457:39 Cohabitation, etc. – Persons cohabiting and acknowledging each other as husband and wife, and generally reputed to be such, for the period of 3 years, and until the decease of one of them, shall thereafter be deemed to have been legally married. Source. RS 149:11. CS 158:19. GS 161:16. GL 180:16. PS 174:15. PL 286:36. RL 338:39.
New Hampshire Legal Code