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901–1012 · Medieval

Saint Macarius of Ghent was born in 901 in Antioch of Pisidia and served as a bishop and pilgrim. He died in 1012 in Ghent.

1349–1444 · Medieval

Macarius of the Yellow Water Lake and the Unzha, the Miracle Worker (Russian: Преподобный Макарий Унженский Желтоводский Чудотворец, romanized: Prepodobny Makariy Unzhenskiy Zheltovodskiy Chudotvorets; 1349–1444) was a Russian Orthodox monk and saint.

978 · Medieval

Saint Macculind (or Macallan, MacCuilinn, Macculin Dus, Maculinus; died c. 496) was an early Irish saint who was abbot and / or bishop of Lusk.

500–517 · Medieval

Macedonius II of Constantinople (Greek: Μακεδόνιος; died c. 517) was patriarch of Constantinople (496–511). Within a year or two (the date is uncertain) he assembled a council, in which he confirmed in writing the acts of the Council of Chalcedon.

500–600 · Medieval

St. Maches was a 6th-century princess and Pre-congregational saint of Cornwall and Devon. Maches was the sister of St. Cadog. Born a daughter of Saint Gwynllyw and his wife Gwladys, Maches lived as a hermit, and was murdered by thieves, at Merthyr Maches (Llanfaches in the Kingd…

600 · Medieval

Saint Machraeth was a Celtic Christian religious leader born in Meirionnydd in 600.

700–706 · Medieval · Benedictines

Saint Madelberte of Maubeuge (or Machtelberthe; died c. 705) was a 7th-century nun related to the Merovingian dynasty. She became abbess of Maubeuge Abbey in the County of Hainaut, now in northern France near the Belgian border. She died in 705 or 706.

1310–1400 · Medieval

Madḫānina Egziʾ was a monk born in 1310 who served as an abbot. He died in 1400 and is recognized as a saint.

535–575 · Medieval

Magloire, better known as Saint Magloire of Dol, is a Breton saint. Little reliable information is known of Magloire as the earliest written sources appeared three centuries after his death.

600–596 · Medieval

Magneric of Trier (also called Magnerich, or Magnericus) (born c. 522, died c. 596) was a Frankish bishop of Trier. He is a Catholic and Orthodox saint, with a feast day on July 25. Magneric was one of the first bishops with a Germanic name.

530 · Medieval

St. Magnus (Italian: Magno) was Archbishop of Milan from 518 to c. 530. He is honoured as a saint in the Catholic Church and Orthodox Church. Almost nothing is known about the life and the episcopate of Magnus.

1075–1117 · Medieval

Saint Magnus Erlendsson, Earl of Orkney, sometimes known as Magnus the Martyr, was Earl of Orkney from 1106 to about 1117. Magnus's grandparents, Thorfinn the Mighty, Jarl of Orkney and his wife Ingibiorg Finnsdottir, had two sons, Erlend and Paul, who were twins.

473–521 · Medieval

Magnus Felix Ennodius (473 or 474 – 17 July 521 AD) was Bishop of Pavia in 514, and a Latin rhetorician and poet. He was one of four Gallo-Roman aristocrats of the fifth to sixth-century whose letters survive in quantity: the others are Sidonius Apollinaris, prefect of Rome in 4…

660 · Medieval

Saint Magnus of Avignon (French: Saint Magne) (died 660) was a bishop and governor of Avignon, his native city. He was a Gallo-Roman senator. A widower, he was the father of Saint Agricola of Avignon. Magnus became a monk and then became bishop of Avignon.

699–772 · Medieval · Benedictines

Magnus of Füssen, otherwise Magnoald or Mang, was a missionary saint in southern Germany, also known as the Apostle of the Allgäu. He is believed to have been a contemporary either of Gall (died 627) or of Boniface (died 754) and is venerated as the founder of St.

580–670 · Medieval

Saint Magnus of Oderzo (Italian: San Magno di Oderzo) was a 7th-century Italian saint who is notable for founding some of the earliest churches in Venice. He was Bishop of Oderzo and traveled to Venice in 638 because of the Lombard invasion of Italy.

650 · Medieval

Saint Mainbeuf (Magnobodus) was Bishop of Angers from 610 to 660. His feast day is October 16. He had the Church of Saint-Saturnin built in Angers, where he was buried. He also wrote a Vita S. Licinii.

