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552 · Medieval

Menas of Constantinople (also Minas; Ancient Greek: Μηνᾶς; died 25 August 552), considered a saint in the Chalcedonian-affirming Church and by extension both the Eastern Orthodox Church and Catholic Church of modern times, was born in Alexandria, and enters the records in high ec…

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.

788–847 · Medieval

Methodius I of Constantinople or Methodios I (Greek: Μεθόδιος Α΄; 788/800 – 14 June 847) was Ecumenical Patriarch of Constantinople from 11 March 843 to 14 June 847. He was born in Syracuse and died in Constantinople.

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.

1808–1857 · Modern

Michael Hồ Đình Hy (胡廷僖; 1808– 22 May 1857) was a Vietnamese mandarin official who was martyred for his Roman Catholic belief during the persecutions by Emperor Tự Đức. He was canonized in 1988 along with another 116 Vietnamese Martyrs.

1555–1597 · Reformation · Franciscans

The 26 Martyrs of Japan (Japanese: 日本二十六聖人, Hepburn: Nihon Nijūroku Seijin) were a group of Catholics who were executed by crucifixion on 5 February 1597, in Nagasaki, Japan. Their martyrdom is especially significant in the history of the Catholic Church in Japan.

1804–1838 · Modern

Saint Michael Nguyễn Huy Mỹ (Vietnamese: Micae Nguyễn Huy Mỹ) (born c. 1804 in Kẻ Vĩnh, Vietnam – died August 12, 1838, in Bảy Mẫu, Vietnam) was a martyr and a saint of the Catholic Church. Michael Nguyễn Huy Mỹ was born in Kẻ Vĩnh.

1591–1625 · Reformation · Trinitarian Order

Michael de Sanctis (Catalan: Miquel dels Sants) (29 September 1591 – 10 April 1625), sometimes called Michael of the Saints, was a Discalced Trinitarian born in Vic, a city of Catalonia, Spain.

1893–1943 · Contemporary

Michał Kozal (27 September 1893 – 26 January 1943) was a Polish Roman Catholic bishop. Kozal was noted for his intelligence and dedication to studies and studied to become a priest during World War I, which disrupted his studies but did not prevent his ordination in 1918; he gain…

1900–1942 · Contemporary

Michał Oziębłowski was a Polish Catholic priest and catechist born in 1900 in Izdebno Kościelne. He died in 1942 at the Dachau concentration camp and is recognized as a saint by the Catholic Church.

1885–1940 · Contemporary

Michael Piaszczynski (1 November 1885 – 18 December 1940) was a Polish Catholic priest who was arrested by the Nazis and killed at Sachsenhausen concentration camp. As a martyr he was beatified by Pope John Paul II on 13 June 1999.

1875–1942 · Contemporary

Michał Woźniak (born 1 July 1999) is a Polish pair skater. With his current skating partner, Ioulia Chtchetinina, he is the 2025 Four National champion, the 2024 Four National silver medalist, a three-time Polish national champion (2024–26), and the 2024 CS Golden Spin of Zagreb…

441 · Early Church

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

1902–1941 · Contemporary · Capuchin Poor Clares

Mieczysława Kowalska was a Polish religious sister of the Capuchin Poor Clares born in Warsaw in 1902. She died of tuberculosis in 1941 at the Soldau concentration camp. She is recognized as a saint in the Catholic Church.

1891–1927 · Contemporary · Society of Jesus

José Ramón Miguel Agustín Pro Juárez, also known as Blessed Miguel Pro, SJ (January 13, 1891 – November 23, 1927) was a Mexican Jesuit priest executed under the presidency of Plutarco Elías Calles on the false charges of bombing and attempted assassination of former Mexican Presi…

500–500 · Medieval

Miletus (Ancient Greek: Μίλητος, romanised: Mílētos) was an influential ancient Greek city on the western coast of Anatolia, near the mouth of the Maeander River in present day Turkey.

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.

986 · Medieval

Minnborinus of Cologne (fl. 974–986) was an Irish abbot and saint active in Germany. Minborinus was the leader of a group of missionaries from Ireland who travelled to Cologne, Germany. Upon arriving, the Archbishop of Cologne, Warin of Cologne, made Minnborinus abbot of St.

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.

555–638 · Medieval

Mo Chutu mac Fínaill (died 14 May 639), also known as Mochuda, Carthach or Carthach the Younger , was abbot of Rahan, County Offaly, and subsequently, founder and first abbot of Lismore (Irish: Les Mór Mo Chutu), County Waterford.

650–730 · Medieval

Moderanus was a French Catholic priest and bishop born in Rennes in 650. He served as the Roman Catholic Bishop of Rennes and as an abbot before his death in Berceto in 730. He is venerated as a saint within the Catholic Church.

500–500 · Medieval

Modestus (died 489) was bishop of Trier when the Franks gained control over the city of Trier and he is considered a Pre-Congregational Saint. His feast day is 24 February.

1847–1900 · Contemporary · Society of Jesus

The Martyr Saints of China (traditional Chinese: 中華殉道聖人; simplified Chinese: 中华殉道圣人; pinyin: Zhōnghuá xùndào shèngrén), or Augustine Zhao Rong and his Companions, are 120 saints of the Catholic Church.

720–701 · Medieval

Modestus of Carantania (c. 720 – before 772), called the Apostle of Carinthia or Apostle of Carantania, was an Irish monk who took part in the Hiberno-Scottish mission, evangelising the Carantanians, an Alpine Slavic people settling in the south of present-day Austria and north-e…

601–685 · Medieval · Benedictines

Saint Mummolin of Noyon (or Mummolinus, Momelin, Mommolenus, Mommolinus, Mommolin; died c. 686) was a monk who became an abbot in Saint-Omer, then Bishop of Noyon-Tournai in Belgium. His feast day is 16 October.

