CATHOLIC ENCYCLOPEDIA · ALPHABETICAL INDEX
O
Catholic Encyclopedia Entries Beginning with O
Select an article below. Every entry remains inside the CatholicG33k Catholic Encyclopedia library.
OA
6 entries
OB
16 entries
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Obazine, Monastery of
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Obba
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Obedience
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Obedience, Religious
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Obedientiaries
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Oblate Sisters of Providence
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Oblates of Mary Immaculate
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Oblates of St. Francis de Sales
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Oblati, Oblatæ, Oblates
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Obligation
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O’Braein, Tighernach
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Obregonians
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Obreption
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O’Brien, Terence Albert
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O’Bruadair, David
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Observatory, Vatican
OC
17 entries
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O’Callaghan, Edmund Bailey
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O’Carolan, Torlogh
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Occam, William of
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Occasionalism
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Occasions of Sin
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Occleve, Thomas
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Occult Art, Occultism
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Occurrence
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Oceania, Vicariate Apostolic of Central
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Ockham, William of
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O’Connell, Daniel
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O’Conor, Charles
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O’Conor, Charles
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Octave
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Octavarium Romanum
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O’Cullenan, Gelasius
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O’Curry, Eugene
OD
20 entries
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O’Daly, Daniel
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O’Daly, Donogh Mór
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Odense, Ancient See of Odense
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Odescalchi, Carlo
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O Deus Ego Amo Te
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O’Devany, Cornelius
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Odilia, Saint
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Odilo, Saint
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Odin, John Mary
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Odington, Walter
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Odo, Saint
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Odo, Saint
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O’Donnell, Edmund
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O’Donovan, John
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Odo of Cambrai, Blessed
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Odo of Canterbury
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Odo of Cheriton
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Odo of Glanfeuil
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O’Dugan, John
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O’Dwyer, Joseph
OE
5 entries
OF
7 entries
OG
5 entries
OH
11 entries
OI
3 entries
OJ
1 entries
OK
2 entries
OL
30 entries
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Olaf Haraldson, Saint
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Oláh, Nicolaus
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Olba
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Old Catholics
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Old Chapter, The
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Oldcorne, Ven. Edward
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Oldenburg
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Old Hall (St. Edmund’s College)
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Oldham, Hugh
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Oldoini, Augustino
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Old Testament
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Old Testament, Canon of the
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O’Leary, Arthur
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Olenus
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Olesnicki, Zbigniew
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Olier, Jean-Jacques
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Olinda
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Oliva
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Oliva, Gian Paolo
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Olivaint, Pierre
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Oliver, George
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Olivet, Mount
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Olivetans
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Olivi, Pierre Jean
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Olivier de la Marche
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Ollé-Laprune, Léon
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Olmütz
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O’Loghlen, Michael
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Olympias, Saint
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Olympus
OM
6 entries
ON
6 entries
OO
1 entries
OP
8 entries
OQ
1 entries
OR
67 entries
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Oracle
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Oran
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Orange, Councils of
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Orange Free State
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Orange River
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Orans
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Orate Fratres
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Oratorio
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Oratory
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Oratory of Saint Philip Neri, The
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Oratory, French Congregation of the
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Orbellis, Nicolas d’
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Orcagna
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Orcistus
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Ordeals
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Ordericus Vitalis
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Orders, Holy
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Orders, The Military
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Ordinariate
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Ordinary
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Ordines Romani
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Oregon
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Oregon City
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O’Reilly, Bernard
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O’Reilly, Edmund
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O’Reilly, Edmund
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O’Reilly, Hugh
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O’Reilly, John Boyle
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O’Reilly, Myles William Patrick
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Oremus
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Orense
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Oresme, Nicole
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Organ
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Organic Articles, The
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Oria
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Oriani, Barnaba
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Oriental Study and Research
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Orientation of Churches
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Orientius
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Oriflamme
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Origen and Origenism
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Original Sin
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Orihuela
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Oriol, Saint Joseph
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Oristano
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Orkneys
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Orlandini, Niccolò
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Orléans
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Orléans, Councils of
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Orley, Barent Van
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Orme, Philibert de l’
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Oropus
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O’Rorke, Patrick Henry
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Orosius, Paulus
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Orphans and Orphanages
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Orsi, Giuseppe Agostino
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Orsini
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Orsisius
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Ortelius, Abraham
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Orthodox Church
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Orthodoxy
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Orthodoxy, Feast of
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Orthosias
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Ortolano Ferrarese
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Orval
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Orvieto
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Ory, Matthieu
OS
24 entries
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Osaka
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O Salutaris Hostia
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Osbald
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Osbaldeston, Edward, Venerable
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Osbern
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Oscott (St. Mary’s College)
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Osee
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Osimo
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Oslo, Ancient See of
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Osma
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Osmund, Saint
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Osnabrück
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Ossat, Arnaud d’
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Ossory, Diocese of
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Ostensorium
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Ostia and Velletri
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Ostiensis
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Ostracine
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Ostraka, Christian
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Ostrogoths
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O’Sullivan Beare, Philip
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Oswald, Saint
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Oswald, Saint
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Oswin, Saint
OT
17 entries
OU
9 entries
OV
4 entries
OW
2 entries
OX
6 entries
OZ
3 entries