What they said: 'Biggest turnout in history to say love is highest law in land'
Reaction to Ireland's vote was resounding from around the world
"Today Ireland has sent a powerful message to the world for fairness, for equality and for decency. The Irish people have directly declared that their LGBT brothers and sisters deserve the same rights protected for others.
"As a city filled with strong Irish communities, we applaud this significant victory. And as a city committed to justice and equality for all, we urge our national leaders to grant all Americans this essential right here at home." - Bill de Blasio, Mayor of New York
"This is a truly historic moment: Ireland has become the first country in the world to approve marriage equality in a nationwide referendum.
"The result sends an important message to the world: All people are entitled to enjoy their human rights no matter who they are or whom they love." - Ban Ki-moon UN General Secretary
"I congratulate the people of Ireland - I'm happy they've decided to respect the sanctity of marriage.
"It's not about being right or expressing how clever and smart and progressive we are - it's about giving others permission to join in
"Married life has suited me wonderfully. I'm dizzyingly happy and I'm looking well particularly because of that - and I'm as well fed as always." - Stephen Fry
"It's a moment for us to thank the people who bring us peace to our country. We have peace in Ireland today . . . and in fact on this very day we have true equality in Ireland. And in the biggest turnout in the history to say love is the highest law in the land.
"If God loves us, whoever we love, wherever we come from, then why can't the State?" - Bono on tour in US (top right)
"The pure joy of it. I'm so proud of Ireland today. We can all take pride in making history. Only sorry I can't be there to celebrate!" - Hozier
"Ireland says yes to marriage equality, making it the first country to pass the freedom to marry by popular vote. Love Always Wins" - Ricky Martin