Cardinal Raymond Leo Burke has publicly affirmed the Blessed Virgin as “Co-Redemptrix”, less than a year after the Dicastery for the Doctrine of the Faith declared the title “always inappropriate”. The controversy is no longer principally about the doctrine of Christ’s unique Redemption, which Burke emphatically affirms. It concerns whether an orthodox theological title employed by popes and Roman congregations can now be excluded from the Church’s official vocabulary without any change in the doctrine that gave rise to it.
Cardinal Raymond Leo Burke has said plainly what the Holy See has recently decided that it should no longer say officially. Addressing the faithful in the Cathedral Basilica of St Bavo at Haarlem on 6 September, during a conference on the First Saturdays devotion and the Immaculate Heart of Mary, he declared: “The Blessed Virgin Mary is Co-Redemptrix, that is, she participates in Our Lord’s saving work, in a unique way.”¹ The sentence was neither an aside nor an exercise in provocative terminology. It followed Burke’s explicit affirmation that the Sacrifice of Christ is perfect and lacks nothing in itself. His meaning was consequently precise: Mary’s cooperation belongs wholly within the one Redemption accomplished by Jesus Christ and derives all its efficacy from Him.
That is the necessary starting point, because the controversy has repeatedly been framed around a danger which the traditional doctrine itself excludes. Catholic theology does not place Mary beside Christ as a second source of salvation. “For there is one God, and one mediator of God and men, the man Christ Jesus” (1 Tim. 2:5). Christ alone offers the infinitely meritorious Sacrifice of Calvary; His Precious Blood alone is the price of mankind’s Redemption. Mary herself requires that Redemption and receives its fruits more perfectly than any other creature. The dogma of the Immaculate Conception makes the point with exceptional clarity: she was preserved from original sin in anticipation of the merits of Christ. Her singular privileges therefore demonstrate her dependence upon the Redeemer rather than diminish His primacy.
Within that order, however, the Church has long spoken of a real and unique Marian cooperation. Mary gives her Fiat to the Incarnation; she gives the Redeemer His human nature; she remains united to the mission of her Son; and at Calvary she stands beneath the Cross in a union of faith, obedience and suffering unparalleled among creatures. None of these things causes the Redemption independently of Christ. Neither are they spiritually incidental to it. God chose to accomplish the Incarnation through the free assent of the Blessed Virgin and chose that the Mother who gave flesh to the Redeemer should remain associated with Him through the consummation of His earthly sacrifice. The theology of Marian co-redemption attempts to describe that subordinate association.
Cardinal Burke’s intervention is significant because the Dicastery for the Doctrine of the Faith went considerably further than declining to propose Co-Redemptrix as a dogma. In Mater Populi Fidelis, published on 4 November 2025 after Leo XIV had approved the Note and ordered its publication on 7 October, the Dicastery declared that it is “always inappropriate” to use the title to describe Mary’s cooperation in Redemption.² Its concern is intelligible: the expression can be misunderstood as suggesting another redeemer alongside Christ, and Marian theology must preserve unambiguously the unique and universal mediation of the Incarnate Word. Yet the document’s historical account creates the difficulty which its conclusion does not adequately resolve.
Mater Populi Fidelis itself records that the title was employed in a document of the Sacred Congregation of Rites and in two documents of the Holy Office during the pontificate of St Pius X. It acknowledges that Pius XI used Co-Redemptrix and that St John Paul II employed the title on at least seven occasions.³ These were not private speculations circulating at the margins of Catholic life. The word entered Roman and papal usage. The Dicastery therefore cannot mean that the title is intrinsically contrary to Catholic faith, because its own evidence would then implicate previous organs of the Holy See and canonised pontiffs in the repeated public use of an intrinsically erroneous Marian expression. Nor does the Note make such a claim. Its judgement concerns the suitability of the terminology.
That distinction became clearer when Cardinal Víctor Manuel Fernández subsequently explained what the word “always” was intended to mean. He said that the Note was not judging previous uses by popes, saints and theologians. Rather, “from now on”, the term would not be employed in official Holy See documents or liturgical texts, although Catholics who understand its meaning could continue to use it privately.⁴ The clarification is revealing. The title has not been declared heretical. Its traditional theological meaning has not been formally condemned. Catholics may still use it when they understand what it signifies. The restriction concerns official ecclesiastical language.
This substantially changes the character of the dispute. If Co-Redemptrix may express an orthodox doctrine when properly understood, the question is no longer whether Catholics are permitted to believe that Christ alone redeems mankind. Everyone in this controversy professes that truth. The question is whether pastoral concern about possible misunderstanding warrants the retirement of established Catholic terminology even when the terminology can be, and historically has been, understood correctly. That is a legitimate prudential judgement for ecclesiastical authority to make; it is also a judgement whose theological reasoning may legitimately be examined.
