Family Law Act 1981
Engagements to marry not enforceable at law.
2.—(1) An agreement between two persons to marry one another, whether entered into before or after the passing of this Act, shall not under the law of the State have effect as a contract and no action shall be brought in the State for breach of such an agreement, whatever the law applicable to the agreement.
(2) Subsection (1) shall not have effect in relation to any action that has been commenced before the passing of this Act.