- Calling Mary the Mother of God
- Madonna del Mirto
- Madonna del Parto
- Madonna del Terzito
- Madonna House
- Madonna of Caravaggio Shrine
- Madonna of the Street
- Madonna, History of Term
- Madonna, Origins of Title
- Magi Visit, Date
- Magisterial Documents Index
- Magisterial Documents on Mary from 1854-2003
- Magisterial Documents: A Concilio Constantinopolitano I
- Magisterial Documents: Amoris Laetitia
- Magisterial Documents: Basic Teachings for Catholic Religious Education
- Magisterial Documents: Behold Your Mother: Woman of Faith
- Magisterial Documents: Catechesi Tradendae
- Magisterial Documents: Catechism of the Catholic Church
- Magisterial Documents: Christi Matri
- Magisterial Documents: Deus Caritas Est
- Magisterial Documents: Directorium Catechisticum Generale
- Magisterial Documents: Dives in Misericordia
- Magisterial Documents: Dominum et Vivificantem
- Magisterial Documents: Ecclesia de Eucharistia
- Magisterial Documents: Ecclesia in Africa
- Magisterial Documents: Ecclesia in America
- Magisterial Documents: Ecclesia in Asia
- Magisterial Documents: Ecclesia in Europa
- Magisterial Documents: Ecclesia in Oceania
- Magisterial Documents: Evangelii Gaudium
- Magisterial Documents: Evangelium Vitae
- Magisterial Documents: Fides et Ratio
- Magisterial Documents: Gaudete et Exultate
- Magisterial Documents: Gaudete in Domino
- Magisterial Documents: Guidelines on Doctrine for Catechetical Materials
- Magisterial Documents: Laudato Si'
- Magisterial Documents: Letter to Priests for Holy Thursday 1988
- Magisterial Documents: Letter to Women – Beijing Conference
- Magisterial Documents: Litterae Encyclicae
- Magisterial Documents: Lumen Fidei
- Magisterial Documents: Lumen Gentium 8
- Magisterial Documents: Marialis Cultus
- Magisterial Documents: Marian Devotion
- Magisterial Documents: Mary and God the Father
- Magisterial Documents: Mary and Jesus Christ
- Magisterial Documents: Mary and the Church
- Magisterial Documents: Mary and the Holy Spirit
- Magisterial Documents: Mense Maio
- Magisterial Documents: Misericordiae Vultus
- Magisterial Documents: Mulieris Dignitatem
- Magisterial Documents: Mysterium Fidei
- Magisterial Documents: Novo Millennio Ineunte
- Magisterial Documents: Orientale Lumen,Ut Unum Sint
- Magisterial Documents: Orientation and Proposals for the Celebration of the Marian Year
- Magisterial Documents: Pastoral and Catechetical Aspects
- Magisterial Documents: Pastores Gregis
- Magisterial Documents: Recurrens Mensis October
- Magisterial Documents: Redemptor Hominis
- Magisterial Documents: Redemptoris Custos
- Magisterial Documents: Redemptoris Donum
- Magisterial Documents: Redemptoris Mater
- Magisterial Documents: Redemptoris Missio
- Magisterial Documents: Rosarium Virginis Mariae
- Magisterial Documents: Sharing the Light of Faith
- Magisterial Documents: Signum Magnum
- Magisterial Documents: Solemni Hac Liturgia
- Magisterial Documents: Sollicitudo Rei Socialis
- Magisterial Documents: Spe Salvi
- Magisterial Documents: Tertio Millennio Adveniente
- Magisterial Documents: The Life of Mary
- Magisterial Documents: The Person of Mary
- Magisterial Documents: The Virgin Mary in Intellectual and Spiritual Formation
- Magisterial Documents: Veritatis Splendor
- Magisterial Documents: Vita Consecrata
- Magnificat Meal Movement
- Magnificat Meditation
- Magnificat Reflection
- Major League Apparitions
