"Peter was married. Paul said a bishop should be the husband of one wife. So why does the Catholic Church forbid its priests to marry?"
Short answer: Priestly celibacy is a discipline, not a doctrine. In the Latin (Western) Church, priests are normally chosen from men called to celibacy, following Christ's own example and St. Paul's teaching on undivided devotion. Eastern Catholic Churches ordain married men as priests, and the Church could change the Latin discipline if it judged that wise.
Key verses on priestly celibacy
- "some, because they have renounced marriage for the sake of the kingdom of heaven" (Matthew 19:12)
- "Indeed, I wish everyone to be as I am, but each has a particular gift from God" (1 Corinthians 7:7)
- "An unmarried man is anxious about the things of the Lord, how he may please the Lord." (1 Corinthians 7:32)
- "there is no one who has given up house or wife or brothers or parents or children for the sake of the kingdom of God" (Luke 18:29)
- "Simon’s mother-in-law lay sick with a fever." (Mark 1:30)
Scripture quotations are from the New American Bible, Revised Edition (NABRE), © 2010, 1991, 1986, 1970 Confraternity of Christian Doctrine, Washington, D.C. Used by permission. All rights reserved.
What Catholics Actually Teach
The Catechism describes the Latin Church's practice this way: "All the ordained ministers of the Latin Church, with the exception of permanent deacons, are normally chosen from among men of faith who live a celibate life and who intend to remain celibate 'for the sake of the kingdom of heaven'" (CCC 1579).
It then describes the East: "In the Eastern Churches a different discipline has been in force for many centuries: while bishops are chosen solely from among celibates, married men can be ordained as deacons and priests." The Catechism adds, "This practice has long been considered legitimate" (CCC 1580). These Eastern Catholic Churches are in full communion with the Pope.
The Second Vatican Council said plainly that celibacy "is not demanded by the very nature of the priesthood, as is apparent from the practice of the early Church and from the traditions of the Eastern Churches." Yet it also said that "celibacy has a many-faceted suitability for the priesthood" (Presbyterorum Ordinis 16).
There are also exceptions in the Latin Church itself. Married former Anglican ministers, and in some cases other Protestant ministers, who become Catholic can be ordained priests case by case with the Holy See's permission (see Pope Benedict XVI, Anglicanorum Coetibus, 2009, art. VI).
What Catholics do not teach:
- That marriage is unholy. Marriage between baptized persons is a sacrament.
- That celibacy is a dogma. It is a discipline. Doctrine cannot change; disciplines can.
- That priests are forced into celibacy. No one has to become a priest. Candidates accept celibacy freely.
It all points to Christ. A priest's celibacy is about Jesus, not about the priest. "Only Christ is the true priest, the others being only his ministers" (CCC 1545), and celibacy lets the minister live like the Master he represents: unmarried and wholly given to His Father's work. St. Paul names the goal: "An unmarried man is anxious about the things of the Lord, how he may please the Lord" (1 Corinthians 7:32).
The Biblical Case
1. Jesus Himself lived celibate and praised it
Jesus never married. He spoke of those who "have renounced marriage for the sake of the kingdom of heaven," and added, "Whoever can accept this ought to accept it" (Matthew 19:12). A celibate priest imitates the Lord whose priesthood he shares.
Celibacy as a sign of God's coming kingdom has Old Testament roots too. God told the prophet Jeremiah, "Do not take a wife and do not have sons and daughters in this place" (Jeremiah 16:2): his whole life was to be a message.
2. St. Paul recommends it for undivided service
St. Paul writes, "Indeed, I wish everyone to be as I am, but each has a particular gift from God, one of one kind and one of another" (1 Corinthians 7:7). His reason: "An unmarried man is anxious about the things of the Lord, how he may please the Lord. But a married man is anxious about the things of the world, how he may please his wife, and he is divided" (1 Corinthians 7:32-34).