652 · Medieval

Mainchín mac Setnai (fl. late 6th century), also anglicised to Munchin, was allegedly the founder of the church of Luimneach (now Limerick), Ireland, and a saint in Irish tradition, acquiring special eminence as patron of Limerick City.

910 · Medieval · Benedictines

Majolus of Cluny (Maieul, Mayeul, Mayeule, Mayol) (c. 906 – May 11, 994) was the fourth abbot of Cluny. Majolus was very active in reforming individual communities of monks and canons; first, as a personal commission, requested and authorized by the Emperor or other nobility.

1450–1497 · Medieval

Makary I was an Eastern Orthodox priest born in 1450 and a citizen of Poland. He served as the Metropolis of Kiev, Galicia and all Ruthenia until his death in 1497. He is buried in Saint Sophia Cathedral and is venerated as a hieromartyr.

520–621 · Medieval

Saint Malo was a Welsh mid-sixth century founder of Saint-Malo, a commune in Brittany, France. He was one of the seven founding saints of Brittany.

664 · Medieval

Saint Manchán mac Silláin (died 664), Manchianus in Latin sources, is the name of an early Irish saint, patron of Liath Mancháin, now Lemanaghan, in County Offaly. He is not to be confused with the scholar Manchán or Manchéne, abbot of Min Droichit (Co. Offaly).

1380 · Medieval

Saint Manerī Šaraf-ad-Dīn Aḥmad Ibn-Yaḥyā was a mystic who died in 1380.

800–900 · Medieval

Manikkavacakar was a 3rd-century Tamil saint and poet who wrote Thiruvasagam and Thirukkovaiyar, books of Shaiva hymns. Tamil scholars and researchers share that he was a minister to the Pandya king Nedunjeliyan II (3rd Century CE) and lived in Madurai (or) he was a minister to t…

685 · Medieval

Mansuetus (Latin: Mansuetus, Italian: Mansueto) was Archbishop of Milan from 676 to 685. He is honoured as a saint in the Catholic Church. Among the scant information about his life, it is known that in 679 he organized and held a synod with his suffragan bishops in Milan in ord…

400–500 · Medieval

Mansuetus (Latin: Mansuetus Uricitanus; 4th century – 5th century) was the bishop of Urusi in the African province of Proconsular, who suffered martyrdom under the Vandal king Gaiseric, a supporter of Arianism.

430–510 · Medieval

Saint Marcel de Die was born in Avignon in 430 and served as a bishop. He died in Montmeyan in 510.

810 · Medieval

Saint Marcellus died in 810. He is a Catholic saint.

610 · Medieval

Marchell was a 7th-century saint whose history is recorded in the genealogical tract Bonedd y Saint. She was the daughter of Tangwystl or Hawystl Gloff, one of the 24 daughters of Brychan Brycheiniog.

1287–1320 · Medieval · Dominican Order

Margaret of Città di Castello, TOSD (1287 – 12 April 1320) was an Italian Catholic educator and a Dominican tertiary. Margaret was both blind and had other physical disabilities and became known for her deep faith and holiness.

1247–1297 · Medieval · Secular Franciscan Order

Margaret of Cortona (1247 – 22 February 1297) was an Italian penitent of the Third Order of Saint Francis. She was born in Laviano, near Perugia, and died in Cortona. She was canonised in 1728.

1192 · Medieval · Cistercians

Margaret of England (29 September 1240 – 26 February 1275) was Queen of Alba (Scotland) by marriage to King Alexander III. Margaret was the second child of King Henry III of England and his wife, Eleanor of Provence, and was born at Windsor Castle.

1242–1270 · Medieval · Nuns of the Order of Preachers

Margaret of Hungary, OP (Margit in Hungarian; 27 January 1242 – 18 January 1270) was a Dominican nun and the daughter of King Béla IV of Hungary and Maria Laskarina.

1216–1237 · Medieval · Dominican Order

Margaret of Ypres (1216–1237) was a Flemish visionary, ascetic, Dominican penitent and flagellant. She was one of a number of 13th century lay women who led devout lives, following the example of Marie of Oignies.

