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1245–1305 · Medieval · Order of St. Augustine

Nicholas of Tolentino, OSA (Latin: S. Nicolaus de Tolentino, c. 1246 – September 10, 1305) known as the "Patron of Holy Souls", was an Italian Catholic mystic who is invoked as an advocate for the souls in Purgatory, especially during Lent and the month of November.

1650–1709 · Modern · Order of the Minims

Nicola Saggio was an Italian Roman Catholic professed oblate of the Order of Minims. He was beatified on 17 September 1786 and was canonized as a saint of the Roman Catholic Church on 23 November 2014.

1227 · Medieval · Franciscans

Nicholas Abenante of Sassoferrato was one of the companions of Daniel Fasanella who were martyred for the Christian faith in Ceuta, North Africa, on October 10, 1227. They were Friars Minor serving as missionaries in Morocco. All were priests except for Donulus.

1898–1945 · Contemporary

Nikolaus Gross (German: Groß) (30 September 1898 – 23 January 1945) was a German Roman Catholic layman and trade unionist. Gross first worked in crafts requiring skilled labor before becoming a coal miner like his father while joining a range of trade union and political movement…

1808–1858 · Modern

Nimatullah Kassab OLM, also known as "Al-Hardini" in reference to his birth village, (1808 – 14 December 1858) was a Lebanese monk, priest and scholar of the Maronite Church. He has been declared a saint by the Catholic Church.

360–432 · Early Church

Ninian is a Christian saint, first mentioned in the 8th century as being an early missionary among the Pictish peoples of what is now Scotland.

650 · Medieval

Nivard (Latin: Nivardus/Nivo; Spanish: Nivardo; died 1 September 673) was the Bishop of Reims during the Merovingian Dynasty from approximately 649 until 673. He was later venerated as a medieval Catholic Saint.

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The Church of Saint-Nizier (French: Église Saint-Nizier) is a church in the Presqu'île district of Lyon, France, in the 2nd arrondissement, between the Place des Terreaux and the Place des Jacobins.

500–532 · Medieval · Benedictines

Saint Nonnosus (c. 500 – 560 AD), also Nonosius, was a prior at the San Silvestre monastery on Monte Soratte north of Rome and later a monk at Suppentonia, near Civita Castellana. He was a contemporary of Saint Benedict of Nursia.

1080–1134 · Medieval · Premonstratensians

Norbert of Xanten, O. Praem (c. 1080 – 6 June 1134), also known as Norbert Gennep, was a German Catholic bishop who was the Archbishop of Magdeburg, founder of the Premonstratensian order of canons regular, and is venerated as a saint in the Catholic Church.

432 · Early Church

Nostrianus was Bishop of Naples, known for his opposition to Arianism and Pelagianism. In 439, he gave shelter to Bishop Quodvultdeus of Carthage, after the city's sacking by the Vandals.

650–740 · Medieval

Nothhelm (sometimes Nothelm; died 739) was a medieval Anglo-Saxon Archbishop of Canterbury. A correspondent of both Bede and Boniface, it was Nothhelm who gathered materials from Canterbury for Bede's historical works.

1613–1649 · Reformation · Society of Jesus

Noël Chabanel (February 2, 1613 – December 8, 1649) was a Jesuit missionary at Sainte-Marie among the Hurons, and one of the Canadian Martyrs. Chabenal was born February 2, 1613 in the village of Saugues, France, the youngest of four children.

1360–1431 · Medieval · Carmelites

Dom Nuno Álvares Pereira, OCarm , known as Constable of Portugal, was a Portuguese general who played a decisive role in the 1383–1385 Crisis that assured Portugal's independence from Castile.

1817–1836 · Modern

Nunzio Sulprizio (13 April 1817 – 5 May 1836) was an Italian Roman Catholic from Pescara who worked as an apprentice blacksmith. He suffered from poor health during his brief life and was considered to those who knew him to be a gentle and pious individual.

1150–1204 · Medieval · Benedictines

Obitius (Italian: Sant'Obizio) (February 4, c. 1150 - December 6, c. 1204) was an Italian saint. He was born in Niardo, in the province of Brescia, around 1150 (tradition holds that the day was February 4).

958 · Medieval · Benedictines

Oda (or Odo; died 958) the Good was a 10th-century Archbishop of Canterbury in England. The son of a Danish invader, Oda became Bishop of Ramsbury before 928.

