Pennsylvania no longer recognizes new common law marriages formed on or after January 1, 2005, but relationships that met the legal requirements before that date may still be valid. If you are in a long-term relationship in Pennsylvania without a formal marriage, your legal rights depend heavily on when that relationship began and how it was structured.
Pennsylvania Common Law Marriages Before 2005
Before 2005, Pennsylvania was one of a handful of states that allowed couples to establish a legally recognized marriage without a license or ceremony. To qualify, both partners needed to agree to be married, present themselves publicly as a married couple, and have the capacity to marry.
If your relationship met those requirements before January 1, 2005, your common law marriage may still be valid under state law. However, proving it requires viable evidence.
How to Prove You Have a Valid Common Law Marriage
If you believe you entered into a common law marriage before 2005 in Pennsylvania, you will need to show evidence that both partners intended to be married and held themselves out publicly as a married couple. The types of proof courts typically consider include:
- Joint tax returns filed as a married couple
- Shared bank accounts or joint property ownership
- Use of the same last name
- Statements from friends, family, or neighbors who knew you as married
- Insurance policies or beneficiary designations listing a spouse
The burden of proving a common law marriage falls on the person claiming it exists. If your former partner disputes the marriage, having multiple forms of documentation strengthens your position and makes it harder to challenge your claim.
What Legal Rights Do Unmarried Couples Have in Pennsylvania?
Unmarried couples in Pennsylvania do not have the same automatic legal protections as married couples. If you are not legally married, your partner has no default right to your assets or property, and you have no default right to theirs.
That gap can create real problems when a long-term relationship ends. Property you assumed was shared may legally belong to only one partner. If you have been in a committed relationship for years, the lack of automatic protections can feel deeply unfair. However, there are steps you can take to protect yourself.
What Is a Cohabitation Agreement?
A cohabitation agreement is a written contract between unmarried partners that spells out how finances, property, and responsibilities will be handled during and after the relationship. It functions similarly to a prenuptial agreement. However, it is designed for couples who are not married. A cohabitation agreement can cover a range of topics:
- Division of shared property and assets
- Responsibility for joint debts
- Financial contributions to household expenses
- Ownership of real estate purchased together
- What happens to shared property if the relationship ends
Having a cohabitation agreement in place does not mean you expect the relationship to fail. It simply means both partners have a clear record of what was agreed to, which can prevent costly disputes later. Pennsylvania courts generally enforce these agreements when they are properly drafted and signed voluntarily by both parties.
Inheritance and Property Rights for Unmarried Partners in Pennsylvania
Unmarried partners in Pennsylvania have no automatic inheritance rights. If your partner dies without a will, Pennsylvania’s intestacy laws do not recognize an unmarried partner as an heir. Their assets would pass to their relatives, not to you, regardless of how long you were together.
The tools available to protect yourself include a properly drafted will, updated beneficiary designations on retirement accounts and life insurance policies, joint ownership arrangements, and powers of attorney that give you legal authority to act on your partner’s behalf. These documents do not replace a marriage certificate, but they can provide real protection for women in committed long-term partnerships.
What Legal Rights Do Unmarried Parents Have in Pennsylvania?
When unmarried parents in Pennsylvania have children together, both parents retain legal rights and responsibilities toward those children, regardless of their relationship status. However, certain rights are not automatic for all parents and may need to be established through legal action. Unmarried parents should be aware of the following:
- Custody and visitation rights for both parents
- The right to seek child support from the other parent
- Establishment of legal paternity
- Decision-making authority for the child’s education and medical care
- The right to petition for modifications if circumstances change
Under 23 Pa. C.S. § 5328, Pennsylvania courts determine custody based on the best interests of the child, and both parents have the right to file for custody regardless of marital status. A parent’s gender does not determine who receives custody or how much time each parent gets with the child.
Can an Unmarried Partner Receive Child Support in Pennsylvania?
Yes. Child support in Pennsylvania is based on the child’s needs and the income of both parents, not on whether the parents were ever married. If paternity is established, either parent can file for child support through the court system.
Can an Unmarried Partner Receive Spousal Support in Pennsylvania?
No. Spousal support and alimony are only available to individuals who were legally married. Under 23 Pa. C.S. § 3701, alimony may be awarded following a divorce, but unmarried partners cannot request it regardless of how long the relationship lasted.
Reach Out to Our Pennsylvania Family Law Attorneys to Discuss Your Case
At WSM, our attorneys understand how overwhelming it can feel to navigate questions about your legal rights at the end of a long-term relationship. We take the time to hear your full situation, explain your options clearly, and build a plan that fits your needs.
If you are dealing with a common-law marriage question, a custody issue, or concerns about protecting your property, we are here to help. Call (412) 336-3931 or contact us online to schedule a free consultation with our Pennsylvania family law attorneys.

