Catholic Encyclopedia) O'Braein, Tighernach O'Braein, Tighernach- (Catholic Encyclopedia) Our Lady of the Snow Our Lady of the Snow- (Catholic Encyclopedia) Ogdensburg, Diocese of Ogdensburg, Diocese of- (Catholic Encyclopedia) O'Higgins, Ambrose and Bernard O'Higgins, Ambrose and Bernard- (Catholic Encyclopedia) O'Connell, Daniel O'Connell, Daniel- (Catholic Encyclopedia) Old Catholics Old Catholics- (Catholic Encyclopedia) Orders, Holy Orders, Holy- (Catholic Encyclopedia) Otto, Saint Otto, Saint- Swabian courtier, was named bishop of Bamberg in 1102, and founded over twenty monasteries. Oliver Plunket, Saint Oliver Plunket, Saint- Biographical article on the professor of theology, Archbishop of Armagh and Primate of All Ireland, martyred in 1681. Odo of Cambrai, Blessed Odo of Cambrai, Blessed- Benedictine abbot, bishop of Cambrai, exiled for political reasons, d. 1113. Oswald, Saint Oswald, Saint- Archbishop of York, d. 992 while washing the feet of the poor, as was his daily custom during Lent. Olympias, Saint Olympias, Saint- Widow, deaconess, renowned for her almsgiving, and a staunch supporter of St. John Chrysostom. Othmar, Saint Othmar, Saint- First abbot of St. Gall. He died in prison in 759. Oswald, Saint Oswald, Saint- King of Northumbria and martyr, d. 642. Optatus, Saint Optatus, Saint- Fairly long essay on the life and writings of this bishop, who argued against the Donatists. He died in about 387. Odilia, Saint Odilia, Saint- Patroness of Alsace, d. 720, founded the convent of Hohenburg. Osmund, Saint Osmund, Saint- A Norman by birth, Osmund became bishop of Salisbury, and died in 1099. Oswin, Saint Oswin, Saint- Biography of the king and martyr, who was murdered in 651. Olaf Haraldson, Saint Olaf Haraldson, Saint- Martyr and King of Norway, d. 1030. Odo, Saint Odo, Saint- Benedictine monk, Archbishop of Canterbury, died in 959. Odilo, Saint Odilo, Saint- Abbot of Cluny. He died in 1048. Omer, Saint Omer, Saint- Swiss-born bishop of Terouenne in Belgic Gaul, founder of a monastery. He died in about 670. Odo, Saint Odo, Saint- Second abbot of Cluny, died 942. Ouen, Saint Ouen, Saint- Seventh-century Archbishop of Rouen, founder of several monasteries, devoted to theological studies, friend of St. Eloi. Occult Art, Occultism Occult Art, Occultism- (Catholic Encyclopedia) Osee Osee- The prophet and his book.