531 · Medieval

Montanus was the metropolitan bishop of Toledo between 523 and 531, a contemporary of King Amalaric. He presided over the Second Council of Toledo, held in 527.

600–599 · Medieval

Monulph was a sixth-century bishop of Tongeren and Maastricht, and is revered as a Roman Catholic saint. Little is known about his life. The Acta Sanctorum only lists two vitae of Monulph, none of them older than the 11th century.

1841–1917 · Contemporary · Institute of the Brothers of the Christian Schools

Mutien-Marie Wiaux (also known as Mutien-Marie of Malonne; 20 March 1841 – 30 January 1917) was a Belgian member of the Brothers of Christian Schools, who spent his life as a teacher and is honored as a saint by the Catholic Church.

1876–1941 · Contemporary

Mykola Konrad (Ukrainian: Микола Конрад; 16 May 1876 – 26 June 1941) was a Ukrainian Greek Catholic priest and martyr. Konrad was born on 16 May 1876 in the village of Strusów, then a part of the Austro-Hungarian Empire (modern-day Strusiv, Ukraine).

1896–1951 · Contemporary

Mykola Tsehelskyi (Ukrainian: Мико́ла Цеге́льський; December 17, 1896 – May 25, 1951), sometimes rendered as Nicholas Tsehelskyi, was a Ukrainian Greek Catholic priest, considered to be a martyr by the Catholic Church for his refusal to convert even under duress.

600–675 · Medieval · Benedictines

Máel Dub (the Gaelic name Máel meaning "disciple" and Dub being a byname, "dark"; Latinized as Maildubus, anglicized as Maildulf and other variants) was a Saint and reputed Irish monk of the 7th century, said to have founded a monastic house at Malmesbury, England.

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.

650–720 · Medieval

Saint Meneleus (or Mauvier, Menele, Meneve, Menevius, Ménélée; died 720) was a French monk who founded the Menat Abbey. According to the 12th-century Vita Menelei and Vita S. Theofredi, Meneleus was descended from the Roman emperor Heraclius.

1832–1869 · Modern · Dominican Order

Narcisa de Jesús Martillo Morán (29 October 1832 – 8 December 1869) was an Ecuadorian virgin and Dominican tertiary in the Roman Catholic Church.

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).

1877–1942 · Contemporary

Narcyz Putz (born October 28, 1877, in Sieraków; died December 5, 1942, in Dachau) was a Polish Catholic priest, a blessed of the Roman Catholic Church, administrator and pastor of the Sacred Heart of Jesus parish in Bydgoszcz (1920–1925), pastor of St.

1879–1942 · Contemporary

Narcyz Turchan was a Polish monk and presbyter born in 1879 in Wieliczka. He died in 1942 at the Dachau concentration camp. He is recognized as a saint in the Catholic Church.

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.

650–747 · Medieval

Natalis (Latin: Natalis, Italian: Natale) was Archbishop of Milan in the mid-8th century. He is venerated as a saint in the Eastern Orthodox Church and Roman Catholic Church. His feast day is May 13.

500–547 · Medieval · Benedictines

Saint Nebridius (Catalan: Nebridi, Spanish: Nebridio) was bishop of Egara (Terrassa) (516–527) and then bishop of Barcelona from 540 to around 547 AD. His feast day falls on 9 February.

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.

1814–1860 · Modern · First Order of Saint Francis

Nicanor Ascanio was a Spanish Catholic priest, friar, and missionary of the Order of Friars Minor who was born in Villarejo de Salvanés in 1814. He died in Damascus in 1860 and is recognized as a canonized saint of the Catholic Church.

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.

1130–1187 · Medieval · Augustinians

Nicasius (Nicasio, Nicaise) of Sicily (also known as Nicasio Burgio, Nicasius de Burgo, Nicasio Camuto de Burgio, Nicasius Martyr, Nicasius of Jerusalem) (c. 1135 – 1187) is venerated as a martyr in the Catholic Church.

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…

513–569 · Medieval

Saint Nicetius (French: Saint Nizier) (c. 525 - c. 566) was a bishop of Trier, born in the latter part of the sixth century, exact date unknown; died in 563 or more probably 566.

513–573 · Medieval

Saint Nicetius (Nicetus, Nicet or Nizier) (513 – 2 April 573) was Archbishop of Lyon, then Lugdunum, France, during the 6th century. He served from 552 or 553. He is venerated as a saint in the Catholic Church.

1792–1839 · Modern

Saint Nicholas Bùi Đức Thể (Vietnamese: Nicôla Bùi Đức Thể) (born c. 1792 in Kiên Trung, Nam Định Province, Vietnam – died June 13, 1839, in Thừa Thiên, Vietnam) was a martyr and a saint of the Catholic Church. The exact date of Nicholas Bùi Đức Thể's birth is unknown.

820–867 · Medieval

Pope Nicholas I (Latin: Nicolaus I; c. 800 – 13 November 867), called Nicholas the Great, was the bishop of Rome and ruler of the Papal States from 24 April 858 until his death on 13 November 867.

1550–1606 · Reformation · Society of Jesus

Nicholas Owen, S.J., (c. 1562 – 1/2 March 1606) was an English Jesuit lay brother who was the principal builder of priest holes during the reigns of Queen Elizabeth I and James I of England.