Mary, Mother of God?

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January 1 is a Holy Day of Obligation for Roman Catholics.  Not because it is New Year’s day, but because it is the octave (8th day) of Christmas.  This feast of Mary, the Mother of God, brings home the reality of the incarnation. In Jesus, the Creator truly became man.  And that man had, and still has, a mother.  So affirmed the Ecumenical Council of Ephesus in AD 431.

To LISTEN to this post read by Dr. Italy, click on the play arrow on the left, directly below this paragraph.

The mother of the messiah has been called many things in the last 2000 years – the Virgin Mary, Our Lady, the Blessed Mother. But call her “the Mother of God,” and you’ll see some Christians squirm.


This is nothing new. One day in the early fifth century, a priest preached a stirring sermon in the presence of the patriarch of Constantinople. His subject was the holy mother of Jesus. The preacher continually referred to Mary as the “Theotokos” meaning “God-bearer.”  This was no innovation – by this time, Christians had been invoking Mary under this title for at least two hundred years.

Nevertheless, at the close of the sermon, the patriarch ascended the steps of the pulpit to correct the preacher. We should call Mary the Mother of Christ, said Patriarch Nestorius, not the Mother of God. She was the mother of his human nature, not the mother of his divinity.

His comment sparked an uproar. And the dispute rocked not only the congregation, but the entire empire.

Cyril, patriarch of Alexandria, Egypt, immediately recognized that Nestorius’ theology of Mary was a symptom of a much deeper problem, a problem with the incarnation itself. For to deny Mary the title “Mother of God” makes of Jesus a dichotomy, a split personality. It would mean that God had not really embraced our humanity so as to become human. Rather, the humanity of Christ is hermetically sealed off from the divinity, as if Jesus were two persons.  It was as if human nature was so distasteful that God, in Christ, had to keep it at arm’s distance. It is OK, according to Nestorius, to say that through Jesus, God raised Lazarus, or multiplied the loaves, or walked on water. But it is not OK to say that, in Jesus, God is born or that God died.

Council of Ephesus

Cyril, aware that this was a challenge to the heart of Christian faith, demanded that an ecumenical council be called to settle the matter. So in AD 431, the Council of Ephesus met, under Cyril’s leadership, and solemnly proclaimed that Mary is indeed rightly to be honored as the Theotokos. It proclaimed that, from the moment of his conception, God truly became man.

Of course Mary is a creature and could never be the origin of the eternal Trinity, who is without beginning or end.

But the second person of the blessed Trinity chose to truly become man. He did not just borrow a human body, drive it around for awhile and then ascend back to heaven, discarding his body like an old car.

No, at the moment of his conception in the womb of Mary, an amazing thing happened. God the Son united himself with a human nature forever. Humanity and divinity were so closely bound together in Jesus, son of Mary, that they could never again be separated. Everything that would be done by the son of Mary would be the act both of God and of man. So indeed it would be right to say that a man raised Lazarus from the dead and commanded the wind and waves.  But it would be equally correct to say that God was born on that first Christmas day and that, on Good Friday, God died.

The Council of Ephesus, once confirmed by the Pope, became the third ecumenical council of the Catholic Church. Its teaching in this matter is dogma, truth revealed by God which all are bound to accept.

hunger for righteosness beatitudes leo
Image by an unknown artist. Public domain.

Mary, Mother of God

So why does the Roman liturgy celebrate the Octave of Christmas as the Feast of Mary the Mother of God? Because this paradoxical phrase strikes at the very heart of Christmas. The songs we sing and the cards we write extol the babe of Bethlehem as Emmanuel, God-with-us. He is so “with us” that after Gabriel’s visit to the Virgin, the Divine Word can never again be divided from our humanity. What God has joined, let no man separate.

For more great resources for January 1, the octave of Christmas and the Christmas Season generally, visit the Christmas – Incarnation section of the Crossroads Initiative Library.

This post focuses on the  feast of the Theotokos, Mary the Mother of God on January 1.  It reflects on the readings for New Year’s Day – Numbers 6:22-27; Psalm 67; Galatians 4:4-7, & Luke 2:16-21.

Banner/featured image of Mary, Mother of God & Theotokos by an unknown artist. Public domain.

  • Susan D'Ambrosio
    Posted at 20:42h, 27 June

    Excellent. This is a very helpful explanation. I take this name of Mary for granted. I did not realize the challenge St. Cyril had to help the church embrace this title for Mary.

  • Daniel Marsh
    Posted at 17:03h, 28 December

    Ok, where was the riot?

  • Walter PCG
    Posted at 23:49h, 28 December

    As always you give thinking Catholics rational basis for our beliefs …

  • Dr. Marcellino D'Ambrosio
    Marcellino D'Ambrosio
    Posted at 11:42h, 31 December

    The riot occurred in Constantinople, known today as Istanbul.

  • Bob Bonnell
    Posted at 23:51h, 01 January

    Thank you! Great way to start the New Year! Hail Mary, full of grace!

  • Marcellino D'Ambrosio
    Posted at 15:45h, 15 January

    The date was not preserved, but the first uproar occurred in Constantinople (now called Istanbul) towards the end of AD 428 or early AD 429. The new Archbishop of the city, Nestorius, told the people to stop using the title Theotokos for Mary, a title that had been traditional for about two centuries. The title is translated God-bearer or Mother of God.

  • Daniel Marsh
    Posted at 17:16h, 30 January

    I forgot what the riot was all about. What was the date and details?


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