Mexico · 1531Our Lady of Guadalupe
Hope · Dignity of every people · Evangelization
Historical shrine and devotionRelated Holy See act or document
Read the storyTheotokos · Mater Dei — A Catholic Treasury of Our Lady
Mary, Motherof the Church
Explore a Catholic treasury of Scripture, prayer, Marian apparitions, shrines, feasts, saints, and devotion from around the world.
All Marian devotion finds its meaning in Christ, the one Saviour and the heart of the Gospel.
Faithful to Catholic teaching
Church documents & Scripture
Clearly cited sources
Prayerful & accessible
Our charter
A treasury, not a catalogue
Three commitments govern every page of this work — written before a single article, and reviewed with every one.
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To Jesus through Mary
Mary never keeps anything for herself. Every title, feast, shrine, and prayer in this treasury exists to do one thing: lead a person to her Son. As she said at Cana — “Do whatever he tells you.” (John 2:5, RSV-CE). This is the measure of everything we publish.
John 2:5 · RSV-CE · excerptFaithful and clearly sourced
We draw from the Catechism, Sacred Scripture, documents of the Holy See, and official diocesan and shrine sources. History, testimony, doctrine, and devotion are labelled for what they are — and every apparition carries its exact Church status, never a vague “approved.”
Open to every nation
Inspired by the exhibition of St. Carlo Acutis, this treasury gathers Marian devotion from Mexico to Rwanda, Lithuania to Portugal — one Church, one Mother, prayed in every language on earth. It is built to welcome scholars, parishes, the elderly, and the simply curious alike.
Mater EcclesiaeRegina CaeliStella MarisSalve ReginaMater DolorosaAuxilium ChristianorumRosa MysticaDomus AureaTurris DavidicaRegina PacisJanua CaeliRefugium Peccatorum
Four doors into the treasury
Begin where you are
The featured collection
Marian apparitions & living devotions
Places where Catholics have heard powerful calls to prayer, conversion, reconciliation, and hope. Each page names its exact Church status and its sources.
Mexico · 1531
France · 1858Our Lady of Lourdes
Prayer · Penance · Care for the sick
Diocesan judgement · see scopeRelated Holy See act or document
Read the story
Portugal · 1917Our Lady of Fátima
The Rosary · Penance · Peace
Diocesan judgement · see scopeRelated Holy See act or document
Read the story
Rwanda · 1981Our Lady of Kibeho
Repentance · The Rosary of the Seven Sorrows · Reconciliation
Diocesan judgement · see scope
Read the storyToday with Mary
One day, one grace
A feast, a verse, a prayer, and a word from the saints — renewed each morning.
Saturday 17 October 2026
General Roman Calendar
Walking with Mary
No Marian celebration appears on the General Roman Calendar today. Yet every day, the Church contemplates Christ with Mary, his Mother.
Open the calendarScripture · RSV-CE
John 19:26–27 · RSV-CE
When Jesus saw his mother, and the disciple whom he loved standing near, he said to his mother, “Woman, behold, your son!” Then he said to the disciple, “Behold, your mother!” And from that hour the disciple took her to his own home.
John 19:26–27 · RSV-CEA short prayer
Hail Mary
Ave Maria · Latin
Sung Hail Mary · Sung in Latin, not a recording of the displayed translation.
Schola Gregoriana, Pallottine Seminary, Ołtarzew · conducted by Fr. Dariusz Smolarek
Fundacja Caecilianum & WSD SAC · 2007 · historical chant · converted to MP3; no musical edits.
English · sung prayer
Recording not yet available
Can you sing this prayer? Volunteer singers and choirs are warmly invited to contribute a recording for this free prayer treasury. Please use the published prayer text and contact us about sharing a recording you own and permit us to use.
Offer a recordingHail Mary, full of grace! the Lord is with thee: blessed art thou amongst women, and blessed is the fruit of thy womb, Jesus. Holy Mary, Mother of God, pray for us sinners, now and at the hour of our death. Amen.
Baltimore Catechism no. 2 · Angelical SalutationFrom the saints
St. Louis-Marie de Montfort
“For never do we honour Jesus Christ more than when we are most honouring His Blessed Mother.”
True Devotion, §94 · F. W. Faber translation (1863), pp. 64–65 · excerptLearn and pray
Doctrine to ponder, prayers to keep
Whether you are beginning the Rosary, preparing for a Marian feast, or simply asking the Mother of Jesus to pray for you — begin here.
01 · Ephesus · 431
Mother of God
Theotokos · God-bearer
The child Mary bore is not a human person alongside the Son of God. He is the eternal Son himself, truly made man. Calling her Mother of God safeguards the identity of Jesus Christ.
CCC 495, 509
02 · Ancient confession · Lateran synod, 649
Perpetual Virginity
Aeiparthenos · Ever-virgin
Mary’s virginity before, in, and after Christ’s birth expresses God’s initiative in the Incarnation and her undivided gift of herself to his saving purpose.
CCC 496–507, 510
03 · Ineffabilis Deus · 8 December 1854
The Immaculate Conception
Panagia · All-holy by grace
From the first instant of her own conception, Mary was preserved from original sin by a singular grace of God, entirely through the saving merits of Jesus Christ.
CCC 490–493, 508
04 · Munificentissimus Deus · 1 November 1950
The Assumption
Dormition · Taken into glory
At the completion of her earthly life, Mary was taken body and soul into heavenly glory. Her destiny is a gift of Christ’s victory and a sign of the resurrection promised to his people.
CCC 966, 974
An invitation
Pray with Mary, wherever you are
Leave an intention, and it will be remembered quietly in prayer.