Dublin North West is only the second Dublin constituency to deliver an official YES result.
73% voted in favour of repealing the 8th while 27% were against.
A little earlier Dublin Central became the first Dublin constituency to officially declare.
76.5% voted yes, 23.5% voted no.
Across Dublin some three quarters of voters have said they want to see abortion legalised in Ireland.
An official declaration is expected at Dublin Castle this evening and crowds have already started gathering.
Women whose babies were diagnosed with fatal foetal abnormalities say the results are a 'huge relief'.
Two exit polls have smashed perceptions that there would be a major urban divide between those in favour of repealing the 8th amendment and those who want it retained.
It looks like every age demographic voted for repeal with the exception of the over 65s.
Almost 90% of 18 to 24s voted yes.