Same-sex marriage in Northern Ireland the second attempt to introduce same-sex marriage was defeated by the Northern Ireland Assembly 53-42, with the Democratic Unionist Party and Ulster Unionist Party voting against and Sinn Féin, the Social Democratic and Labour Party, Alliance and the Green Party voting in favour. The third attempt on 29 April 2014 was defeated 51-43, with all nationalist MLAs (Sinn Féin and SDLP), most Alliance MPs and four unionists (two from NI21 and two from UUP) in favour. The remaining unionists (DUP, UUP, UKIP and Traditional Unionist Voice) and two Alliance MLAs voted against. A fourth attempt on 27 April 2015 also
United Ireland support for a referendum stands at 53% of Catholics, while 72% of Protestant respondents were opposed to the idea. A poll in May 2017 found that 51% were in favour of holding a referendum on a united Ireland within the next five years. In October 2017 a poll found that 61.94 percent were in favour of having a referendum on a united Ireland within the next ten years. The same poll found that 55 percent of those asked would vote to remain within the United Kingdom if a referendum was held tomorrow while 33.7 percent said they would vote yes