Who is the Virgin Mary?

At the most basic level, the answer is familiar to almost every Christian: Mary is the mother of Jesus, the virgin visited by the angel Gabriel, and the woman who said yes to God’s plan at the Annunciation.

Yet Christians often disagree sharply about what follows from those facts.

Some see Mary mainly as the woman chosen to give birth to Christ and worry that giving her any further attention risks distracting from Jesus. Catholics, by contrast, speak of Mary as the Mother of God, the New Eve, the Ark of the New Covenant, the ever-virgin mother of Christ and the foremost example of a life transformed by grace.

That difference raises an important question: are Catholic beliefs about Mary additions to biblical Christianity, or do they grow naturally from Scripture and the faith of the early Church?

This article brings together two approaches to that question: a biblical case for the significance of Mary and direct answers to several objections commonly raised by Protestants. The goal is not to make Mary a rival to Christ. Catholic teaching begins from the opposite principle: what the Church believes about Mary depends entirely on what it believes about Jesus Christ. As the Catechism puts it, “What the Catholic faith believes about Mary is based on what it believes about Christ.”

Mary herself points in the same direction. Her great song of praise begins, “My soul magnifies the Lord” (Luke 1:46), and she says that “all generations will call me blessed” (Luke 1:48). Catholic devotion seeks to hold those two truths together: Mary is blessed precisely because of what God has done in and through her.

1. If Mary was sinless, why did she need a Savior? #

A common objection to the Immaculate Conception is straightforward:

Mary calls God her Savior in Luke 1:47. If she needed a Savior, does that not prove that she was a sinner like everyone else?

Catholics agree completely with the first premise: Mary needed Jesus Christ as her Savior.

The Immaculate Conception does not teach that Mary saved herself or stood outside Christ’s redemption. It teaches that God applied the merits of Christ to Mary in a unique way, preserving her from original sin from the first moment of her conception.

The distinction can be illustrated with a simple analogy. A doctor may save one patient by curing a disease after infection and another by preventing the disease from taking hold in the first place. Both are saved by the doctor, but in different ways.

That is the logic of Catholic teaching about Mary. The Catechism explains that Mary was preserved from original sin “by virtue of the merits of Jesus Christ, Saviour of the human race.” Her holiness is therefore not independent of Christ; it is entirely the fruit of his grace.

“Full of grace” and the work of God #

At the Annunciation, Gabriel greets Mary in Luke 1:28 with language commonly translated as “favored one” or, in the traditional Catholic rendering, “full of grace.” The point is not that a single English translation settles the doctrine by itself. Rather, the greeting forms part of a wider biblical picture in which Mary appears as a person uniquely graced for her vocation as the mother of the Messiah.

Her response is equally important:

“Behold, I am the handmaid of the Lord; let it be to me according to your word.” (Luke 1:38)

The contrast between Mary’s obedience and Eve’s disobedience became an important theme very early in Christianity. In the second century, St. Irenaeus of Lyons explicitly compared the virgin Eve, whose disobedience was bound up with humanity’s fall, with the Virgin Mary, whose obedience was bound up with the coming of Christ.

This does not make Mary another redeemer. Christ alone redeems. The New Eve typology instead presents Mary’s freely given obedience as subordinate to, and dependent upon, the saving work of her Son.

The New Eve parallel can be taken one step further. Genesis calls Eve “the mother of all living” (Genesis 3:20). Revelation 12 first presents the woman giving birth to the Messiah and then speaks of the rest of her offspring as “those who keep the commandments of God and hold to the testimony of Jesus” (Revelation 12:17).

The woman in Revelation has a broader corporate meaning — especially Israel and the Church — so this verse should not be treated as a stand-alone proof that Mary is literally the mother of every Christian. But within the Catholic reading of Revelation 12, its Marian dimension fits the ancient New Eve pattern: Eve’s motherhood belongs to the old creation, while Mary’s motherhood is bound up with Christ and the people who belong to him.

Mary as the Ark of the New Covenant #

Another important biblical pattern is the parallel between Mary and the Ark of the Covenant.

The Old Testament Ark was the sacred sign of God’s presence among Israel. It contained the tablets of the covenant, manna and Aaron’s priestly staff (Hebrews 9:4). In the New Testament, Mary carries in her womb Jesus Christ: the Word made flesh, the true bread from heaven and the eternal high priest.

