It produced a final result of 74% NO to 26% YES.
The result of last night's care ballot was the highest ever NO vote percentage in an Irish referendum.
It produced a final result of 74% NO to 26% YES, while the family ballot was also comprehensively defeated at 68% NO to 32% YES.
Only Dun Laoghaire in Dublin returned a YES vote in the family referendum, while all 39 constituencies voted NO in the care referendum.
Integration Minister Roderic O'Gorman says the Government failed to persuade the public: