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300–374 · Early Church

Marcellinus of Gaul also known as Marcellin was the first bishop of Embrun from 354 AD. He was a native of Africa Proconsularis. Marcellin, went to Rome with two other bishops of North Africa, Vincent and Domnin, to attend a synod in 313 to judge the Donatists movement.

255–309 · Early Church

Pope Marcellus I (Italian: Marcello I) (6 January 255 – 16 January 309) was the bishop of Rome from May or June 308 to his death on 16 January 309. He succeeded Marcellinus after a considerable interval.

436 · Early Church

Marcel of Paris (French: Marcel de Paris) or St Marcellus was the 9th bishop of Paris and namesake of a bell of Notre-Dame de Paris. Marcellus of Paris was born in Lutetia (now île de la Cité, Paris), located in Gallia Lugdunensis, Roman Gaul, within the Western Roman Empire.

100–120 · Early Church

Marcian (Marciano, Marziano, Marcianus) of Tortona (died 117 or 120 AD) is a saint of Roman Catholic church. He is traditionally said to have been the first bishop of Tortona, in what is now north-western Italy, a post he held for forty-five years.

401–496 · Early Church

Marcianus was a Catholic priest and bishop born in the Byzantine Empire in 401. He died in Frigento in 496 and is venerated as a saint in the Catholic Church.

300–336 · Early Church

Pope Mark (Latin: Marcus) was the bishop of Rome from 18 January to his death on 7 October 336. Little is known of Mark's early life. According to the Liber Pontificalis, he was a Roman, and his father's name was Priscus. Mark succeeded Sylvester I as pope on 18 January 336.

301–410 · Early Church

Maron, also called Maroun or Maro (Syriac: ܡܪܘܢ, Mārōn; Arabic: مَارُون, Mārūn; Latin: Maron; Ancient Greek: Μάρων), was a 4th-century Syriac Christian hermit monk in the Taurus Mountains whose followers, after his death, founded a religious Christian movement that became known a…

350–435 · Early Church

Martinianus (or Martinus, Italian: Martiniano) was Archbishop of Milan from 423 to 435. He is honoured as a Saint in the Catholic and Eastern Orthodox Churches. His feast day is 2 January. A tradition associates Martinianus with the Roman family of the Hosii.

300 · Early Church

Maternus (Italian: Materno) was Archbishop of Milan from c. 316 to c. 328. He is honoured as a Saint in the Catholic Church and his feast day is on July 18. Almost nothing is known about the life of Maternus.

300–328 · Early Church

Maternus (c. 285–September 14, 315 AD), also known as Maternus II, was the first known bishop of Cologne, reportedly also the third bishop of Trier, and founder of the diocese of Tongeren. He is venerated as a saint in the Catholic and Eastern Orthodox churches.

201–301 · Early Church

Maturinus, or Mathurin (died ca. 300 AD) was a Gallo-Roman exorcist and missionary venerated as a saint. The first source to mention Maturinus is the Martyrology of Usuard, written in 875. In the next century, a biography of Maturinus was composed.

488 · Early Church

Maughold (also known as Macaille, Maccaldus, Machalus, Machaoi, Machella, Maghor, Mawgan, Maccul, Macc Cuill; died c. 488 AD) is venerated as the patron saint of the Isle of Man.

364–426 · Early Church

Saint Maurilius (French: Maurille) (c. 336 – 453), a priest originally from Milan, was the bishop of Angers between 423 and 453. He played an early role in the Christianization of Gaul. In the seventh century, a devotion to St. Maurilius began.

300–400 · Early Church

Maurus of Parentium is the patron saint of the Istrian city of Poreč/Parenzo in Croatia, called Parentium in Roman times. He is commemorated on November 21. According to one account, Maurus was of noble Roman birth, and became the city's first bishop.

201–346 · Early Church

Maximin (born at Silly near Poitiers; — Poitiers 12 September 346) was the sixth bishop of Trier. His feast is 29 May. Maximin was an opponent of Arianism, and was close to the courts of Constantine II and Constans.

228–250 · Early Church

Saint Maximus of Aveia (died c. 250 AD) (sometimes also known as Saint Maximus of Aquila) is one of the patron saints of L'Aquila, Italy. He was born in Aveia, currently known as Fossa. As a deacon, he was martyred for his faith.

400 · Early Church

Maximus (born in the late 4th century or early 5th century; died the 5th century) was an ancient Roman bishop, thought to have been the second bishop of Mogontiacum (Mainz, now in Germany) and possibly the last to hold that position under the Roman Empire.

400–420 · Early Church

Maximus of Turin (Italian: San Massimo; c. 380 – c. 465) was a Roman Christian prelate known as the first Bishop of Turin. He was a theological writer who "made a great contribution to the spread and consolidation of Christianity in Northern Italy".

400–381 · Early Church

Meletius of Antioch (Greek: Μελέτιος, Meletios) was a Christian patriarch of Antioch from 360 until his death in 381. He was opposed by a rival bishop named Paulinus II of Antioch and his episcopate was dominated by the schism, usually called the Meletian schism.

126–157 · Early Church

Melissa (Melissae or Melitine or Melitinḗ or Melitina; 28 February, 126 – 16 September, 157) was a virgin and martyr in 2nd-century Christian traditions, venerated as a saint.

229–314 · Early Church

Saint Mellonius (229-314) was an early 4th-century Bishop of Rotomagus (now Rouen) in the Roman province of Secunda Provincia Lugdunensis (now Normandy in France).

443 · Early Church

Memnon was metropolitan bishop of Ephesus during the third ecumenical council. At the Council he was a supporter of Cyril of Alexandria. Delays in the opening of the council were blamed by Nestorius on Memnon.

235–249 · Early Church

Messalina of Foligno (Italian: Santa Messalina di Foligno; 235–249) was a 3rd-century Italian Christian consecrated virgin and martyr who was a disciple of Felician of Foligno.

260–311 · Early Church

Methodius of Olympus (Koine Greek: Μεθόδιος) (died c. 311) was an early Christian bishop, ecclesiastical author, and martyr. Today, he is honored as a saint and Church Father; the Catholic Church commemorates his feast on June 20.

441 · Early Church

Saint Michomer was an Irish citizen and a member of the Catholic Church. He died in Tonnerre in 441.

314 · Early Church

Pope Miltiades (Ancient Greek: Μιλτιάδης, Miltiádēs), also known as Melchiades the African (Μελχιάδης ὁ Ἀφρικανός Melkhiádēs ho Aphrikanós), was the bishop of Rome from 311 to his death on 10 or 11 January 314.

201–316 · Early Church

Mirocles (or Merocles, Italian: Mirocle) was Bishop of Milan from before 313 to c. 316. He is honoured as a Saint in the Catholic Church and his feast day is on December 3. Almost nothing is known about the life of Mirocles.

488 · Early Church

Mél of Ardagh, also written Mel or Moel, was a 5th-century saint in Ireland who was a nephew of Saint Patrick. He was the son of Conis (or Chonis) and Patrick's sister, Darerca.

300–307 · Early Church

Narcissus of Girona was a 3rd-century bishop, either Spanish and native to Girona (according to the Flos Sanctorum) or a Scythian from the Gothia of southern Sweden—Västergötland or Östergötland—(according to the Cronicón de Liberato).

201–345 · Early Church

Saint Narnus (Italian: San Narno) is venerated as the first bishop of Bergamo. Christian tradition holds that he was consecrated during the Apostolic Age in his office by St. Barnabas, although Narnus probably lived later than that.

100–65 · Early Church

Nestor of Palencia (died c. 65) is a legendary figure whom a late tradition, documented in historiographical works of the 16th and 17th centuries, claims to have been the first bishop of Palencia.

350–407 · Early Church

Saint Nicasius of Reims (French: Saint-Nicaise; d. 407 or 451) was a Bishop of Reims. He founded the first Reims Cathedral and is the patron saint of smallpox victims. Sources placing his death in 407 credit him with prophesying the invasion of France by the Vandals.

450–485 · Early Church

Nicetas was the archbishop of Aquileia from 454 to 485. In the past, his life and deeds were conflated with Nicetas of Remesiana. In 452, he temporarily moved from Aquileia to the island of Grado, as the island was safer from attacks by groups moving west from the Eurasian Stepp…

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.

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.

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…

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.

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.

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.

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.

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.

450–490 · Early Church

Patiens of Lyon was bishop of Lyon in the 5th century and recognized as a saint by the Roman Catholic Church. He succeeded Bishop Eucherius (November 16 † 449), and died on September 11 before 494, the year in which his second successor Rusticius began his episcopate.

250–307 · Early Church

Saint Patrick (Málaga?, 3rd century – Gaul, March 16, 307) is listed as Bishop of Málaga in the acts of the Council of Elvira, held near the city of Granada between 300 and 313.

350 · Early Church

Paul I of Constantinople or Saint Paul the Confessor (Greek: Παῦλος; died c. 350), was the sixth bishop of Constantinople, elected first in 337.

300–300 · Early Church

Paul of Narbonne (3rd century CE) was one of the "apostles to the Gauls". They had been sent out (probably by Pope Fabian, 236–250) during the consulate of Decius and Gratus (250-251 AD).

347–406 · Early Church

Paula of Rome (AD 347–404) was an ancient Roman Christian saint and early Desert Mother. A member of one of the richest senatorial families which claimed descent from Agamemnon, Paula was the daughter of Blesilla and Rogatus, from the great clan of the Furii Camilli.

67 · Early Church

Paulinus was an early Christian saint, who, along with a priest, deacon and soldier—all of whose names were forgotten through time—suffered martyrdom in 67. According to Holy Tradition, Paulinus was born in the city of Antioch.