| Maanahem, relation of King Herod |
| Macarius of Antioch, Martyr |
| Macarius of Ghent |
| Macarius of Kanev (of Ordez), Founder of the Church of the Dormition in Ordez |
| Macarius the Great (the Elder), Abbot of Skete, Egypt |
| Macarius, a Lybian martyred in Alexandria |
| Macarius, Martyr |
| Macarius, Patriarch of Jerusalem |
| Machar, Bishop of Aberdeen, Apostle of the Picts |
| Machutus, Welsh Bishop of Aleth (Maclou or Malo of Brittany) |
| Macra (Magra), Virgin martyred near Rheims |
| Macrina the Elder, Grandmother of Basil the Great, Gregory of Nyssa, & Peter of Sebaste |
| Macrina the Younger, Church Mother, sister of Basil, Gregory of Nyssa, & Peter of Sebaste |
| Maddalena Caterina Morano, Salesian Nun |
| Madeleine Sophie Barat, Foundress of the Madames of the Sacred Heart |
| Magdalena Atridino |
| Magdalena of Nagasaki, third order Augustinian, Virgin and Martyr |
| Magdalene of Cannossa, Foundress of the Connossan Daughters of Charity |
| Magi - Balthazar, Gasper (aka Casper) and Melchior |
| Maginus of Tarragona, Hermit, Martyr, Apostle of Tarragona and its Patron Saint |
| Magloire, Bishop of Dol in Brittany |
| Magnus of Rome, Deacon and Martyr |
| Magnus, Bishop of Trani, Martyr |
| Magnus, Governor of the Orkneys and Martyr |
| Majolus (Mayeul), African Martyr |
| Majora, Martyr |
| Malachy O’More, Archbishop of Armagh and Cistercian |
| Malard (Malchard), Bishop of Chartres |
| Mamas of Caesarea, Martyr |
| Mamertus, Archbishop of Vienne |
| Mande (Manudez) |
| Manequilda of Chalons, Virgin |
| Manettus dell’ Antella, One of the Seven Holy Founders of the Servite Order |
| Manno (Manetus, Manasses) De Guzman, Dominican, older brother of St. Dominic |
| Mansuetus (Mansuy), First Bishop of Toul |
| Mansuetus, Archbishop of Milan |
| Manuel Gonzalez Garcia, Bishop of Palencia |
| Manuel Moralez, Mexican Layman, Husband and Father, Cristero Martyr |
| Manuel, Martyr |
| Marana of Berea, Syrian Ascetic Virgin |
| Marcelina Kotowicz Darowska, Co-foundress of the Sisters of the Immaculate Conception |
| Marcellian, Martyr |
| Marcellianus, Martyr |
| Marcellin Champagnat, Priest, Founder of the Marist Brothers |
| Marcellina of Trier, Virgin, Sister of St. Ambrose |
| Marcellinus |
| Marcellinus of Rome, Priest and Martyr |
| Marcellinus, Bishop of Embrun |
| Marcellinus, Bishop of Puy-en-Velay |
| Marcellinus, Pope and Martyr |
| Marcellus I, Pope |
| Marcellus of Capua, Martyr |
| Marcellus of Rome, Martyr |
| Marcellus of Tangier, Soldier and Martyr |
| Marchelmus, Bishop |
| Marciana of Albi, Virgin |
| Marciana of Mauretania, Virgin and Martyr |
| Marcianus, First Bishop of Tortona, Martyr |
| Marcianus, Syrian Hermit |
| Marculf (Marcouf), Abbot of Nantes |
| Marek Krizin (Korosy of Krizevacanin), Croatian Priest, Martyred in Košice, Slovakia |
| Margaret |
| Margaret (Marina) of Antioch, Virgin and Martyr |
| Margaret Ball, Mayoress of Dublin, Martyr |
| Margaret Clitherow, Lay Woman, Martyred in York |
| Margaret Mary Alacoque, Visionary Nun of the Visitation Order |
| Margaret of Cortona, Penitent, Franciscan Nun |
| Margaret of Hungary, Princess, Dominican Nun |
| Margaret Plantagenet Pole, Countess of Salisbury, Martyr |
| Margaret Sinclair (Mary Frances of the Five Wounds), Scottish Poor Clare |
| Margaret Ward, English Martyr |
| Margaret, Queen of Scotland |
| Marguerite Bourgeoys, Founders of the Sisters of the Congregation of Notre Dame |
| Marguerite D’Youville, Widow, Foundress of the Grey Nuns, Canada’s First Saint |
| Maria (Paula) di Rosa, Superior of the Handmaids of Charity |
| Maria Angela (Sophia Camille) Truszkowska, Foundress of the Felician Sisters |
| Maria Anna Sala, a Sister of St. Marcellina, died of throat cancer |
| Maria Antonia Bandres Elosigui, Daughter of Jesus |
| Maria Assunta Pallotta, Franciscan of Mary, Missionary to China |
| Maria Bernarda (Verena) Butlet, foundress Franciscan Missionaries of Mary, Help of Sinners |
| Maria Bertilla Boscardin, Nursing Nun, Member of the Teachers of St. Dorothy |
| Maria De La Cabeza, Wife of St. Isidore the Farmer |
| Maria De La Yglesia Varo, Spanish Piarist Nun, Educator, Martyr |
| Maria Di Mattias, Foundress of the Adorers of the Precious Blood |
| Maria Domenica Mantovani, co-foundress of the Little Sisters of the Holy Family |
| Maria Gabriella Sagheddu, Italian Trappistine Nun |
| Maria Goretti, Martyr |
| Maria Josefa (Benedetta) Rossello, Foundress of the Daughters of Our Lady of Mercy |
| Maria Josefa of the Heart of Jesus, Sancho de Guerra, First Basque Saint |
| Maria Lopez de Rivas Martinez, Spanish Discalced Carmelite Nun |
| Maria Maravillas de Jesus, Discalced Carmelite Nun |
| Maria of the Angels (Maria Fontanella), Carmelite Nun |
| Maria Rosa Flesch |
| Maria Sagrario de San Luis Gonzaga, Spanish Carmelite Prioress, Martyr |
| Maria Teresa Scrilli, foundress of the Sisters of Our Lady of Mt. Carmel |
| Maria Terese Fasce of Cascia (Marietta), Augustinian Nun |
| Maria Teresia Ledóchowska, Foundress of the Sodality of St. Peter Claver for the African Missions and the Liberation of Slaves |
| Maria Vicenta de Santa Dorotea Chavez Orozco, Mexican Foundress of the Servants of the Holy Trinity and the Poor |
| Mariam of Jesus Crucified Bouardy, Carmelite Mystic |
| Marian (Marianus), Lector, Martyr of Numidia, Companion of St. James |
| Marianne Cope, Franciscan sister who ministered to the lepers in Molokai |
| Mariano de Jesus Euse Hoyos, Columbian Diocesan Priest |
| Marianus, Bishop of Syracuse |
| Marie Anne (Esther) Blandin, Canadian, Foundess of the Sisters of St. Anne |
| Marie Celine (Jeanne-Germaine) Chastang, Poor Clare Nun |
| Marie d’Oignies of Nivelles, Beguine |
| Marie Joseph Cassant, Trappist Priest |
| Marie Leonie (Alodie) Paradis, Foundress of the Little Sisters of the Holy Family (Canada) |
| Marie of the Incarnation (Barbara Acarie) Brought the Discalced Carmelites to France |
| Marie Rivier, Foundress of the Sisters of the Presentation |
| Marie-Anne Piedcourt, “Sister of Jesus Crucified”, eldest of the Martyred Carmelites of Compiegne |
| Marie-Eugenie de Jesus Milleret de Brou, Foundress of the Religious of the Assumption |
| Marie-Euphrasie Pelletier, Foundress of the Institute of Our Lady of Charity of the Good Shepherd |
| Marina of Omura, Japanese Dominican Tertiary, Martyr |
| Marino, Confessor |
| Marino, Deacon and Stone-carver, Patron of San Marino |
| Marinus of Rome, Martyr |
| Marinus, Hermit, Patron of San Marino |
| Marinus, Martyr |
| Marius, Persian Martyr |
| Mark the Evangelist |
