Ahead of voting, be sure to arm yourself with all the facts. The Referendum Commissioner Kevin Cross answered 10 key questions on same-sex marriage. Go to newstalk.com/useyourvote for details.
Read more on the key moments of the Marraige Equality Referendum:
March, 9: Bishop of Elphin: Gay parents of children are not necessarily parents
Kevin Doran says homosexuality is not "what God intended"
April, 13: Mary McAleese calls for Yes vote in same-sex marriage referendum
In April, the former president told George Hook that the marriage referendum 'is about children - Ireland's gay children'
April 14: Breda O'Brien criticises former President's decision to speak out on marriage referendum
Iona Institute patron called on Mary McAleese to clarify her comments.
April 25: Ex-pats abroad get involved, urging people to #UseYourVote
April 28: Mrs Brown gives us her views on the #MarRef
She says this is a chance for a big change, especially for her son Rory.
May 3: John Waters - The No side are being "scared into silence"
The writer spoke to Shane Coleman on The Sunday Show about the launch of his new group First Families First.
May 13: Dublin star Ger Brennan explains why he will be voting No in the Marriage Referendum
He told Pat Kenny that: "I felt that I needed to voice my opinion"
May 14: A Donegal mother speaks to Henry McKean about her gay son's suicide
Rita Doherty describes the moment her son revealed he was gay as being "like a nuclear bomb going off"
May 15: 'Until this referendum, I was going to my grave with that secret' Ursula Halligan speaks out
In what many view as a pivotal moment in the debate, TV3's political editor wrote a piece in The Irish Times last week.
TV3 Political Editor, Ursula Halligan, came out as gay in the lead up to the marriage referendum.
May 19: Mary McAleese: #MarRef offers the chance to make gay citizens first class citizens
The former president spoke to Pat Kenny after attending a Yes campaign event.
May 20: The 'Yes' and 'No' sides had their say this morning on Newstalk Breakfast... Here's how it went
Enda Morgan advocates for 'Yes' and David Quinn for 'No'
