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What happens when a priest dies halfway during Mass?

Full Question:

If, after the consecration of the bread, the priest dies or forgets the consecration of the wine, do we have a Mass? I know that the consecrated host is the Body of Christ. Is the consecration of the wine absolutely necessary for a valid Mass? — G.D., Chicago


In part, we have responded to this question, albeit as a follow-up, on Jan. 29, 2008. The reply was partly based on a moral and pastoral theology manual published by Jesuit Father Henry Davis in 1935.

The nucleus of our answer regarding the interruption of Mass was:

“Should a priest have to interrupt the Mass due to illness or another grave reason after he has consecrated either or both species — and is unlikely to be able to recover sufficiently within an hour — there is a grave obligation to have the celebration continued by another priest.

“In grave emergencies even a priest who has been excommunicated, suspended or otherwise irregular may finish the Mass.

“If the first priest is able to communicate he should be given communion from the species consecrated during the Mass.

“If no priest is immediately available, the hosts and the chalice (even if not yet consecrated) should be placed in the tabernacle until a priest can come to finish the Mass.

“The interval elapsing between the two parts may be of any duration but should be as soon as possible.

“If not-yet-consecrated wine were to spoil, or be certain to spoil, before a priest can come to consecrate it, then it may be poured down the sacrarium and replaced with new matter (wine and water) when the priest arrives.

“Only in very rare and extreme situations may the consecrated species of an interrupted Mass be consumed. Such occasions would be, for example, an imminent danger of profanation of the sacred species or the objective impossibility of safely keeping them, such as during wartime conditions or a climate where the species of wine would certainly become corrupt before a priest can come to complete the Mass.

“If the interruption were to occur before the consecration, with no priest to continue the celebration and no other Masses reasonably available, then a deacon, instituted acolyte or authorized extraordinary minister could distribute Communion from the tabernacle using the rite for Communion outside of Mass.

“If the interruption occurs after the priest’s communion, then the same ministers can administer the consecrated species to the faithful using the same rite.”

From what has been said, it is clear that the consecration of wine is an absolute necessity for a valid Mass. And the priest’s communion is necessary for its completeness as a sign of sacrifice. It is true that Christ is really present in the hosts immediately after the consecration of the bread, but the sacrifice of the Mass requires the consecration of both species.

If a priest forgets to consecrate the chalice and then administers the hosts to the faithful they would receive the Body of Christ but, strictly speaking, would not have participated at the sacrifice of the Mass. It would not even be the same as the distribution of Communion outside of Mass as hosts thus received are the fruit of a complete sacrifice.

Should this happen, the deacon, an acolyte or anybody at all should immediately inform the priest that he has not consecrated the wine. The priest should then interrupt the Eucharistic Prayer and proceed to consecrate the wine before continuing. He should preferably repeat the second part of the Eucharistic Prayer as these orations only make sense in the presence of the complete sacrifice. If he finds out later, say just before communion, he would only need to say the words of consecration.

If it happens that a priest is told that he omitted the consecration of the chalice after the Mass is over, he should privately complete the sacrifice by pouring wine and water into the chalice, consecrate and consume the Sanguis.

The same basic principles would apply in the less likely situation of a priest skipping directly to the consecration of the chalice omitting the consecration of the hosts. The change in order of the two consecrations would not invalidate the Mass.

Needless to say, such distractions ought never to occur, but frail humanity — and priestly humanity is no exception — is fraught with imperfections and limitations. Thus, such things do happen.


Answered by Legionary of Christ Father Edward McNamara, professor of liturgy at the Regina Apostolorum university.



  1. David Spencer Reply

    Hey, I love this site, but I’m kind of new here. How do you ask a question you want answered? Do you just post a comment or is there an email address?

  2. Paul Dupre Reply

    Good question. I would also like to know.

  3. Coemi Reply

    Is this Manual still relevant, especially at point “If it happens that a priest is told that he omitted the consecration of the chalice after the Mass is over, he should privately complete the sacrifice by pouring wine and water into the chalice, consecrate and consume the Sanguis.”?
    The manual has published in 1935 when the Church were used only Tridentine form. How about now? Thank you.

  4. Andrew Reply

    The response to the question is quite amazing. If something happened to Christ during the last supper I am quite the Apostles first priority would be to attend to Christ. Completing the “Last Supper” would be the last thing on their minds. I have read many questions and I am not at all sure many of your answers are what the Catholic Church teaches or how Pope Frances would respond. The Baltimore Catechism is not the Bible of the Catholic Church!!!!

    1. Lu Reply

      In the case of what the Church teaches and believes is happening at the Holy Mass, our first priority IS to attend to Christ truly present, body, blood, soul, and divinity, in the forms of bread and wine.

  5. Pingback: Can a bishop prohibit receiving Communion on the tongue? |

  6. ChiaraB Reply

    Andrew: The last supper IS Christ in the same way as himself living! This must be clear!!

  7. tarun Robinson Reply

    I am baptised in CNI church and confirmation done in roman catholic church so i will be roman catholic or CNI

  8. Leolaydz Reply

    It’s true, our first priority is to attend to Christ’s presence- body, blood, soul & divinity in the form of bread and wine…If the wine is not consecrated by the priest, that means there’s no transubstantiation that happened- no change of wine into the blood of Christ!

  9. anthony Reply

    In the consecration of the wine, the water is added. If there are many priests, and there are two chalices with the wine, water is added to each chalice, correct? What if the main celebrant refuses to allow the wine to be added the chalices that would be used for the people, but only allows the water to be added to the chalice to be consumed by the priests? What are the results??

  10. Rob James Cutler Reply

    I am not even catholic yet I read it and seems to me that next person who already be there for that group would be head deacon, it make no since to use excommunicate priest. Just use the church leader that already there which would be deacon. This doesn’t happen that often it make since.

  11. Deacon Michael Burch Reply

    Wow what a question. If a priest were to die during Mass my concern wouldn’t be if the Mass was valid or not. I am amazed that the response/s didn’t show any concerns or prayers for the priest.

  12. Soane Le'ohau Vili Reply

    If the holy water nearly finish can I add on water and still count a holy water. ?

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