Can a common-law marriage be annulled?

If a valid common-law marriage exists, it can generally be annulled only on the same grounds that apply to a ceremonial marriage, such as fraud, bigamy, or lack of capacity. If the requirements for a common-law marriage were never met, there may be no marriage to annul in the first place.

Do I need a divorce to end a common-law marriage?

In most states that recognize common-law marriage, a valid one is treated like any other marriage and must be ended through divorce, not simply by separating. An annulment is a separate remedy that treats the marriage as if it was never valid.

How do I prove a common-law marriage existed?

Courts typically look at whether the couple agreed to be married, lived together, and presented themselves publicly as spouses. Evidence can include joint tax returns, shared accounts, and statements to family and community.

What happens if my state does not recognize common-law marriage?

Many states will still recognize a common-law marriage that was validly formed in a state that allows it. If no valid marriage ever existed, courts may resolve property and support issues through other legal channels instead of divorce or annulment.

Can You Annul a Common-Law Marriage?

By The Annulment Lawyers Editorial Team · Sun Jul 26 2026 00:00:00 GMT+0000 (Coordinated Universal Time)

Many people assume that living together for a certain number of years automatically creates a marriage that can later be annulled. The reality is more nuanced. Whether you can annul a common-law marriage depends first on whether a valid common-law marriage ever existed, and then on whether legal grounds for annulment apply.

What a Common-Law Marriage Actually Is

A common-law marriage is a legally recognized marriage formed without a license or ceremony. Contrary to popular belief, simply living together for many years does not create one. In states that still recognize common-law marriage, couples typically must meet several conditions: they must agree to be married, live together, and hold themselves out to the public as a married couple. That last element often matters most. Filing joint tax returns, using the same last name, referring to each other as spouses, and sharing finances can all support the claim.

If those elements are not met, there may be no marriage at all, which changes the legal picture significantly.

Which States Recognize Common-Law Marriage

Only a handful of states still allow new common-law marriages to be formed. A few others recognize common-law marriages that were created before a certain cutoff date but no longer permit new ones. The specific list changes over time as laws are updated, so it is worth confirming the current rules in your state.

Importantly, many states that do not permit common-law marriages will still recognize one that was validly formed elsewhere. This is based on the general principle that a marriage valid where it was created is usually treated as valid in other states. So a couple who established a common-law marriage in a recognizing state and then moved is often still considered married.

Can You Annul It, or Do You Divorce?

Here is a common point of confusion. If a valid common-law marriage exists, it is generally treated like any other marriage. That means ending it typically requires a divorce, not a simple decision to walk away. You do not "un-form" a common-law marriage just by separating or moving out.

An annulment is different from a divorce. An annulment treats the marriage as if it never legally existed, usually because something was fundamentally wrong at the start. To annul a valid common-law marriage, you would generally need the same grounds courts require for ceremonial marriages, which often include:

Fraud or misrepresentation about something essential to the marriage
Bigamy, where one spouse was already married
Lack of mental capacity or consent
One party being underage without proper consent
Being closely related within prohibited degrees

If none of these grounds apply, annulment is usually not available, and divorce becomes the path to legally end the relationship.

When There Was No Marriage to Begin With

Sometimes the question is not "can we annul this" but "was there ever a marriage." If a couple never met the requirements for a common-law marriage, or lived in a state that does not recognize it, a court may find that no legal marriage existed. In that situation, there is nothing to annul or divorce.

That does not always leave partners without options. Courts and other legal processes may still address shared property, financial contributions, and support for any children. These matters are often handled through property law or family law claims rather than through annulment or divorce.

Proving or Disputing the Marriage

Because common-law marriages have no license, disputes often center on whether the marriage existed at all. One partner may argue there was a valid marriage entitling them to spousal rights, while the other denies it. Courts typically weigh the couple's conduct, documents, and how they presented themselves to others. This can become one of the most contested parts of the case.

Getting Reliable Guidance

Rules on common-law marriage, recognition across state lines, and grounds for annulment vary widely and change over time. Because so much depends on your specific facts and state, speaking with a qualified professional in your area is the most reliable way to understand your options.

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