Luke’s infancy narrative also contains striking parallels with the Ark narratives:

Catholic readers have therefore long seen Mary as the Ark of the New Covenant: not divine herself, but uniquely set apart because she bears the incarnate Son of God.

Scripture also strongly marks the old Ark as set apart for God. It was overlaid with pure gold (Exodus 25:11), and the account of Uzzah — who died after taking hold of the Ark in 2 Samuel 6:6-7 — underlines the seriousness with which its holiness was treated.

That typology does not mean that marriage or marital intimacy is impure. The point is narrower: if the old Ark was specially consecrated because it bore the signs of God’s covenantal presence, Catholics see a fitting parallel in Mary being wholly set apart for the unique vocation of bearing God the Son. This also helps explain why the Church connects the Ark imagery with Gabriel’s extraordinary greeting to Mary in Luke 1:28.

The imagery appears again in Revelation. Revelation 11:19 describes the Ark of the Covenant in God’s heavenly temple; immediately afterward, Revelation 12 presents “a woman clothed with the sun” who gives birth to the messianic child. The woman in Revelation has several layers of meaning, including Israel and the Church, but Catholic interpretation also sees a Marian dimension because she is the mother of the Messiah.

Taken together, these themes help explain why Catholics see the Immaculate Conception not as an attempt to diminish Christ’s saving work, but as an especially radical example of it.

A related objection sometimes comes from Romans 3:23: “all have sinned and fall short of the glory of God.” Catholic theology does not deny Paul’s universal point that the human race needs redemption. The claim is that Mary is not outside Christ’s saving work but is saved by him preventively — preserved from original sin by grace rather than rescued from it after contracting it. The doctrine therefore depends on Christ’s redemption rather than creating an exception to humanity’s need for a Savior.

2. Doesn’t the Bible say Mary had other children? #

The Catholic Church teaches the perpetual virginity of Mary: that Mary remained a virgin before, during and after the birth of Jesus.

It is worth noting that this belief is older than the modern Catholic-Protestant divide. Martin Luther and Huldrych Zwingli continued to affirm Mary’s perpetual virginity after the Reformation, and John Wesley explicitly affirmed it in the eighteenth century. John Calvin was more cautious about the doctrine itself, but he rejected the claim that Matthew 1:25 proves Mary and Joseph later had marital relations. In his commentary on the verse, Calvin says that no well-grounded conclusion about what happened after Christ’s birth can be drawn from Matthew’s use of “until.”

That history does not prove the doctrine by itself, but it does show that the common modern objections from “until” and the “brothers” of Jesus were not regarded as decisive even by major Protestant Reformers.

Two biblical objections are especially common:

1. Matthew 1:25 says Joseph did not have marital relations with Mary “until” she gave birth to Jesus.
2. The Gospels refer to the “brothers” and “sisters” of Jesus.

Neither passage, however, requires the conclusion that Mary later had other biological children.

What does “until” mean in Matthew 1:25? #

Matthew 1:25 says that Joseph “knew her not until she had given birth to a son.”

In modern English, “until” can sometimes imply that a situation changed afterward. But biblical usage does not require that implication.

Consider 2 Samuel 6:23:

“And Michal the daughter of Saul had no child to the day of her death.”

The verse obviously does not imply that Michal had children after her death. Likewise, 1 Corinthians 15:25 says Christ “must reign until he has put all his enemies under his feet,” without suggesting that Christ stops reigning afterward.

The Old Testament gives another useful example. Deuteronomy 34:6 says that no one knew the location of Moses’ grave “to this day.” The phrase marks what was true up to the writer’s present; it does not imply that the location became known immediately afterward. Biblical expressions such as “until” and “to this day” therefore cannot automatically be read as announcing a later change of state.

The purpose of Matthew 1:25 is to affirm the virginal conception of Jesus. The verse tells us what did not happen before Christ’s birth; it does not, by itself, tell us what happened afterward.

What about the “brothers” of Jesus? #

Mark 6:3 names James, Joses or Joseph, Judas and Simon as Jesus’ “brothers,” and also mentions his “sisters.”

The Greek word adelphos can certainly mean a biological brother. But biblical usage can also extend family language more broadly. The Septuagint, the ancient Greek translation of the Old Testament, can use brother-language for relatives who are not siblings; Abraham and Lot are a familiar example, even though Lot is Abraham’s nephew.

