Is My Texas Common-Law Marriage Valid in Illinois?

 Posted on March 19, 2026 in Divorce

Although nine states currently recognize common-law marriage, Illinois is not one of them. What happens, then, when a couple with a recognized common-law marriage in another state – like Texas – moves to Illinois? Is the common-law marriage recognized? What if the couple wants to divorce? 

The tricky part of this equation might be proving that you did, in fact, have a valid common-law marriage. If you are facing a similar situation, speaking to a knowledgeable Will County, IL family law attorney can help you determine where you stand in this situation.

What Constitutes a Common-Law Marriage in Texas?

There are essentially four elements that must be present for a common-law marriage to be valid:

• You must live together. Usually, the longer a couple has lived together, the stronger the case for common-law marriage.

• Both parties must have the legal right to marry – i.e., you are not married to anyone else, you are of legal age, and you are mentally competent.

• Both parties must have the intent to be married. If only one spouse considers the relationship a marriage, it is not a common-law marriage.

• Both parties must present themselves as a married couple to others. This could include calling each other husband and wife, and taking the same last name. It could also mean sharing joint bank accounts, credit cards, or mortgages.

Although common-law marriages have existed for more than 100 years, they are relatively rare today. Technically speaking, Illinois law does recognize a common-law marriage from another state.

In reality, there may be a lot of evidence pointing to the contrary. That can make it very hard to prove a common-law marriage in a state that does not recognize it.

Why Do People Want a Common Law Marriage?

Some couples rely on the idea of common-law marriage because they have built a life together without having a formal wedding. They may share a home, raise children, combine finances, and tell other people they are husband and wife. In some cases, people believe that living together for many years automatically makes them married. Others may avoid a formal ceremony for personal, financial, or religious reasons.

What Rights Do Married Couples Have in 2026?

Married couples in Illinois have clear legal rights and responsibilities. These rights affect many parts of daily life, from finances to healthcare decisions. A legal marriage gives both spouses protection under state law.

For example, married couples can share property and may have rights to divide that property if they divorce. They may also have rights to spousal support, inheritance, and benefits like health insurance. In medical situations, a spouse can often make decisions if the other person cannot.

Though a couple in a common-law marriage has lived together for years, they may not have the right to property division or financial support if the relationship ends. This is why many long-term couples are surprised when they separate and realize the law does not treat them like married spouses.

How Does Illinois View a Common-Law Marriage from Another State?

Couples in a common-law marriage from another state may run into various difficulties. Even if both spouses assert that they are married, the state may not always acknowledge their legal status as spouses without strong evidence. 

If the state does not recognize your marriage, it could have major repercussions. Illinois has no automatic legal protections for unmarried couples. With no legal precedent, the state of Illinois could not prevent one partner from kicking the other out of the family residence strictly on the basis of a common-law marriage unless both names were listed on the mortgage or lease.

To get the same property rights as a married couple, you need a cohabitation agreement. This contract establishes how property and finances will be distributed if the couple splits up. However, a cohabitation agreement does not address child custody or child support.

The Divorce Process for a Common Law Marriage

If Illinois does not recognize your relationship as a marriage, then there is no formal divorce process. Instead, the end of the relationship is treated more like a separation between unmarried partners. This can make things harder, particularly if children are involved.

If your common-law marriage is proven valid in another state, Illinois may treat you as legally married. In that case, you would need to go through the normal divorce process under the Illinois Marriage and Dissolution of Marriage Act. This includes filing for divorce, dividing marital property, and resolving issues like child custody and support.

For couples who are not legally married, disputes over property or finances may need to be handled through civil claims instead. This can be more complicated and may not lead to the same outcomes as a divorce case.

It is crucial to understand how the law applies to your relationship. Even small details can affect your rights.

Contact a DuPage County, IL Divorce Attorney

Things can get complicated if you had a common-law marriage in another state, now live in Illinois, and want to end that relationship. The Law Office of Ronald L. Hendrix, P.C. is here to provide you with clarity and guidance.

Attorney Hendrix has over 30 years of legal experience. He also holds a master’s degree in guidance and counseling in addition to his law degree and is a court-appointed mediator. If you have questions about marriage laws or anything related to divorce, call 630-355-7776 to schedule your free consultation with our Naperville, IL divorce lawyer today.