Divorce, Remarriage, and Annulments

The Catholic claim

A valid sacramental marriage is indissoluble. Civil divorce may be tolerated for legal reasons but cannot free someone to marry another if the bond remains. A declaration of nullity states that a valid marriage never existed because of a defect at the start.

Biblical evidence

Jesus teaches that what God has joined, man must not separate. Remarriage after divorce is called adultery when the first bond remains. The exception clauses require careful reading; they do not create modern no-fault remarriage.

Matthew 19:3-9
“Pharisees came to him, testing him, and saying, “Is it lawful for a man to divorce his wife for any reason?” He answered,”
Mark 10:2-12
“Pharisees came to him testing him, and asked him, “Is it lawful for a man to divorce his wife?” He answered, “What did Moses command you?”
Luke 16:18
“Everyone who divorces his wife, and marries another, commits adultery. He who marries one who is divorced from a husband commits adultery.”
1 Corinthians 7:10-11
“But to the married I command—not I, but the Lord—that the wife not leave her husband (but if she departs, let her remain unmarried,”
Romans 7:2-3
“For the woman that has a husband is bound by law to the husband while he lives, but if the husband dies,”

Tradition and magisterium

The Catechism and canon law distinguish separation, divorce, and nullity. Pastoral accompaniment (including Amoris Laetitia's call to discernment) cannot contradict the indissolubility of a valid bond.

Annulment investigations examine consent, capacity, and impediments—not whether spouses later became unhappy.

History and development

The Church resisted emperors and kings on remarriage. Modern tribunal practice is juridical and pastoral; abuses of process do not redefine the doctrine.

Hermas
The Shepherd 4:1:6 · A.D. 80
“What then shall the husband do, if the wife continue in this disposition [adultery]? Let him divorce her, and let the husband remain single. But if he divorce his wife and marry another, he too commits adultery”
Justin Martyr
First Apology 15 · A.D. 151
“In regard to chastity, [Jesus] has this to say: ‘If anyone look with lust at a woman, he has already before God committed adultery in his heart.’ And, ‘Whoever marries a woman who has been divorced from another husband, commits adultery.’ According to our Teacher, just as they are sinners who contract a second marriage, even though it be in accord with human law, so also are they sinners who look with lustful desire at a woman. He repudiates not only one who actually commits adultery, but even one who wishes to do so; for not only our actions are manifest to God, but even our thoughts”
Clement of Alexandria
Miscellanies 2:23:145:3 · A.D. 208
“That Scripture counsels marriage, however, and never allows any release from the union, is expressly contained in the law: ‘You shall not divorce a wife, except for reason of immorality.’ And it regards as adultery the marriage of a spouse, while the one from whom a separation was made is still alive. ‘Whoever takes a divorced woman as wife commits adultery,’ it says; for ‘if anyone divorce his wife, he debauches her’; that is, he compels her to commit adultery. And not only does he that divorces her become the cause of this, but also he that takes the woman and gives her the opportunity of sinning; for if he did not take her, she would return to her husband”
Origen
Commentaries on Matthew 14:24 · A.D. 248
“Just as a woman is an adulteress, even though she seem to be married to a man, while a former husband yet lives, so also the man who seems to marry her who has been divorced does not marry her, but, according to the declaration of our Savior, he commits adultery with her”
Basil the Great
Second Canonical Letter to Amphilochius 199:37 · A.D. 375
“A man who marries after another man’s wife has been taken away from him will be charged with adultery in the case of the first woman; but in the case of the second he will be guiltless”

Mastery and practice

To master this topic, a student should be able to teach it simply, answer the main objections without caricature, and connect it to the wider map of Catholic faith.

Evidence of mastery: Distinguish divorce and nullity; State Jesus' teaching on remarriage; Speak mercifully to the divorced.

Could the learner explain annulments without sounding like paperwork magic?

Distinguish divorce and nullity
State Jesus' teaching on remarriage
Speak mercifully to the divorced

Common objections

Annulments are hypocrisy.

Hypocrisy would be pretending a valid marriage simply ended. A declaration of nullity is a claim about the beginning—that something essential for a true marital bond was missing. When tribunals err, the fix is better justice, not abandoning the distinction between divorce and nullity.

Matthew's exception allows remarriage.

The Church reads the porneia clauses in continuity with Mark, Luke, and the wider tradition—not as a general license to remarry after any failed civil marriage. Jesus’ hard word on permanence still stands; the exception does not dissolve every difficult bond into free remarriage.

Mercy requires blessing second unions.

Mercy tells the truth and still accompanies the wounded. It does not declare adultery to be marriage, because false blessing is not compassion. Accompaniment without honesty abandons people to a fiction about their state before God.

Sources

Citations for this article. Browse the full bibliography to see every place each source is used across the library.

Catechism

CCC 2382

Divorce as a grave offense against nature

The Lord Jesus insisted on the original intention of the Creator who willed that marriage be indissoluble. He abrogates the accommodations that had slipped into the old Law. (1614) Between the baptized,…

CCC 2382. Teaching

Open source Also in bibliography

Catechism

CCC 2384

Civil divorce and the marriage bond

Divorce is a grave offense against the natural law. It claims to break the contract, to which the spouses freely consented, to live with each other till death. Divorce does injury to the covenant of salvation,…

CCC 2384. Distinction

Open source Also in bibliography

Catechism

CCC 1629

Nullity when consent was invalid

For this reason (or for other reasons that render the marriage null and void) the Church, after an examination of the situation by the competent ecclesiastical tribunal, can declare the nullity of a marriage, i.e.,…

CCC 1629. Annulment

Open source Also in bibliography

Scripture