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New Mexico: common law marriage

Whether your state lets couples form a marriage without a license or ceremony, and when states that ended it did so.

Can a new one be formed?No
StatusNot allowed
LawNMSA 40-1-1

Every state recognizes a valid common law marriage formed in a state that allows it. Living together for a set number of years does not by itself create a marriage anywhere.

General information only, not legal, insurance or financial advice. Not affiliated with any government agency. Exceptions can apply. Confirm with the state agency, the court or a licensed professional in New Mexico.

How New Mexico compares

23 of 51 states and DC share this answer (No): Alaska, Arizona, Arkansas, California, Connecticut, Delaware, Hawaii, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Nebraska, North Carolina, North Dakota, Oregon, Tennessee, Vermont, Virginia, Washington, West Virginia, Wyoming.

Also for New Mexico: Medicaid long-term care in New Mexico · Small estate limits in New Mexico · Will and trust rules in New Mexico · Estate and inheritance tax in New Mexico · Property tax rates in New Mexico · Medicaid expansion in New Mexico · Inheritance tax in New Mexico · Social Security tax in New Mexico · All New Mexico rules on one page

How we checked this

Status comes from a statute- and case-cited 50-state table verified in June 2026 and matches FindLaw's list of recognizing states. Last checked: November 12, 2026. Laws change; confirm with the state agency or a licensed professional before acting.

Cross-checked sources agree   Checked on official source confirmed on a government, court or legislature site   Single detailed source one detailed table built from statutes or official data   Under review sources disagree; read the note and the law.