1176 · Medieval

Margrethe of Roskilde, also called Margrethe of Ølse (d. 1176), was a Danish Roman Catholic local saint. She has been referred to as the only female saint in Denmark. Margrethe was related to Bishop Absalon of Roskilde, and married to Herlog in Ølsemagle in Kjøge.

1177–1213 · Medieval

Marie of Oignies (Maria Ogniacensis, born Nivelles, now Belgium, 1177, died 1213) was a Beguine saint, known from the Life written by James of Vitry for Bishop Fulk of Toulouse.

450–513 · Medieval

Saint Marien de Combraille was born in 450 in Bourges and died in 513 in Évaux-les-Bains. He is recognized as a saint.

715–750 · Medieval

Marina, distinguished as Marina the Monk and also known as Marina the Syrian, Marinos, Pelagia (this being the Greek equivalent of 'Marina'; see Pelagia) and Mary of Alexandria (Coptic: Ϯⲁⲅⲓⲁ Ⲙⲁⲣⲓⲛⲁ ⲛ̅ⲁⲥⲕⲏⲧⲏⲥ), was a Christian saint from part of Asian Byzantium, generally said to…

532–597 · Medieval

Marius Aventicensis or, popularly, Marius of Avenches (532 – 31 December 596) was the Bishop of Aventicum (modern Avenches) from 574, remembered for his terse chronicle.

1392–1444 · Medieval

Mark of Ephesus (Greek: Μᾶρκος ὁ Ἐφέσιος, born Manuel Eugenikos, also called Markos Eugenikos) was a hesychast theologian of the late Palaiologan period of the Byzantine Empire who became famous for his rejection of the Council of Ferrara–Florence (1438–1439).

800–880 · Medieval

Markward von Hildesheim was a Catholic priest and bishop born in 800. He died in 880 in Ebstorf and is recognized as a saint by the Catholic Church.

851 · Medieval

Saint Marta was a Christian memoirist born in Córdoba. She died in Córdoba in 851.

551 · Medieval

Saint Martha (Greek: Ἁγία Μάρθα; died 551) was the mother of Simeon Stylites the Younger. She is venerated in the Eastern Orthodox Church on July 4 and in the Catholic Church on July 5.

726 · Medieval

Martin of Arades, also known as Martin of Corbie (died 26 November 726), was a Frankish Christian monk from Corbie Abbey, who is venerated as a saint in the Roman Catholic Church and Eastern Orthodox Church. His feast day is 26 November.

515–580 · Medieval · Benedictines

Saint Martin of Braga (in Latin Martinus Bracarensis, in Portuguese, known as Martinho de Dume c. 520–580 AD), also known as Saint Martin of Dumio, was an archbishop of Bracara Augusta in Gallaecia (now Braga in Portugal), a missionary, a monastic founder, and an ecclesiastical a…

1050–1146 · Medieval

Martin of Soure or Martin Arias (b. 11th century, Auranca, Portugal; d. 31 January 1146 in Córdoba, Al-Andalus) was a Portuguese captive canon. Arias was the son of Manuel Aires and Argia. He entered clerical service under the care of Bishop Maurice of Coimbra.

527–601 · Medieval

Saint Martin of Vertou (527–601) was a hermit and abbot, founder of Vertou Abbey, and the evangelist of the region around Nantes in Francia. He is sometimes known as the Apostle of the Herbauges, and he is sometimes called Mark of Vertou.

1140–1213 · Medieval · Cistercians

Martín de Hinojosa, also known as Martín de Finojosa or Martín de Huerta (born in Deza c. 1140 – died in Sotoca de Tajo on September 16, 1213), was a Castilian ecclesiastic, abbot of the Abbey of Huerta, and Bishop of Sigüenza. He is venerated as a saint by the Catholic Church.

903 · Medieval

Saint Mary the New was a citizen of the Byzantine Empire. She died in 903 and is recognized as a saint.

1230–1290 · Medieval · Order of the Blessed Virgin Mary of Mercy

María de Cervelló (Barcelona, 1230–1290) was a Catalan nun and the founder of the female branch of the Order of the Blessed Virgin Mary of Mercy. Pope Benedict XIII inscribed her in the Roman Martyrology in 1729. Her feast day is celebrated on September 19.