He wants "adherence to the Lord without distraction" (1 Corinthians 7:35). The Latin Church asks exactly this of men who freely seek ordination.
3. Jesus promised a reward for giving up even a wife
When St. Peter said, "We have given up our possessions and followed you," Jesus answered that "there is no one who has given up house or wife or brothers or parents or children for the sake of the kingdom of God who will not receive [back] an overabundant return in this present age and eternal life in the age to come" (Luke 18:28-30; compare Matthew 19:29).
4. Married apostles prove it is a discipline, not a doctrine
Some apostles were married. St. Peter had a mother-in-law (Mark 1:30), and St. Paul mentions "the rest of the apostles, and the brothers of the Lord, and Cephas" taking along a wife (1 Corinthians 9:5). That is precisely why the Church treats celibacy as a discipline and allows married priests in the East.
Objections Answered
(a) "Paul says a bishop must be 'the husband of one wife.'"
At its strongest: St. Paul says "a bishop must be irreproachable, married only once" (1 Timothy 3:2) and must "manage his own household well" (1 Timothy 3:4); Titus 1:6 says the same of presbyters. Many Protestants read this as the normal, even required, pattern for church leaders.
Answer: The phrase sets a limit, not a mandate. The NABRE renders it "married only once," and the Greek is literally "a man of one woman." If it required marriage, it would disqualify St. Paul himself. Read as a mandate, verse 4 would also require children. The Church still honors the limit: no ordained man may marry after ordination unless the Pope dispenses him (CCC 1580; canon 291). And the Church does ordain married men, in the East and in the convert exceptions above.
(b) "Forbidding marriage is a doctrine of demons."
At its strongest: St. Paul warns that "in the last times some will turn away from the faith," among them those who "forbid marriage and require abstinence from foods that God created to be received with thanksgiving" (1 Timothy 4:1-3). A rule that forbids priests to marry seems to fit.
Answer: St. Paul is condemning false teachers who reject marriage itself as evil, along with foods "that God created to be received with thanksgiving." The Catholic Church teaches the opposite: marriage is good, holy, and a sacrament. It forbids no one to marry. It chooses Latin-rite priests from men who freely accept a gift Jesus and St. Paul both praised. Celibacy for the kingdom cannot be a doctrine of demons, or St. Paul's own life would be one.
(c) "God said it is not good for man to be alone."
At its strongest: At creation "The LORD God said: It is not good for the man to be alone. I will make a helper suited to him" (Genesis 2:18). Marriage is God's design from the beginning. Asking thousands of men to renounce it seems to go against the order of creation.
Answer: Genesis 2:18 describes the human vocation in general, and Catholics agree that marriage is God's design and a sacrament. But the same Bible shows that God calls some to give it up for a higher purpose: Jeremiah by command (Jeremiah 16:2), St. Paul by gift (1 Corinthians 7:7), and Our Lord Himself. Jesus says the renunciation is "for the sake of the kingdom of heaven" (Matthew 19:12), and that in the resurrection people "neither marry nor are given in marriage" (Matthew 22:30). The celibate priest is not alone. He lives now the undivided love for God that all the saints will share in heaven.
(d) "Peter, the first pope, was married."
At its strongest: St. Peter had a mother-in-law (Mark 1:30) and apparently took his wife on mission (1 Corinthians 9:5). If married men were good enough for the apostles, they should be good enough today. (For more on St. Peter's role, see Is the Papacy Biblical?)
Answer: Agreed: married men can be priests, and in the Eastern Catholic Churches they are. The question is what is fitting for the Latin Church. St. Peter himself said, "We have given up our possessions and followed you," and Jesus spoke of leaving even "wife" for the kingdom (Luke 18:28-29). Both paths appear in the New Testament. The Latin Church follows the example of Jesus and St. Paul.
The Early Church Agrees
- St. Ignatius of Antioch (Letter to Polycarp, early second century, approximate) honors celibacy as a free gift, never a reason for pride: "If any one can continue in a state of purity, to the honour of Him who is Lord of the flesh, let him so remain without boasting" (ch. 5).
