Department of Foreign Affairs and Trade • A breakdown of the holders of Irish Passports within each of the Six Counties, i.e. Antrim, Derry, Tyrone, Down, Fermanagh & Armagh. • Number of Catholics in the Six Counties, i.e. Antrim, Derry, Tyrone, Down, Fermanagh & Armagh. • Number of Protestants within the Six Counties, i.e. Antrim, Derry, Tyrone, Down, Fermanagh & Armagh.