More importantly, the Gospels give evidence that at least some of the men called Jesus’ “brothers” were children of another Mary. Matthew 27:56 refers to “Mary the mother of James and Joseph,” and Matthew 28:1 distinguishes her as “the other Mary.”

The Catechism summarizes the traditional Catholic interpretation by noting that the “brothers and sisters” passages were not understood by the Church as referring to other children of the Virgin Mary.

There is also a simple but useful observation: the men called Jesus’ “brothers” are never identified in the Gospels as children of Mary the mother of Jesus. That fact does not settle the linguistic question on its own, but it fits the Gospel evidence above, where James and Joseph are explicitly associated with another Mary.

Mary as wholly set apart for God #

The Ark typology also helps explain why Christians so early came to speak of Mary as ever-virgin.

If Mary is the Ark of the New Covenant, then her body is understood as having been set apart in a singular way for the Incarnation. This is not a claim that marital intimacy is impure; Christianity teaches that marriage is good. Rather, the argument is about a unique vocation. Mary’s motherhood of Jesus is unlike any other motherhood because the child she bears is the eternal Son of God made flesh.

Lifelong celibacy was also not an unthinkable category in the world around early Christianity. Jewish groups such as the Essenes practiced celibacy, and the New Testament itself recognizes celibacy “for the sake of the kingdom of heaven” (Matthew 19:12). That does not prove that Mary made a formal vow, but it removes the assumption that a lifelong virginal vocation would have been culturally impossible.

The Church’s confession of Mary’s perpetual virginity is ancient. The Catechism calls her Aeiparthenos, “Ever-virgin,” and explains that Christian reflection on the virginal motherhood of Christ led to an explicit confession of her lifelong virginity.

The historical trail reaches back well before the medieval period. A second-century Christian text, the Protoevangelium of James, already presents Mary as remaining a virgin. The text is not Scripture, and Catholics do not treat all of its details as historical fact, but it is evidence that the idea of Mary’s lifelong virginity was circulating very early. By the fourth century, the question was being argued explicitly: St. Jerome’s Against Helvidius defended Mary’s perpetual virginity against the same basic appeal to the “brothers” of Jesus and Matthew 1:25 that still appears in modern debates.

For Catholics, then, Matthew 1:25 and the references to Jesus’ “brothers” are real biblical texts that must be taken seriously. But neither text overturns the historic Christian belief that Mary remained a virgin.

3. Was Marian devotion invented centuries after the apostles? #

Another objection is historical rather than strictly biblical:

Didn’t devotion to Mary appear only centuries after the New Testament, especially around the Council of Ephesus in AD 431?

It is true that Christian doctrine is often stated more precisely over time. But a later formal definition does not necessarily mean a late invention.

The doctrine of the Trinity is the obvious comparison. The New Testament is Trinitarian, but the Church developed increasingly precise language in response to later controversies. The Council of Nicaea in AD 325 did not invent Christ’s divinity; it defined the Church’s confession more carefully.

The same distinction between development and invention matters in Mariology.

The New Eve appears very early #

By the second century, St. Irenaeus was already contrasting Eve’s disobedience with Mary’s obedience. He writes that “the knot of Eve’s disobedience was loosed by the obedience of Mary.”

That is important because it shows that Marian reflection did not suddenly begin in the fifth century. The New Eve theme is present within the early patristic period and grows directly out of the relationship between Adam and Christ in the New Testament.

Why “Mother of God” is really a claim about Jesus #

The title Mother of God can sound excessive until its Christological meaning is understood.

Catholics do not mean that Mary existed before God or generated Christ’s divine nature. They mean that the person Mary gave birth to is Jesus Christ, and Jesus Christ is truly God.

Elizabeth already calls Mary “the mother of my Lord” in Luke 1:43. The later title Theotokos — “God-bearer” or “Mother of God” — protects the unity of Christ’s person. The child born of Mary is not a merely human person later joined to the divine Son; he is the eternal Son himself, truly God and truly man.

For that reason, Catholic teaching about Mary is inseparable from Catholic teaching about Christ.

Mary as Queen Mother #

Another biblical pattern comes from the Davidic kingdom.

In the kingdom of Judah, the king’s mother held a recognized place as queen mother. The most famous example is Bathsheba, the mother of Solomon, who is given a seat at the king’s right hand in 1 Kings 2:19.

If Jesus is the Davidic Messiah and king, Catholics see a fitting biblical pattern in honoring his mother as queen mother. Revelation 12’s crowned woman — “a crown of twelve stars” — has therefore also played an important role in Catholic reflection on Mary.