| Mark Fantucci, Franciscan Vicar General |
| Mark the Gravedigger, Monk of the Great Lavra of the Caves in Kiev |
| Mark, Martyr |
| Mark, Martyr |
| Mark, Pope |
| Marolas, Bishop of Milan, Martyr |
| Maron, Syrian Monk, Founder of the Maronites |
| Marquard, Bishop of Hildesheim, Martyr |
| Marta Anna Wiecka, Polish Vincentian Sister |
| Martha of Bethany (vestibule of the large church and under her painting) |
| Martha of Persia, Virgin and Martyr |
| Martial, First Bishop of Limogues |
| Martianus, Bishop of Benevento |
| Martin de Porres, Dominican Lay Brother |
| Martin I, Pope |
| Martin of Vertou, Abbot |
| Martin, Bishop of Braga |
| Martin, Bishop of Tours |
| Martin, Bishop of Vienne |
| Martina of Rome, Virgin and Martyr |
| Martinian of Caesarea, Palestinian Hermit, died in Athens |
| Martyred Benedictine Monks of El Pueyo |
| Martyred Woman and Her Seven Sons in 2 Maccabees (their Orthodox names) |
| Abim |
| Alimus |
| Antonius |
| Eleazar |
| Eusebonus |
| Gurias |
| Marcellus |
| Solomonia |
| Martyrs of the Armenian Holocaust of 1915 |
| Martyrs of Agde, diocese of Montpellier, France |
| Florentia |
| Modestus |
| Tiberius |
| Martyrs of Antioch |
| Alphaeus, Lecton and Exorcist |
| Barulas |
| Romanus, Deacon |
| Zacchaeus, Deacon |
| Martyred in Asia |
| Agatha Lim – China |
| Andrew Kim – Korea |
| Augustine Schoeffler – Viet Nam |
| Etienne Cuenot – Viet Nam |
| Gabriel Dufresse – China |
| Jacques Chastain – Korea |
| Jean Louis Bonnard – Korea |
| Just de Bretenieres – Korea |
| Pierre Maubert – Korea |
| Theophane Venard – China |
| Martyred Family from Attala, Asia Minor |
| Hesperus (father) |
| Zoe (mother) |
| Cyriacus (son) |
| Theodulus (son) |
| Martyrs of Campania |
| Ariston |
| Crescencianus |
| Felicissimus |
| Felix |
| Martyrs of Carthage |
| Flavianus |
| Julianus |
| Lucius |
| Montanus |
| Victoricus |
| Martyrs of Chalcadon |
| Ismail |
| Manuel |
| Sabel |
| Martyrs of Crete |
| Agatopus |
| Basilides |
| Cleomenes |
| Eunicianus |
| Euporus |
| Evaristus |
| Gelasius |
| Saturninus |
| Theodulus |
| Zoticus |
| Martyrs of Cuncolim, India, July 15, 1583 |
| Alphonsus (Alfonso) Pacheco |
| Anthony Francis |
| Francis Aranha |
| Peter Berno |
| Rudolph (Rodolfo) Aquaviva, Jesuit Missionary Priest |
| Martyrs of Cyzicus |
| Antipater |
| Artemas |
| Magnus |
| Philemon |
| Rufus |
| Thaumasius |
| Theodotus |
| Theognes |
| Theostichus |
| Martyrs from Egypt |
| Ateus |
| Dioscoros |
| Heron |
| Isidore |
| 3 Carmelite Martyrs of Guadalajara |
| Maria Angeles of St. Joseph |
| Maria Pilar of St. Francis Borgia |
| Teresa of the Infant Jesus |
| Martyrs of Gorkum |
| Adrianus van Hilvarenbeek |
| Andreas Wouters |
| Antonius van Hoornaar |
| Antonius van Weert |
| Cornelius van Wijk |
| Franciscus de Roye |
| Godfrey (Godefridus) van Duynen |
| Godfried van Melveren |
| Hieronymus van Weert |
| Jacobus Lacops |
| Johannes Lenaerts |
| Johannes of Cologne (van Hoornaer) |
| Leonardus van Veghel |
| Nicasius Janssen van Heeze |
| Nicolaas Pieck |
| Nicolaas Poppel |
| Petrus van Assche |
| Theodorus van der Eem |
| Willehad of Denmark |
| Martyrs of Granada |
| Caecilius, First Bishop and Martyr |
| Patricius |
| Septentrius |
| Martyrs of Motril – parish priest and 7 Augustinian Recollets: |