- Mano Poderosa
- Marcellin Champagnat, Marist Founder
- Marguerite Vourgeoys, Congregation of Notre Dame Founder
- Maria Bambina, Devotion to
- Maria Baumgärtle Shrine
- Maria de Talpa
- Maria dell'Olivella
- Maria Pocs
- Marian Eucharistic Titles: Historical Genesis
- Marian Films
- Marian Icons Survey
- Marian Masses during Advent and Lent
- Marian Movement of Priests
- Marian Prayer: Reasons Why
- Marian Studies Bibliography
- Marian Teachings Pre-Early Modern Period
- Marian Years
- Marianist Dedication Prayer
- Marianist Doxology
- Marianist Feast Days
- Marianist Lay Communities
- Marianist Spirituality Traits: Mary, Mission, Community
- Marianist Spirituality: Apostolic Mission
- Marianist Tradition
- Marianist Vision and Spirit
- Marianists
- Marianists on the Road to Sainthood
- Marianka Shrine
- Marienfried Apparitions
- Marigolds: Mary's Gold
- Mariological Congress Joint Resolution
- Mariology in 2002
- Mariology on the Move
- Marital Relationships and the Holy Family
- Marmion, Spirituality of
- Marpingen Apparitions
- Marriage and Virginity
- Marriage of Mary and Joseph, Oldest Image
- Mary Garden, Annapolis, Maryland
- Mary Garden, Cincinnati, Ohio
- Mary Garden, Woods Hole, Massachusetts
- Mary Garden: University of Dayton
- Mary Gardens Explored
- Mary Had a Little Lamb Poem
- Mary Immaculate, Patroness of the United States of America
- Mary Magdalene
- Mary of the Nettles
- Mary Told Differently
- Mary-is-God-Catholic-Movement Condemned
- Mary-Likeness
- Mary, the Air We Breathe
- Mary's Last Words in the Bible
- Mary's Understanding of Her Role in Christ's Life
- May Altar: Origins
- May and Mary
- May Crownings
- May Devotion: History
- May Flowers
- May Hymns
- May Poetry
- Mediatrix, Coredemptrix and Advocate Declaration
- Mediatrix, Rejection of Dogma
- Medjugorje Apparations
- Medjugorje Bibliography
- Medjugorje Chaplet
- Memorare Prayer
- Men and Mothers
- Menstruation and Mary
- Mercy, Representation in Asian Religions
- Militia of the Immaculata
- Militia of the Immaculata: Marian Studies
- Militia of the Immaculate: Who They Are
- Miracles and Children
- Miraculous Images
- Miraculous Medal
- Mirror of Hope
- Misioneros Servidores de la Palabra
- Mission of Shrines
- Mission Rosary
- Missionaries of the Divine Redeemer
- Missionaries of the Sacred Heart of Jesus and Our Lady of Guadalupe
- Model for Women, Mary as
- Model of Advent
- Model of Married Life
- Modern Apparitions, New Forms
- Monte Sameiro Shrine
- Montfort Consecration
- Montfort on the Rosary
- Montfort, Statues by
- Montserrat Black Madonna
- Moon as a Symbol
- Morgan, Name Origins
- Most Popular Prayer to Mary
- Mother Cabrini Shrine, Alleged Apparitions
- Mother God: No Feminine Principle to Our Creator
- Mother of God, Mary as
- Mother of God/Theotokos Sermon
- Mother of Jesus as Title
- Mother of Our Redeemer
- Mother of Sorrows
- Mother of the Church
- Mother of the New World
- Motherly Mediation
- Mothers of the Bible by Ginny Baughman
- Mount Athos and Mary
- MRA: Meaning
- Multicultural Marian Articles
- Murree Shrine of "Mary's Grave"
- Music by Howard Hughes
- Music for Advent
- Music for Christmas
- Music for Easter
- Music for Lent
- Music for Litanies
- Music for Magnificats
- Music for Ordinary Time
- Music in Hymnals
- Myriam and Mary
- Myriam, Origins of Name
- Mystical City of God by Mary of Agreda
- Mythology and Mary