Again, typology is not the same as a stand-alone proof text. Its force comes from the cumulative biblical pattern: New Eve, New Ark, Mother of the Lord and mother of the Davidic king.

Marian doctrine did develop in clarity over time. But the underlying biblical and early Christian themes are much older than the fifth century.

4. Does asking Mary to pray for us deny that Jesus is the one mediator? #

This final objection concerns Marian devotion rather than one of the four formally defined Marian dogmas:

1 Timothy 2:5 says there is “one mediator between God and men, the man Christ Jesus.” If Christ is the one mediator, why ask Mary or the saints to intercede?

The Catholic answer begins by affirming the verse. Jesus Christ is the unique mediator of salvation. No saint competes with him, adds to his sacrifice or provides another way to the Father.

But the New Testament also repeatedly tells Christians to pray for one another. In fact, just a few verses before 1 Timothy 2:5, Paul urges “supplications, prayers, intercessions, and thanksgivings” for others (1 Timothy 2:1).

If asking another Christian on earth to pray for us does not compete with Christ’s mediation, Catholics argue that asking a Christian in heaven to pray for us does not compete with it either. Every Christian prayer reaches the Father through Christ.

The same answer applies to John 14:6: “No one comes to the Father except through me.” Asking another member of Christ’s body to pray does not create a second route to the Father. Whether the person praying with us is on earth or in heaven, Christian intercession is still dependent upon Christ and reaches the Father through him.

Are the saints in heaven aware of our prayers? #

Catholic teaching points to several biblical passages showing the heavenly Church involved in prayer.

Hebrews 12:1 speaks of believers being surrounded by “so great a cloud of witnesses” immediately after recounting the faithful who have gone before in Hebrews 11.

Revelation presents heavenly figures offering prayers before God. In Revelation 5:8, the twenty-four elders hold golden bowls of incense “which are the prayers of the saints.” Revelation 8:3-4 similarly depicts an angel offering incense with the prayers of the saints before God’s throne.

Catholic Bibles also contain another example in 2 Maccabees 15:12-16, where the deceased high priest Onias and the prophet Jeremiah are portrayed as praying for God’s people. Because many Protestants do not accept 2 Maccabees as canonical Scripture, the Catholic case for heavenly intercession does not need to rest on this passage; nevertheless, it is part of the biblical evidence Catholics themselves receive.

These passages do not provide a complete description of how heavenly intercession works. But they do make the Catholic practice intelligible within a biblical vision of the Church as one body in Christ, united across death.

Why ask Mary in particular? #

James 5:16 says that “the prayer of a righteous person has great power.”

Catholics therefore ask the saints to pray with them for the same basic reason Christians ask friends, pastors and family members to pray for them: the Church is a communion, and intercession is part of Christian love.

Mary has a unique place within that communion because of her relationship to Christ. She is the mother of Jesus, the woman Elizabeth calls “blessed among women” (Luke 1:42), and the one who herself foretells that all generations will call her blessed (Luke 1:48).

Catholic prayer to Mary should therefore be understood as requesting her intercession, not worshipping her as a goddess and not treating her as an alternative to Jesus. Christian worship belongs to God alone.

So, who is Mary? #

The disagreements surrounding Mary are not really peripheral. They touch some of Christianity’s deepest themes: the Incarnation, grace, discipleship, the unity of Scripture and the communion of saints.

A careful reading of the Bible shows why Christians across many centuries have seen more in Mary than a background figure in the Christmas story.

She is:

• the mother of Jesus Christ, true God and true man;
• the woman greeted as uniquely favored by God;
• the obedient Virgin contrasted with Eve;
• the Ark who bears the Word made flesh;
• the mother of the Davidic king;
• and the disciple who directs attention toward the Lord she magnifies.

None of these beliefs requires Christians to choose between honoring Mary and worshipping Jesus. Catholic Mariology makes sense only when Mary is understood in relation to Christ.

That is why the Church can call her blessed without making her divine, ask for her prayers without denying Christ’s unique mediation, and confess that every grace in her life — including her preservation from sin — comes from God through Jesus Christ.

For further reading, see the Catechism of the Catholic Church on Mary and Christ, St. Irenaeus on Mary as the New Eve, Calvin’s commentary on Matthew 1:25, and John Wesley’s Letter to a Roman Catholic.