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South Dakota: 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 new ones
StatusAbolished July 1, 1959
LawSDCL 25-1-29

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 South Dakota.

How South Dakota compares

18 of 51 states and DC share this answer (No new ones): Alabama, Florida, Georgia, Idaho, Illinois, Indiana, Michigan, Minnesota, Mississippi, Missouri, Nevada, New Jersey, New York, Ohio, Pennsylvania, South Carolina, Wisconsin.

Also for South Dakota: Medicaid long-term care in South Dakota · Small estate limits in South Dakota · Will and trust rules in South Dakota · Estate and inheritance tax in South Dakota · Property tax rates in South Dakota · Medicaid expansion in South Dakota · Inheritance tax in South Dakota · Social Security tax in South Dakota · All South Dakota 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.