The government legislation is now due to get royal assent, after which it is likely to become law later this week.
It is expected that the first gay and lesbian wedding ceremonies will take place by summer next year.
Under the terms of the the Marriage (Same Sex Couples) Bill, religious organisations will have to “opt in” to offering weddings, with the Church of England and Church in Wales being banned in law from doing so.
BREAKING NEWS: Same-sex marriage in England and Wales becomes law after being granted royal assent
via BBC News