Five years since the first same-sex UK marriage, Peter McGraith calls for marriage equality to be extended to Northern Ireland Equal marriage advocates Conor McGinn MP and Lord Hayward issue joint statement urging Westminster to legislate The first same-sex couple to get married in the UK is urging the Government to extend marriage equality to Northern Ireland on the fifth anniversary of their wedding (Friday 29 March). Peter McGraith and David Cabreza from north London had been partners for 17 years before they tied the knot at one-minute past midnight on 29 March 2014, making them the first same-sex couple to marry in the UK after the passing of the Marriage (Same Sex Couples) Act 2013.