| Manuel Martiun Serra |
| Julian Benigno Moreno, O.A.R. |
| Deogracias Palacios, O.A.R. |
| Jose Ricardo Diaz, O.A.R. |
| Vincente Soler, O.A.R. |
| Jose Rada, O.A.R. |
| Leon Inchausti, O.A.R. |
| Vicente Pinilla, O.A.R. |
| Martyr of Trier |
| Martyrs,10,000 of Persia |
| Martyrs of Nowogrodek, Poland, sisters (11 Holy Family of Nazareth Sisters) |
| Adela Mardosewicz (M. Stella) Superior, age 54 |
| Anna Kokolowicz (M. Rajmunda) age 50 |
| Eleonora Aniela Jozwik (M. Daniela) age 48 |
| Eugenia Mackiewicz (M. Kanizja) age 39 |
| Helena Cierpka (M. Gwidona) age 43 |
| Jadwiga Karolina Zak (M. Imelda) age 50 |
| Jozefa Chrobot (M. Kanuta) age 47 |
| Julia Rapiej (M. Sergia) age 42 |
| Leokadia Matuszewska (M. Heliodora) age 37 |
| Paulina Borowik (M. Felicyta) age 37 |
| Weronika Narmontowicz (M. Boromea) age 26 |
| Martyrs of Otranto |
| Martyrs of the 1871 Paris Commune |
| Archbishop Georges Darboy of Paris |
| Abbe’ Becourt |
| Father Brouard |
| Father Caubert |
| Father Clerc |
| Abbe’ Deguerry, Pastor of La Madeleine |
| Father De Benguy |
| Father Ducoudray, part of his cassock worn in prison, April & May, 1871 |
| Abbe’ Houillon |
| Father Neomede |
| Abbe’ Olivaint |
| Father Planchat |
| Father Radigue |
| Father Rouchouse |
| Abbe’ Sabatier |
| Abbe’ Seigneuret |
| Father Tardieu |
| Father Tufier |
| Martyrs of the Paris Commune – 5 Jesuit Priests |
| A. Clerc |
| A. De Bengny |
| J. Caubert |
| L. Ducoudray |
| Pierre Olivaint |
| Martyrs of Pratulin (13) Wincenty Lewoniuk and his Companions |
| Scillitan Martyrs |
| Forty Martyrs of Sebaste |
| Acacius |
| Aetius |
| Aglaius |
| Alexander |
| Angius |
| Athanasius |
| Candidus |
| Chudion |
| Claudius |
| Cyril |
| Cyrion |
| Dometian |
| Domnus |
| Ecditius |
| Elias |
| Eunooicus |
| Eutyches |
| Eutychius |
| Flavius |
| Gaius |
| Gorgonius |
| Helianus |
| Heraclius |
| Hesychius |
| John |
| Lysimachus |
| Meliton |
| Nicholas |
| Philoctimon |
| Priscus |
| Sacerdon |
| Severian |
| Sisinius |
| Smaragdus |
| Theodulus |
| Theophilus |
| Valens |
| Valerius |
| Vivianus |
| Xantheas |
| Martyrs of Segovia |
| Engracia |
| Fructos |
| Valentine |
| Martyrs of Shanxi, China, sisters (7 Franciscan Missionaries of Mary) |
| Anna Dierk (Maria Adolphina) |
| Anne Moreau (Marie of Saint-Just) |
| Clelia Nanetti (Maria Clara) |
| Irma Grivot (Marie Ermellina of Jesus) |
| Jeanne-Marie Kuergin (Marie of Sainte-Nathalie) |
| Marianna Giulianni (Maria of Peace) |
| Pauline Jeuris (Marie Amandine) |
| Martyrs of Spoleto |
| Martyrs of Talavera |
| Christeta |
| Sabina |
| Vincent |
| Martyrs of Thailand |
| Agatha Phutta, unmarried woman, helper in the kitchen |
| Agnes Phila, nun, a member of the Congregation of the Lovers of the Cross |
| Bibiana Khamphai, age fifteen |
| Cecilia Butsi, age sixteen |
| Lucia Khambang, nun, a member of the same congregation |
| Maria Phon, age fourteen |
| Philip Siphong, “the man of oak”, lay religious leader of Songkhon |
| Martyrs of Thessalonika |
| Agape |
| Anysia |
| Aristarchus |
| Matrona |
| Martyrs of Tripoli |
| Hypatius |
| Leontius |
| Publius |
| Theodulus |
| Martyrs of Vietnam |
| Peter DuMoulin Borie, French Bishop |
| Augustin Schoeffer, French Priest |
| Martin Ta Du Thih, Priest |
