List of cathedrals in Ireland
This article lists the current and former cathedrals of the main Christian churches in Ireland. Since the main denominations are organised on an all-Ireland basis, this article includes information about both jurisdictions: Northern Ireland and the Republic of Ireland.
It is a commonly held perception that the term 'cathedral' may be applied to any particularly large or grand church. Whilst many cathedrals may be such, this is due to their ecclesiastical status (such a church is grand because it is a cathedral, rather than it being a cathedral because of its grandeur). A cathedral may therefore be a smaller building, particularly where they exist in sparser or poorer communities. Modern cathedrals may lack the grandeur of former times, focussing on the functional aspect of a place of worship, though it should be borne in mind that many of the grand and ancient cathedrals of today were originally built to a much smaller plan, and have been successively extended and rebuilt over the centuries. Some cathedrals were purpose-built as such, whilst others were formerly parochial, or parish churches, subsequently promoted in status due to ecclesiastical requirements such as periodic diocesan reorganisation.
Essentially, a cathedral church is a Christian place of worship which is the chief, or 'mother' church of an episcopal see and is distinguished as such by being the location for the cathedra or bishop's seat. Strictly speaking therefore, only those Christian denominations with an Episcopal polity possess cathedrals. However the label 'cathedral' remains in common parlance for notable churches which were formerly part of an episcopal denomination, such as may be the case with some Scottish churches which are now within the Presbyterian Church of Scotland (see List of cathedrals in Scotland). In addition, former cathedrals which may now be in a ruined state, retain their nominal status.
The following list comprises, for the Republic of Ireland and Northern Ireland, all locations of a current cathedral church, or former cathedral church, as well as those locations where no trace remains of the structure, indeed where the precise location is no longer known.
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