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 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