Same-sex marriage in the Republic of Ireland Recent polls, tabulated<br> Support is strongest among younger voters. Sinn Féin and Labour voters are somewhat more in favour than Fine Gael and Fianna Fáil. Among those intending to vote "Yes" in January 2015, 33/77 had "some reservations about same-sex marriage", and 29/77 had "some reservations about adoption by gay couples". A poll conducted a week before the referendum by "The Irish Times" showed that women supported same-sex marriage more than men. Same-sex marriage in the Republic of Ireland Same-sex marriage in the Republic of Ireland has been legal since 16 November 2015. A referendum on 22 May 2015 amended
United Ireland counties of Northern Ireland taken as a whole contain a plurality of Ulster Protestants who almost all favour continued union with Great Britain, although individually four of the six counties have Irish Catholic majorities and majorities voting for Irish nationalist parties. The religious denominations of the citizens of Northern Ireland are only a generalised guide to likely political preferences, as there are both Protestant nationalists and Catholic unionists. Surveys identify a significant number of Catholics who favour the continuation of the union without identifying themselves as Unionists or British. A poll in May 2017 found that 51% were in favour