Catholic Church in Ireland
In the 2016 Irish census 78.3% of the population identified as Catholic in Ireland; numbering approximately 3.7 million people. Unlike Catholics in the United States, Ireland has seen a significant decline from the 84.2% who identified as Catholic in the 2011 census.
Diocese of Connor (Church of Ireland)
Based on Census figures, more than 100,000 self-described adherents of the Church of Ireland live in the Diocese, making it home to the largest Anglican population of any Irish diocese and more than one in four members of the Church of Ireland. It is unusual in being the only Church of Ireland diocese where Presbyteriansm, rather than Roman Catholicism is the religious denomination of a plurality of the population.