There are serious historical cautions which should be acknowledged. The title Co-Redemptrix is not itself patristic. Mater Populi Fidelis dates its first known appearance to the fifteenth century, although the underlying theology of Mary’s cooperation is much older. Nor has Co-Redemptrix ever been defined as a dogma of the Church. When Cardinal Joseph Ratzinger was asked in 1996 about a campaign seeking a dogmatic definition of Mary as “Co-redemptrix” or “Mediatrix of All Graces”, his personal votum was negative, arguing that the meaning of the titles was insufficiently clear and the doctrine proposed for definition insufficiently mature.³ That evidence deserves its proper weight. It should not, however, be made to say more than it says. Opposition to elevating a theological title into a new dogmatic definition is not equivalent to declaring every orthodox use of the title itself unacceptable.
The Second Vatican Council likewise avoided Co-Redemptrix while retaining much of the theology which made such language possible. Lumen Gentium teaches that Mary devoted herself “to the person and work of her Son, under Him and with Him”; describes her as the Redeemer’s “generous associate”; and says that through her obedience, faith, hope and charity she cooperated in the Saviour’s work of restoring supernatural life to souls. Most importantly, when treating Christ’s unique mediation, the Council explains that it does not abolish subordinate participation but “gives rise to a manifold cooperation which is but a sharing in this one source”.⁵ The Catechism subsequently teaches that Mary’s maternal role neither obscures nor diminishes the unique mediation of Christ but manifests its power.⁶
The issue is therefore not resolved simply by invoking 1 Timothy 2:5. Catholic theology has always distinguished the unique mediation of Christ from dependent forms of participation which exist because of that unique mediation. Every priest who absolves, every saint who intercedes, every missionary who brings the Gospel to another soul and every Christian who offers suffering in union with Christ participates instrumentally in a work whose supernatural efficacy comes entirely from God. St Paul could therefore write that he filled up in his flesh “those things that are wanting of the sufferings of Christ” for the sake of the Church (Col. 1:24), without implying the slightest defect in Calvary. Burke invokes precisely this Pauline principle. His broader reference to Christians as “co-redeemers” is analogical; his description of Mary as Co-Redemptrix concerns the singularity of her cooperation in the Redemptive Incarnation itself.¹
This is also why the common objection that the prefix co- suggests equality is insufficient as theology. In the term’s traditional Catholic use, it signifies cooperation, not parity. No serious defender of Marian co-redemption proposes two coordinate redeemers. The very doctrine depends upon an absolute asymmetry: Christ redeems by His own divine-human act and infinite merit; Mary cooperates as a redeemed creature whose entire capacity to cooperate has already been given by grace. If that distinction requires catechesis, then catechesis should be given. Much of Catholic theological vocabulary requires explanation. The possibility that a term may be misunderstood has never by itself established that an orthodox term should cease to be used.
Nuntiatoria raised this problem when Mater Populi Fidelis first appeared. In “Rome Redefines Mary: From Co-Redemptrix to Mater Populi Fidelis”, we argued that the document’s significance lay less in an explicit denial of Marian cooperation than in a deliberate alteration of theological emphasis: inherited language was being displaced by vocabulary considered less susceptible to misunderstanding and more compatible with contemporary pastoral priorities.⁷ In “Silencing the Mother: Rome, Marian Doctrine, and the Limits of What May Be Said”, we returned to the deeper question raised by that approach: whether restricting orthodox theological language also restricts the Church’s ability to transmit and develop the concepts that language expresses.⁸ Burke’s intervention now places that question in sharper relief.
Bishop Athanasius Schneider had already responded to Mater Populi Fidelis by pointing to the historical difficulty created by describing these titles as consistently inappropriate when saints, theologians and representatives of the Roman Magisterium had used them without believing that they compromised the uniqueness of Christ.⁹ Burke has now made the case in a different register. He does not construct a lengthy refutation of the Dicastery. He uses the title publicly, defines it immediately, and locates it within an emphatically Christocentric explanation of Redemption. The result demonstrates, almost by example, what the disputed terminology means when employed according to the theological tradition that produced it.
This does not place Cardinal Burke in formal opposition to a defined doctrine of the Church. Mater Populi Fidelis has real ecclesiastical authority: Leo XIV approved the Note and ordered its publication, and Catholics should not pretend otherwise. Yet papal approval of a doctrinal document does not transform every historical assessment, terminological preference or prudential pastoral conclusion within that document into an irreformable dogmatic definition. The distinction is particularly important here because the Dicastery itself has stopped short of condemning the title as doctrinally false. Fernández’s clarification confirms that Catholics may continue to use it provided they understand its meaning. The disagreement therefore concerns the prudence and theological coherence of excluding it from official usage.
