Dr Peter Boylan is welcoming the results in the referendum count so far.
The leading obstetrician and campaigner has been a vocal advocate for repealing the 8th amendment. He had long claimed that doctors' hands were tied by the 8th.
The medic has paid tribute to the group Terminations For Medical Reasons, who bravely told their stories.
Taoiseach Leo Varadkar says the referendum results are the culmination of a quiet revolution.
Meanwhile the Save the 8th group has described the result as "a tragedy of historic proportions"
Spokesperson John McGuirk says "if and when abortion clinics are opened in Ireland, because of the inability of the Government to keep their promise about a GP led service, we will oppose that as well."
Elsewhere the British Advisory and Pregnancy Service is "delighted the people of Ireland have voted to repeal the 8th amendment"
In a statement it says Irish women have been forced to travel to its clinics for decades, and the result means the government can bring an end to this suffering.
Bpas is calling for British Prime Minister Theresa May to show the same compassion and move to legalise terminations in Northern Ireland.
Director of External Affairs Clare Murphy says the UK government can no longer absolve itself of its responsibility to the women of the North.