| Francois Jaccard, French Priest |
| John Gabriel Perboyre, French Priest |
| Peter Le Tuy, Priest |
| Peter Nguyen Dich Laic, Priest |
| Peter Truong Van Duong, Catechist |
| Jean Charles Cornay, French Priest* |
| Jean Louis Bonnard, Frech Priest |
| Martyrs of Vietnam |
| Valentine Berriochoa, O.P., Basque Bishop |
| Dom |
| Francis Gil de Federich, O.P., Catalonian Priest |
| Jacinto Castaneda, O.P., Spanish Priest |
| Jerome Hermosilla, Spanish Bishop |
| Joseph Canh Luang Hoang |
| Joseph Khang, physician |
| Joseph Vien Dinh Dang |
| Matthew Alonzo Leziniona, O.P., Spanish Priest |
| Peter Almato’ i. Ribera, O.P., Catalonian Priest |
| Thomas De Van Nguyen |
| Vicente Liem de la Paz |
| Martyrs of Vietnam |
| Father Francois-Isidore Gagelin |
| Matthew Gam Van Le |
| Peter Duone Van Truong |
| Andrew Dung-Lac An Tran |
| Father Jean Charles Cornay* |
| John Baptist Con |
| Joseph Uyen Dinh Nguyen |
| Luke Loan Ba Vu |
| Martin Thinh Duc Ta |
| Peter Thi Van Truong Phan |
| Pierre Dumoulin-Borie |
| Simon Hoa Dac Phan |
| M. Michaela Desmaisieres y Lopez de Dicastillo, Foundress of the Handmaids of the Blessed Sacrament |
| Maruthas, Bishop of Maiperkat (Tagrit), Mesopotamia |
| Mary Catherine Kasper |
| Mary Elizabeth Hesselblad, Foundress, Returned the Brigittines to Sweden |
| Mary Frances of the five Wounds of Jesus (Anna Maria Gallo), Franciscan Stigmatic, Mystic |
| Mary Magdalene (Julia Frances Catherine) Postel, Foundress of the Daughters of Mercy |
| Mary Magdalene dei Pazzi, Carmelite Mystic |
| Mary Magdalene, Apostle to the Apostles |
| Mary Mazzarello, Foundress of the Salesian Sisters |
| Mary of Bethany |
| Mary of Cleophas |
| Mary of Edessa, Syria, Harlot, Penitent |
| Mary of Egypt, Penitent |
| Mary of the Divine Heart (Maria Droste zu Vischering) Sister of the Good Shepherd |
| Mary Salome |
| Mary Theresa (Josephine) Dudzik, Foundress of the Franciscan Sisters of Chicago |
| Massabki Brothers, 3 Maronite Martyrs |
| Massabki Brothers, 3 Maronite Martyrs |
| Massabki Brothers, 3 Maronite Martyrs |
| Mateo Correa Magallanes, Priest, Cristero Martyr |
| Maternus, Bishop of Cologne |
| Maternus, Bishop of Milan |
| Matilda, Queen of Germany |
| Matrona of Moscow |
| Matthew Talbot, Patron of Alcoholics |
| Matthew, Apostle and Evangelist |
| Matthia De Nazzarei, Poor Clare Abbess |
| Matthias Molumba, Ugandan Martyr |
| Matthias the Apostle |
| Matthias, Patriarch of Jerusalem |
| Maudentius (Maudez), Irish Abbot |
| Maughold (Macaldus), Former Pirate, Bishop, Patron of the Isle of Man |
| Maura of Ireland, Martyr |
| Maura of Troyes, Virgin and Martyr |
| Maura, Scottish Princess, martyred in Picardy with her sister Brigid (Britta) |
| Maurice, Solider and Martyr |
| Maurus |
| Maurus, Benedictine Abbot of Subiaco |
| Maurus, Bishop of Casana |
| Maxima, Martyr |
| Maxima, Virgin and Martyr |
| Maximianus, Archbishop of Ravenna |
| Maximianus, Bishop of Bagai, North Africa |
| Maximianus, Bishop of Syracuse |
| Maximilia, Martyr |
| Maximilian (Raymond) Kolbe, Conventual Franciscan Priest, Martyred in Auschwicz |
| Maximilian of Tebessa, Martyr, Numidian Soldier, Conscientious Objector |
| Maximus |
| Maximus of Cuma, Martyr |
| Maximus the Confessor (Homologetes), Abbot and Father of the Church |