There is a further problem. Once an ecclesiastical authority acknowledges that an expression was used legitimately in the past, admits that it can retain an orthodox meaning in the present, and nevertheless decides that it should henceforth disappear from the Church’s own public vocabulary, an unavoidable question of continuity arises. Development of doctrine can deepen, clarify and sometimes correct theological formulations. Discipline can change. Pastoral language can change. Yet authority does not possess the power to alter retrospectively the theological truth of what the Church previously permitted or taught. If yesterday’s terminology remains capable of expressing Catholic truth today, its suppression requires a more substantial argument than the possibility that poorly instructed hearers may misunderstand it.
That principle extends beyond the Marian controversy. The Church receives Revelation; she does not manufacture it. Her pastors exercise genuine authority over the articulation, defence and transmission of the Deposit of Faith, but that authority is ministerial. As Nuntiatoria has repeatedly argued under the principle accipere, non fingere — to receive, not to invent — ecclesiastical authority is most authentically itself when it safeguards what has been handed down and develops it organically rather than treating the inherited vocabulary of Catholic belief as material perpetually available for reconstruction according to present pastoral fashion. The history of Co-Redemptrix does not prevent legitimate theological criticism of the term. It does prevent the past from being treated as though the Church had simply been waiting for the present generation to discover which of her orthodox expressions ought never to have survived.
Cardinal Burke’s intervention is therefore valuable precisely because it restores proportion to the controversy. Mary is not another Redeemer. She never was. Christ’s Sacrifice needs no supplement, His mediation admits no equal, and every grace enjoyed by His Mother flows from His merits. Yet the same sovereign Redeemer chose to take flesh through her consent, chose her as His Mother, associated her uniquely with His earthly mission, received her suffering fidelity beneath His Cross and gave her to the beloved disciple as Mother. Catholic theology has sought language adequate to that mystery. Co-Redemptrix is one such expression: neither dogmatically required nor doctrinally meaningless, capable of misuse yet equally capable of precise and orthodox explanation.
The deepest question raised by Mater Populi Fidelis is consequently larger than one Marian title. It concerns the relationship between ecclesiastical authority and received Tradition. Authority may regulate language for grave reasons; theologians may debate whether a particular expression best conveys the Faith; the Magisterium may clarify ambiguities and reject formulations which genuinely corrupt doctrine. What authority cannot do is make an orthodox theological inheritance become untrue by administrative preference. If Co-Redemptrix remains orthodox when properly understood — and the DDF’s own clarification effectively concedes that it does — then the Church’s task is first to understand what her tradition meant by it.
Cardinal Burke has supplied that explanation with admirable economy: “The Blessed Virgin Mary is Co-Redemptrix, that is, she participates in Our Lord’s saving work, in a unique way.”
That proposition takes nothing from Jesus Christ. Everything within it depends upon Him. The proper Catholic response to its possible misunderstanding is therefore catechesis: to teach what Redemption is, why Christ alone accomplishes it, what genuine subordinate cooperation means, and why the Blessed Virgin occupies within that cooperation a place belonging to no other creature. A Church confident in the continuity of her own Faith should be capable of explaining the language she inherited before deciding that her children would be safer if she ceased to speak it.
¹ Cardinal Burke: ‘Mary is Co-Redemptrix’ — Michael Haynes, Per Mariam, 7 September 2026. The published text records Burke’s affirmation of the perfection of Christ’s Sacrifice and his subsequent definition of Mary as Co-Redemptrix.
² Mater Populi Fidelis: Doctrinal Note on Some Marian Titles Regarding Mary’s Cooperation in the Work of Salvation — Dicastery for the Doctrine of the Faith, 4 November 2025, especially §§16–22. Leo XIV approved the Note and ordered its publication on 7 October 2025.
³ Mater Populi Fidelis — historical treatment of Co-Redemptrix and the 1996 Ratzinger votum, §§17–22 and notes 33–38. The Note records uses under St Pius X, by Pius XI and on at least seven occasions by St John Paul II.
⁴ Cardinal Fernández Clarifies: ‘Co-redemptrix’ Off Limits in Official Vatican Documents, Permitted in Private Devotion — Diane Montagna, 27 November 2025.
⁵ Lumen Gentium — Dogmatic Constitution on the Church, §§56, 60–62.
⁶ Catechism of the Catholic Church, §§969–970.
⁷ Rome Redefines Mary: From Co-Redemptrix to Mater Populi Fidelis — Nuntiatoria, 4 November 2025.
⁸ Silencing the Mother: Rome, Marian Doctrine, and the Limits of What May Be Said — Nuntiatoria, 10 April 2026.
⁹ They Could Not Have Been Mistaken: Bishop Athanasius Schneider on Co-Redemptrix and Mediatrix of All Graces — Diane Montagna, 10 November 2025.
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