- Tertullian (On Exhortation to Chastity, early third century, written in his later, rigorist period) already knew clergy who had chosen continence: "How many men, therefore, and how many women, in Ecclesiastical Orders, owe their position to continence, who have preferred to be wedded to God" (13).
- The African Church (canons collected at Carthage in 419) shows that in the Latin West married clergy were expected to live in continence: "It seems good that a bishop, a presbyter, and a deacon, or whoever perform the sacraments, should be keepers of modesty and should abstain from their wives" (Canon 4). The council grounded this in older practice, saying clerics should be continent "so that what the apostles taught and antiquity kept, that we might also keep" (Canon 3).
- The Council in Trullo (692), whose canons the Eastern Churches follow, shows the other legitimate tradition. It acknowledged the Roman rule but decreed that married men may be ordained deacon or presbyter and need not separate from their wives (Canon 13). Rome never accepted all of Trullo's canons, but the two disciplines have long existed side by side.
Over the following centuries the West moved from continence for married clergy to a rule of celibacy: a discipline with deep roots, not a doctrine.
Conclusion
Latin-rite priests do not marry because they have freely embraced a gift Jesus lived and St. Paul recommended: undivided devotion to the Lord. It is a discipline, not a denial of marriage's goodness.
If you are a Protestant who sees celibacy as unbiblical, read Matthew 19 and 1 Corinthians 7 again. You will find a calling Scripture praises, freely chosen, for the sake of the kingdom.
Come home. The gift of undivided devotion that Jesus lived and St. Paul recommended is honored and lived by priests in the Catholic Church. Christ did not found many churches. He founded one, on St. Peter and the apostles (Matthew 16:18), and that Church is the Catholic Church. "It is through Christ's Catholic Church alone, which is the universal help toward salvation, that the fullness of the means of salvation can be obtained" (CCC 816). If you are a baptized Christian, you already share "a certain, although imperfect, communion" with her (CCC 838). Every truth you already hold is a call to the rest of the way. Christ is calling you into the Catholic Church.
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FAQ
Can a Catholic priest ever get married? Not while he remains a priest in good standing. In East and West alike, "a man who has already received the sacrament of Holy Orders can no longer marry" (CCC 1580). Leaving the clerical state does not by itself bring "a dispensation from the obligation of celibacy, which only the Roman Pontiff grants" (canon 291).
Are there married Catholic priests? Yes. Many Eastern Catholic priests are married, and some married former Protestant ministers have been ordained in the Latin Church with special permission.
Could the Church allow Latin-rite priests to marry? In principle, yes, because celibacy is a discipline. Whether that would be wise is for the Church's pastors to judge.
Sources
Scripture (NABRE, bible.usccb.org): Genesis 2:18; Jeremiah 16:2; Matthew 16:18; Matthew 19:12; Matthew 19:29; Matthew 22:30; Mark 1:30; Luke 18:28-30; 1 Corinthians 7:7; 1 Corinthians 7:32-35; 1 Corinthians 9:5; 1 Timothy 3:2-4; 1 Timothy 4:1-3; Titus 1:6.
Catechism of the Catholic Church (vatican.va): 816, 838; 1545; 1579; 1580.
Church documents (vatican.va): Second Vatican Council, Presbyterorum Ordinis 16; Benedict XVI, Anglicanorum Coetibus (2009), art. VI.
Code of Canon Law (vatican.va): canon 291.
Church Fathers and councils (newadvent.org): Ignatius of Antioch, Letter to Polycarp 5 (ANF vol. 1); Tertullian, On Exhortation to Chastity 13 (ANF vol. 4); Code of Canons of the African Church (Carthage, 419), Canons 3–4 (NPNF2 vol. 14); Council in Trullo (692), Canon 13 (NPNF2 vol. 14).
Historical background: Catholic Encyclopedia, "Celibacy of the Clergy".