Every household in Northern Ireland has received a copy of the agreement. In a referendum on 22 May 1998, more than 71% of voters supported the agreement. The turnout was 82%. The Democratic Unionist Party (then the second Unionist Party) had not participated in the talks and had opposed the agreement. She did a “no.” McCartney rejected the agreement and called it “an attempt to buy the IRA, not to bring peace.” Jim Molyneaux, former head of the UUP, also opposed the peace agreement. As you can see, even if the Catholic voice was 100% yes, then the majority of Protestants (53%) Always vote yes. We can see with sufficient certainty that the majority of Protestants voted “yes” on May 22, 1998. As we said above, the Catholic vote in pre-referendum elections averaged 93%, allowing us to propose that the “no” vote be 57%. It was a well-known fact that those in the Unionist and Protestant communities were much more likely to oppose the agreement than those in the nationalist and Catholic communities. It would be very interesting to know which part of the Protestant community voted yes. Although it is not possible to find it directly, we can find a good estimate if we assume that those who voted did so in the same Catholic-Protestant proportion as the composition of Northern Ireland as a whole; That is, if we assume that 38% of the electorate were Catholic. It is a simple thing to calculate the Protestant voice when you know the Catholic vote. In pre-referendum polls, the Catholic vote averaged 93% – much more predictive than the protest vote.
We can therefore assume that Catholics voted yes somewhere between 85 and 100%. That is why we calculated the entire Protestant “yes” vote for various accepted Catholic voices: the infamous UDA killer, Michael Stone, recently released from prison, publicly supported the agreement at a rally at Ulster Hall a week before Election Day. It was the first time since 1918 that citizens from all over Ireland had voted on the same subject at the same time, even though, south of the ballot border, there was an additional question to amend Articles 2 and 3 of the Constitution, which formulated a somewhat outdated version of Irish nationality while claiming the six northern counties.