1105 · Medieval · Benedictines

Oderisio (or Odorisio) Berardi (Marsica – Montecassino, December 2, 1105) was an Italian cardinal and abbot of the Abbey of Montecassino from September 13, 1087, to December 2, 1105. He is venerated as a saint by the Catholic Church.

960–1049 · Medieval · Benedictines

Odilo of Cluny (c. 962 – 1 January 1049) was the 5th Benedictine Abbot of Cluny, succeeding Mayeul and holding the post for around 54 years. During his tenure Cluny became the most important monastery in western Europe.

801–881 · Medieval · Benedictines

Odo I (or Eudes I) was a West Frankish prelate who served as abbot of Corbie in the 850s and as bishop of Beauvais from around 860 until his death in 881. He was a courtier and a diplomat, going on missions to East Francia and the Holy See.

878–942 · Medieval · Benedictines

Odo of Cluny (French: Odon) (c. 878 – 18 November 942) was the second abbot of Cluny. Born to a noble family, he served as a page at the court of Aquitaine. He became a canon of the Church of St. Martin in Tours and continued his education in Paris under Remigius of Auxerre.

750–865 · Medieval · Benedictines

Odwulf of Evesham (or Odulf, Odulph, Odulfo, Odulphus; died 855) was a ninth century saint, monk and Frisian missionary. Odwulf is recorded in the medieval Secgan hagiography the Medieval Hagiography of Saint Ecgwine and the Ave presul glorioseI Augustine psalter, where he is li…

1882–1969 · Contemporary

Olinto Marella (14 June 1882 – 6 September 1969) was an Italian Roman Catholic priest who exercised his pastoral service in the Archdiocese of Bologna. Marella was a classmate of Pope John XXIII in Rome and the pope held him in high esteem and supported his pastoral initiatives.

1629–1681 · Reformation

Oliver Plunkett (or Oliver Plunket; Irish: Oilibhéar Pluincéid; 1 November 1625 – 1 July 1681) was the Catholic Archbishop of Armagh and Primate of All Ireland and the last victim of the Popish Plot.

950–1050 · Medieval · Benedictines

Saint Oliver of Ancona - also known as Oliver of Portonuovo, Oliverius or Liberius (died c. 1050), is a saint of the Catholic and Orthodox Christian churches. His feast day is 3 February.

448–463 · Early Church

Olivia of Palermo (Italian: Oliva dì Palermo, Sicilian: Uliva di Palermu), Palermo, 448 – Tunis, 10 June 463, while according to another tradition she is supposed to have lived in the late 9th century AD in the Muslim Emirate of Sicily is a Christian virgin-martyr who was venerat…

1884–1944 · Contemporary

Omelyan Hryhorovych Kovch (Ukrainian: Омелян Григорович Ковч; August 20, 1884, Kosmach — March 25, 1944) was a Ukrainian Greek-Catholic priest murdered in Majdanek concentration camp.

770 · Medieval · Benedictines

Opportuna of Montreuil (died 770) was a Frankish Benedictine nun and abbess. A Vita et miracula Sanctae Opportunae was written within a century of her death (c. 885–88) by Adalhelm (later rendered Adelin), bishop of Séez, who believed he owed his life and his see to Opportuna.

400–397 · Early Church

Optatus, sometimes anglicized as Optate, was Bishop of Milevis, in Numidia, in the fourth century, remembered for his writings against Donatism.

302–444 · Early Church

Orientius was a Christian Latin poet of the fifth century. He wrote the elegiac poem Commonitorium of 1036 verses (divided into two books) describing the way to heaven, with warnings against its hindrances.

1330–1386 · Medieval

Roland de' Medici (born c. 1330 in Milan, Lombardy; died September 15, 1386, in Borgo San Donnino, Emilia-Romagna) was a 14th-century Italian hermit, considered a blessed by the Catholic Church.

1100–1099 · Medieval

Osmund (died 3 December 1099), Count of Sées, was a Norman noble and clergyman. Following the Norman conquest of England, he served as Lord Chancellor (c. 1070–1078) and as the second bishop of Salisbury, or Old Sarum.

1000–992 · Medieval · Benedictines

Oswald of Worcester (died 29 February 992) was Archbishop of York from 972 to his death in 992. He was of Danish ancestry, but brought up by his uncle, Oda of Canterbury, who sent him to France to the abbey of Fleury to become a monk.

