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Legal Separation and Annulment in Delaware

Whether Delaware offers legal separation, how it differs from divorce, and the grounds for an annulment.

Short answer: The Family Court grants an annulment when a spouse lacked capacity to consent (mental incapacity, alcohol or drugs), could not consummate the marriage and the other did not know, was underage and did not confirm the marriage after reaching legal age, relied on fraud going to the essence… 13 Del. C. § 1506

AnnulmentThe Family Court grants an annulment when a spouse lacked capacity to consent (mental incapacity, alcohol or drugs), could not consummate the marriage and the other did not know, was underage and did not confirm the marriage after reaching legal age, relied on fraud going to the essence of the marriage, married under duress, married as a jest or dare, or the marriage is prohibited and void or voidable by law. Most grounds must be raised within 90 days after learning of the problem; inability to consummate within 1 year; being underage within 1 year of the marriage. Children of an annulled marriage are legitimate.
Re-verified 2026-10-27.

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FAQ

What are the grounds for annulment in Delaware?
The Family Court grants an annulment when a spouse lacked capacity to consent (mental incapacity, alcohol or drugs), could not consummate the marriage and the other did not know, was underage and did not confirm the marriage after reaching legal age, relied on fraud going to the essence of the marriage, married under duress, married as a jest or dare, or the marriage is prohibited and void or voidable by law. Most grounds must be raised within 90 days after learning of the problem; inability to consummate within 1 year; being underage within 1 year of the marriage. Children of an annulled marriage are legitimate.

General legal information, not legal advice. Laws change and local rules can differ; check the linked official source or talk to a lawyer about your situation.