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Common Law Marriage New Jersey: 7 Shocking Facts You Must Know

Posted on : August 28, 2025, By:  Erlina Perez
common law marriage New Jersey

Many couples believe that living together automatically creates a common law marriage New Jersey recognizes, but this misconception can lead to devastating financial consequences. The reality surrounding marriage laws in the Garden State contains several shocking truths that could dramatically impact your future. These facts can make or break your legal protection, so it’s essential to know them before committing to any long-term relationship.

Fact 1: New Jersey Completely Abolished Common Law Marriage in 1939

The most shocking reality is that the question “Does New Jersey have common law marriage?” has a definitive answer: absolutely not since December 1, 1939. While other states took years to get rid of these arrangements, New Jersey cut them off completely with one new law. The state’s rule, N.J.S.A. 37:1-10, basically says all common law marriages are worthless after that date. This means couples who stuck together for decades, pooled their money, and acted like husband and wife get absolutely nothing legally. The only exception applies to relationships established before December 1, 1939 – making those couples likely deceased by now.

Fact 2: You Cannot Accidentally Become Married in New Jersey

Despite what many believe about New Jersey common law marriage, you cannot accidentally become legally married regardless of your actions. Couples can spend decades together, share bank accounts, file joint tax returns, and wear wedding rings without gaining any marriage rights. This differs completely from states like Colorado or Montana, where doing certain things can actually make you legally married. New Jersey demands a proper marriage license and ceremony to gain spousal rights. Acting like husband and wife means absolutely nothing legally in this state.

Fact 3: Pre-1939 New Jersey Common Law Marriage Rules Still Hold Legal Weight

Here’s what’s shocking: marriages from before that 1939 cutoff still count today. Courts must treat these relationships like any other marriage – with the same rights, same responsibilities, and the whole deal. However, proving such a marriage existed nearly 86 years ago presents enormous challenges. Documentation from that era is scarce, and witnesses are virtually nonexistent. Yet these marriages can still impact inheritance cases and Social Security benefits for surviving spouses or descendants.

Fact 4: Written Palimony Agreements Are Your Only Protection

Since there is no common law marriage in New Jersey, unmarried couples must rely on written palimony agreements for financial protection. New Jersey requires these contracts to be in writing to be enforceable; oral agreements hold no legal weight. Without the right paperwork, a partner who gave up their career, paid household bills, or helped grow a business gets absolutely nothing when things fall apart. That famous Lee Marvin palimony case in California opened everyone’s eyes, but New Jersey plays by much stricter rules. Many couples don’t realize this until their relationship ends badly and they’re scrambling to figure out their finances.

Fact 5: New Jersey Common Law Marriage Statute and Child Support 

While New Jersey common law marriages don’t provide spousal rights, they cannot eliminate parental obligations. Unmarried parents face the same child support responsibilities as divorced couples. The New Jersey Child Support Guidelines apply regardless of the parents’ marital status. However, unmarried fathers must establish paternity before courts will enforce support orders. This process can become complicated and expensive, especially if the mother disputes paternity or if significant time has passed since the child’s birth.

Fact 6: Property Rights Disappear Without Legal Marriage

No common law marriage in New Jersey means unmarried couples get zip when it comes to each other’s stuff. If your partner dies without a will, you’re left with nothing – it doesn’t matter if you’ve been together for thirty years. Everything goes to their family under New Jersey’s inheritance rules. You should ensure that both names are included on all important documents. Bank accounts, real estate, and investments should be appropriately titled to avoid devastating consequences. Many couples learn this lesson too late when grieving partners discover they have no legal claim to the home they shared for years.

Fact 7: Social Security and Insurance Benefits Are Lost Forever 

The most financially devastating consequence of not having New Jersey common law marriage rules is the loss of federal benefits that require a legal marriage. Unmarried partners are not eligible to collect Social Security survivor benefits, regardless of the duration of the relationship. can name them on life insurance, but they won’t get the same protections married spouses do when creditors come knocking. Retirement accounts hit unmarried partners with bigger tax bills, too. All these missing benefits can add up to hundreds of thousands of dollars over the years, leaving surviving partners in serious financial trouble when they thought they’d be protected.

Know Your Rights Under New Jersey’s Marriage Laws

Getting the real story about common law marriage New Jersey laws lets couples make smart choices about their relationship and financial future. Without common law marriage protection, unmarried couples need to handle the legal stuff themselves to make sure they’re both covered down the road.

If you’re concerned about your legal rights as an unmarried couple or need guidance on protecting your relationship, Divorce & Family Lawyer Erlina Perez can help you understand your options. Our experienced family lawyers provide compassionate guidance for all relationship situations. Don’t wait until it’s too late to secure your future. Call us today at tel:(201) 880-7070 or visit our contact page to schedule a consultation and learn how to protect what matters most.