1060–1122 · Medieval

Saint Odo of Urgell (Catalan: Ot, Odó or Dot Spanish: Odón) (c. 1065 – 1122) was a bishop of Urgell, noted for his care for the poor. He was from the family of the counts of Pallars Sobirà. He is buried in the monastery of Santa Maria de Gerri.

689–759 · Medieval · Benedictines

Othmar, (also Audomar, c. 689 – c. 759) was a Medieval monk and priest. He served as the first abbot of the Abbey of St. Gall, a Benedictine monastery near where the city of St. Gallen, now in Switzerland, developed.

1060–1139 · Medieval

Otto of Bamberg (1060 or 1061 – 30 June 1139) was a German missionary and papal legate who converted much of medieval Pomerania to Christianity. He was the bishop of Bamberg from 1102 until his death. He was canonized in 1189.

500–510 · Medieval

Padarn (Latin: Paternus, Padarnus; Welsh: Padarn; Breton: Padern; ? – c. 550 AD) was an early 6th century British Christian abbot-bishop who founded Saint Padarn's Church in Ceredigion, Wales.

330 · Early Church

Palamon (d. c. 330) was an abbot of the Thebaid and, together with his disciple Pachomius, the founder of the monastery of Tabennisi in 330. Following the persecutions against Christians, he withdrew to the desert and lived as a hermit, dedicated to prayer.

850–900 · Medieval

Palerio di Telese was a Catholic priest and bishop born in 850 and deceased in 900. He is recognized as a saint within the Catholic Church.

401–450 · Early Church

Palladius (fl. early 5th Century) was the first bishop of the Christians of Ireland, preceding Saint Patrick. It is possible that some elements of their life stories were later conflated in Irish tradition.

658 · Medieval

Saint Palladius of Auxerre (died April 10, 657 or 658) was abbot of Saint-Germain (likely occupied by secular clergy at the time) and subsequently Bishop of Auxerre from 622 to 658. His feast day was celebrated on April 10 until 1726, and thereafter on July 30.

650–700 · Medieval

Pamphilus of Sulmona (Italian: Panfilo di Sulmona, died c. AD 700) was bishop of Sulmona and Corfinio (Valva) during the late 7th century. He is revered as a saint by the Catholic Church and the Eastern Orthodox Church.

1816–1865 · Modern

Paola Elisabetta Cerioli (28 January 1816 – 24 December 1865), born Costanza Cerioli, was an Italian Roman Catholic widow and the founder of both the Institute of Sisters of the Holy Family and the congregation of the Family of Bergamo.

360–400 · Early Church

Paphnutius of Thebes, also known as Paphnutius the Confessor, was a dubiously historical early Christian figure, said to be a disciple of Anthony the Great and a bishop of a city in the Upper Thebaid in the early fourth century.

60–150 · Early Church

Papias (Greek: Παπίας) was a Greek Apostolic Father, Bishop of Hierapolis (modern Pamukkale, Turkey), and author who lived c. AD 60 – c. 130. He wrote the Exposition of the Sayings of the Lord (Greek: Λογίων Κυριακῶν Ἐξήγησις) in five books.

350–430 · Early Church

Papinian or Pampinian of Vita (Latin: Pa(m)pinianus Vitensis) was a 5th-century martyr bishop and Christian saint, commemorated on November 28 alongside Mansuetus of Urusi.

1151–1267 · Medieval · Benedictines

Parisius (Italian: Parisio) was a Camaldolese monk and spiritual director. It is believed that Parisius was born in 1160, at either Treviso or Bologna. At the age of twelve, Parisius entered the Camaldolese order.

300–400 · Early Church

Parthenius of Lampsacus was a Catholic priest and bishop born in 300. He died in 400 in Lampsacus and is recognized as a saint within the Catholic Church.

775–824 · Medieval

Pope Paschal I (Latin: Paschalis I; died 824) was the bishop of Rome and ruler of the Papal States from 25 January 817 to his death in 824. Paschal was a member of an aristocratic Roman family. Before his election to the papacy, he was abbot of St.

792–865 · Medieval · Benedictines

Paschasius Radbertus (785–865) was a Carolingian theologian and the abbot of Corbie, a monastery in Picardy founded in 657 or 660 by the queen regent Bathilde with a founding community of monks from Luxeuil Abbey.