The original religion for Ireland was catholic but when the British invaded some were converted to the protestant religion. But even now the catholic religion is still the most major in the country.
every major religion is found in Ireland Roman Catholic, Church of Ireland, Presbyterian, Methodist, Orthodox, Islam, Judaism, Buddhism, etc
Protestant in the North and Catholic in the South
Roman Catholic is Ireland's most common religion. After that it is the Church of Ireland.
Catholic.Roman Catholicism is the predominant religion of Ireland.
Ireland is predominantly Catholic with a minor Protestant (or Church of Ireland) following. English is the main language spoken, although the original ancient Celtic language (Gaelic) is taught at schools.
Catholicism is the main religion in Connacht, which is a province that is found in the west of Ireland.
The "Church of Ireland" is a protestant church.
Christianity
Christianity is the dominant religion in Northern Ireland. Most people in Northern Ireland are members of a Protestant church, such as Presbyterians or Anglicans, who are members of the Church of Ireland.
Jewish
The largest concentration is in Northern Ireland, although it is present throughout Ireland.