Marriage may be proved by evidence of an admission thereof by an adverse party, by evidence of general repute or of cohabitation of the parties as married persons, or of any other fact from which it may be inferred.
Mass. Gen. Laws ch. 207, § 47
Evidence of marriage; admissions; repute; cohabitation
Official source: Massachusetts Legislature. Reproduced from public-domain Massachusetts statutes; confirm against the official source for the current text. Not legal advice.