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Olympias, Saint Olympias, Saint
Olympias, Saint- Widow, deaconess, renowned for her almsgiving, and a staunch supporter of St. John Chrysostom. ...
Oswald, Saint Oswald, Saint
Oswald, Saint- Archbishop of York, d. 992 while washing the feet of the poor, as was his daily custom during Lent. ...
Odo of Cambrai, Blessed Odo of Cambrai, Blessed
Odo of Cambrai, Blessed- Benedictine abbot, bishop of Cambrai, exiled for political reasons, d. 1113. ...
Oliver Plunket, Saint Oliver Plunket, Saint
Oliver Plunket, Saint- Biographical article on the professor of theology, Archbishop of Armagh and Primate of All Ireland, martyred in 1681. ...
Otto, Saint Otto, Saint
Otto, Saint- Swabian courtier, was named bishop of Bamberg in 1102, and founded over twenty monasteries. ...
Orders, Holy Orders, Holy
Orders, Holy- (Catholic Encyclopedia) ...
Old Catholics Old Catholics
Old Catholics- (Catholic Encyclopedia) ...
O'Connell, Daniel O'Connell, Daniel
O'Connell, Daniel- (Catholic Encyclopedia) ...
O'Higgins, Ambrose and Bernard O'Higgins, Ambrose and Bernard
O'Higgins, Ambrose and Bernard- (Catholic Encyclopedia) ...
Obedience Obedience
Obedience- (Catholic Encyclopedia) ...
Ontology Ontology
Ontology- (Catholic Encyclopedia) ...
Oran Oran
Oran- (Catholic Encyclopedia) ...
Original Sin Original Sin
Original Sin- (Catholic Encyclopedia) ...
Oriani, Barnaba Oriani, Barnaba
Oriani, Barnaba- (Catholic Encyclopedia) ...
O'Conor, Charles O'Conor, Charles
O'Conor, Charles- The son of Irish immigrants, he was an eminent New York lawyer and orator. He defended Jefferson Davis and prosecuted Boss Tweed. Died 1884. ...
Ozias Ozias
Ozias- (Catholic Encyclopedia) ...
Oakeley, Frederick Oakeley, Frederick
Oakeley, Frederick- (Catholic Encyclopedia) ...
O'Devany, Cornelius O'Devany, Cornelius
O'Devany, Cornelius- (Catholic Encyclopedia) ...
Odin, John Mary Odin, John Mary
Odin, John Mary- (Catholic Encyclopedia) ...
Odo of Canterbury Odo of Canterbury
Odo of Canterbury- (Catholic Encyclopedia) ...
Ostraka, Christian Ostraka, Christian
Ostraka, Christian- (Catholic Encyclopedia) ...
O'Cullenan, Gelasius O'Cullenan, Gelasius
O'Cullenan, Gelasius- (Catholic Encyclopedia) ...
Obligation Obligation
Obligation- (Catholic Encyclopedia) ...
Obreption Obreption
Obreption- (Catholic Encyclopedia) ...
O'Bruadair, David O'Bruadair, David
O'Bruadair, David- (Catholic Encyclopedia) ...
Olier, Jean-Jacques Olier, Jean-Jacques
Olier, Jean-Jacques- (Catholic Encyclopedia) ...
Obba Obba
Obba- (Catholic Encyclopedia) ...
Oettingen Oettingen
Oettingen- (Catholic Encyclopedia) ...
Oggione, Marco D' Oggione, Marco D'
Oggione, Marco D'- (Catholic Encyclopedia) ...
Oria Oria
Oria- (Catholic Encyclopedia) ...
Ossat, Arnaud d' Ossat, Arnaud d'
Ossat, Arnaud d'- (Catholic Encyclopedia) ...
O'Fihely, Maurice O'Fihely, Maurice
O'Fihely, Maurice- (Catholic Encyclopedia) ...
Oxford, University of Oxford, University of
Oxford, University of- (Catholic Encyclopedia) ...
O'Dwyer, Joseph O'Dwyer, Joseph
O'Dwyer, Joseph- (Catholic Encyclopedia) ...
O Filii et Filiae O Filii et Filiae
O Filii et Filiae- (Catholic Encyclopedia) ...
Oertel, John James Maximilian Oertel, John James Maximilian
Oertel, John James Maximilian- (Catholic Encyclopedia) ...
O'Herlahy, Thomas O'Herlahy, Thomas
O'Herlahy, Thomas- (Catholic Encyclopedia) ...
Ohler, Aloys Karl Ohler, Aloys Karl
Ohler, Aloys Karl- (Catholic Encyclopedia) ...
Obazine, Monastery of Obazine, Monastery of
Obazine, Monastery of- (Catholic Encyclopedia) ...
Occasionalism Occasionalism
Occasionalism- (Catholic Encyclopedia) ...
Oecumenius Oecumenius
Oecumenius- (Catholic Encyclopedia) ...
O'Hussey, Maelbrighte O'Hussey, Maelbrighte
O'Hussey, Maelbrighte- (Catholic Encyclopedia) ...
Occasions of Sin Occasions of Sin
Occasions of Sin- (Catholic Encyclopedia) ...
Ojeda, Alonso de Ojeda, Alonso de
Ojeda, Alonso de- (Catholic Encyclopedia) ...
Oxford Movement, The (1833-1845) Oxford Movement, The (1833-1845)
Oxford Movement, The (1833-1845)- Lengthy historical article on the Tractarian Movement includes information on John Henry Newman, as well as on other leading lights of this nineteenth-century Anglo-Catholic campaign, su ...
Option, Right of Option, Right of
Option, Right of- (Catholic Encyclopedia) ...
Olah, Nicolaus Olah, Nicolaus
Olah, Nicolaus- (Catholic Encyclopedia) ...
Old Hall (St. Edmund's College) Old Hall (St. Edmund's College)
Old Hall (St. Edmund's College)- (Catholic Encyclopedia) ...
Okeghem, Jean d' Okeghem, Jean d'
Okeghem, Jean d'- (Catholic Encyclopedia) ...
Oldenburg Oldenburg
Oldenburg- (Catholic Encyclopedia) ...

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