| Maximus, 4th Bishop of Nola |
| Maximus, Bishop of Mainz |
| Maximus, Bishop of Turin |
| Maximus, Patriarch of Jerusalem |
| Mayeul, Abbot of Cluny |
| Mechtilde (Matilda) of Hackeborn, Benedictine Nun of Helfta convent, Mystic |
| Medard, Bishop of Noyon and Tournai |
| Mederic (Merry) Abbot |
| Mederic (Merry), Monk and Hermit |
| Méen, (Mevennus), Welsh Abbot, who founded the St. Méen Abbey in Brittany |
| Meinrad of Einsiedeln, Swiss Hermit |
| Melaine (Melanius), Bishop of Vannes, Brittany |
| Melania the Younger |
| Melanippus, Martyr |
| Melanius (Melaine), Bishop of Rennes |
| Melanius, Bishop |
| Melas (Melantius), Bishop of Rhinolura |
| Melchior Grodecz (Grodziecky), Czech Jesuit Priest, martyred in Košice, Slovakia |
| Melchior, one of the Three Magi |
| Meletius, Patriarch of Antioch |
| Melito, Bishop of Sardis, Father of the Church |
| Menas of Egypt, Great Martyr |
| Menas, Patriarch of Constantinople |
| Menehould, Virgin |
| Mercurial, Bishop of Forli |
| Mercurius of Cappadocia, Soldier, the Great Martyr |
| Meritus of Mauretania, Soldier and Martyr |
| Mesrop Mashtotz, Armenian Monk, Creator of the Armenian Alphabet |
| Methodius of Olympus, Bishop, Church Father, Martyr |
| Methodius, Bishop, Brother of Cyril, Missionary to the Slavs |
| Metron of Verona, Priest |
| Metrophanes of Byzantium, First Patriarch of Constantinople |
| Michael de Sanctis, Trinitarian Priest and Ecstatic |
| Michael Joseph McGivney, American Priest, Founder of the Knights of Columbus |
| Michael of Klopov, Russian Fool for Christ |
| Michael Rua, Salesian Priest, dear friend of St. John Bosco |
| Michael Syncelle, Monk at St. Sabas, Jerusalem |
| Michael the Archangel (stones from the grotto of apparitions at Monte Sant’ Angelo, Italy) |
| Michal Tomaszek, Conventual Franciscan Priest, Martyr |
| Miguel Augustin Pro, Mexican Jesuit Martyr |
| Miguel De La Mora, Mexican Priest, Cristero Martyr |
| Miguel Febres Cordero, Ecuadoran Christian Brother |
| Miguel Gomez Loza, Mexican Layman, Cristero Martyr |
| Mikhail Yaroslavich, Prince of Tver, Martyr |
| Milburga, Abbess of Wenlock, sister of St. Mildred |
| Mildred, Benedictine Abbess of Minster-at-Thanet, Sister of St. Milburga |
| Miltiades (Melchiades), Pope and Martyr |
| Minias (Miniato) of Florence, Soldier, Martyr |
| Miriam Teresa Demjanovich, American Reuthenian Sister of Charity |
| Mirocles, First Archbishop of Milan |
| Miropa of Chios, Martyr |
| Mobilia, Martyr |
| Moderan (Moran), Bishop of Rennes, Brittany |
| Modestinus, Martyr |
| Modestus, Bishop of Trier |
| Modestus, Martyr |
| Molaise (Laserian), Irish Abbot of Leighlin, Co. Carlow |
| Moloc, Moluag, Lua of Lismore, Irish Abbot in Scotland |
| Monica, Widow and Mother of St. Augustine of Hippo |
| Moninne, Abbess of Killeavy, Ireland |
| Monon of Nassogne, Irish Hermit in Belgium, Martyr |
| Morandus, Benedictine Monk of Cluny |
| Morwenna of Cornwall, Hermitess |
| Moses the Ethiopian, Priest, Desert Father |
| Mummolus of Burdeos. Martyr |
| Mummolus of Noyon |
| Mustiola of Chiusi, Martyr |
| Mutien-Marie (Mucian Maria) Wiaux, Belgian Brother of Christian Schools |
| Mychal Judge, Franciscan Fire Chaplain, first registered victim of 9/11, “Saint of 9/11” |
| Myron (Miron), Bishop of Cyzicus, Martyr |