Friedrich Bernard Christian Maassen
United Sees of Macerata and Tolentino
Vicariate Apostolic of Mackenzie
Marie-Edmé-Patrice-Maurice de MacMahon
Joseph-Anna-Marie de Moyria de Mailla
François-Pierre-Gonthier Maine de Biran
Françoise, Marquise de Maintenon
Joseph-Marie, Comte de Maistre
Marcellinus of Civezza, O.F.M.
Margaret of the Blessed Sacrament
Prefecture Apostolic of Mariana Islands
Congregation of the Missionaries of Mariannhill
Sts. Maris, Martha, Audifax, and Abachum
Lucius Perpetuus Aurelianus Marius Maximus
Vicariate Apostolic of Marquesas Islands
Moral and Canonical Aspect of Marriage
Diocese of Marseilles (Massilia)
Vicariate Apostolic of the Marshall Islands
Diocese of Marsico Nuovo and Potenza
Luigi Ferdinando, Count de Marsigli
Missionaries of the Company of Mary
Servants of Mary (Order of Servites)
Society of Mary (Marist Fathers)
St. Mary Frances of the Five Wounds of Jesus
Richard Angelus a S. Francisco Mason
Devises and Bequests for Masses (United States)
Feast of the Maternity of the Blessed Virgin Mary
Marcus Aurelius Valerius Maximianus
Caius Julius Verus Maximinus Thrax
Prefecture Apostolic of Mayotte, Nossi-Bé, and Comoro
Charles Joseph Eugene de Mazenod
Abbey and Congregation of Melk
Vicariate Apostolic of Méndez and Gualaquiza
Francisco Sarmiento de Mendoza
Corporal and Spiritual Works of Mercy
Sisters of Mercy of St. Borromeo
Frédéric-François-Xavier Ghislain de Mérode
Delegation Apostolic of Mesopotamia, Kurdistan, and Armenia
Metal-Work in the Service of the Church
Prince Klemens Lothar Wenzel von Metternich
Francis, Joseph, and Paul Mezger
Military Orders of St. Michael
Giovanni Francesco Pico della Mirandola
Congregation of the Sisters of Misericorde
Prefecture Apostolic of Misocco and Calanca
Congregation of Priests of the Mission
Congregation of Missionaries of St. Charles Borromeo
Missionaries of St. Francis de Sales of Annecy
Missionary Society of St. Paul the Apostle
Mission Indians (of California)
Catholic Indian Missions of Canada
Catholic Indian Missions of the United States
François-Napoléon-Marie Moigno
Diocese of Molfetta, Terlizzi, and Giovinazzo
Jean-Baptiste Poquelin Molière
Principality and Diocese of Monaco
Canonical Erection of a Monastery
Monophysites and Monophysitism
Monothelitism and Monothelites
Montagnais Indians (Chippewayans)
Charles-Forbes-René, Comte de Montalembert
Marquis de Louis-Joseph Montcalm-Gozon
Diocese of Monterey and Los Angeles
Charles-Louis de Secondat, Baron de Montesquieu
Anne, First Duke of Montmorency
Alexis-François Artaud de Montor
Antoine-Jean-Baptiste-Robert Auget, Baron de Montyon
Dioceses of Mostar and Markana-Trebinje
Feast of the Most Pure Heart of Mary
Toribio de Benavente Motolinia
Congregations of Mount Calvary
Feast of Our Lady of Mount Carmel
Karl Ernst, Freiherr von Moy de Sons
Johann Chrysostomus Wolfgang Amadeus Mozart
St. Clair Augustine Mulholland
Baron Eligius Franz Joseph von Münch-Bellinghausen
Archdiocese of Munich-Freising
Born at Loudun, 6 February, 1830; died at Blaslay, Vienne (France), 29 March, 1901. He came of a noble and large family, and, when only eight years old, was confided to the care of his great-uncle, Mgr Montault des Isles, Bishop of Angers. He studied theology at the Seminary of St. Sulpice, and went to Rome to continue his studies in theology and archæology at the Sapienza and the Roman College. After four years his health obliged him to return to France (1857), where he was appointed historiographer of the Diocese of Angers. He searched the archives of the diocese with great diligence, studied its inscriptions and monuments, and founded a diocesan museum, a project in which de Caumont took a lively interest. Another sojourn of fourteen years in Rome (1861-75) enabled him to augment his already extensive knowledge of liturgy and Christian antiquities. Meanwhile he was of great service to different French bishops as canonical consultor, and at the Vatican Council acted as theologian to Mgr Desflèches, Bishop of Angers. His first archæological study appeared in 1851 in the "Annales archéologiques", and Didron assigned him the task of making an index for this publication. Mgr Barbier de Montault was one of the most prolific contributors to the "Revue de l'art chrétien" from the inception of this periodical, his articles continuing to appear until 1903 (two years after his death). He also wrote numerous articles for other reviews as well as several separate works on iconography, ecclesiastical furniture, liturgy, canon law, etc. In 1889 he began to reprint his scattered works, classifying them according to subjects. This publication was to comprise sixty volumes, but went no further than the sixteenth, and is to be recommended more for its erudition than for its critical value. Works: "Œuvres complètes" (unfinished): I. "Inventaires ecclésiastiques"; II. "Le Vatican"; III. "Le Pape"; IV-V. "Droit papal"; VI-VIII. "Dévotions populaires"; IX-XVI. "Hagiographie" (Rome, 1889-1902); "Traité d'iconographie chrétienne" (2vols., Paris, 1890); "Collection des décrets authentiques des ss. congregations romaines" (8 vols., Rome, 1872).
HELBIG, Mgr Xavier Barbier de Montault in Revue de l'art chrétien, (1901), 357-60; GIRON, Mgr X. B. de Montault, bio-bibl., Hommes (1910).
R. Maere.