The Dean of Elphin and Ardagh is based in St John the Baptist Cathedral, Sligo in the Diocese of Elphin and Ardagh within the united bishopric of Kilmore, Elphin and Ardagh of the Church of Ireland. The dioceses of Elphin and Ardagh were merged in 1841. The original cathedral had been destroyed by military action in 1496 and the original diocesan cathedral was damaged by a storm in 1957 and abandoned in 1961.
The current incumbent is The Very Reverend A. Williams.
The Dean of Tuam is a post held in the Diocese of Tuam, as head of the cathedral chapter from after the creation of the diocese at the Synod of Rathbreasail in 1111.
The Dean of Dromore has responsibility for Dromore Cathedral in the Diocese of Down and Dromore in the Church of Ireland.
The Dean of Kilmore is based at the Cathedral Church of St Fethlimidh in Kilmore in the Diocese of Kilmore within the united bishopric of Kilmore, Elphin and Ardagh. Prior to the 1841 amalgamation the cathedral was in the bishopric of Kilmore and Ardagh.
The Dean of Limerick and Ardfert is based in the Cathedral Church of St Mary's in Limerick in the united diocese of Limerick, Killaloe and Ardfert within the Church of Ireland. St Brendan's Cathedral, Ardfert was destroyed by fire in 1641.
The Dean of Killaloe is based at the Cathedral Church of St Flannan in Killaloe in the united diocese of Limerick, Killaloe and Ardfert within the Church of Ireland. The Dean of Killaloe is also Dean of St Brendans, Clonfert, Dean of Kilfenora, and both Dean and Provost of Kilmacduagh.
The Dean of Waterford in the United Dioceses of Cashel and Ossory in the Church of Ireland is the dean of Christ Church Cathedral, Waterford.
The Dean of Lismore is based at The Cathedral Church of St Carthage, Lismore in the united Diocese of Cashel and Ossory within the Church of Ireland.
The Dean of Kilkenny or Dean of Ossory is based at The Cathedral Church of St Canice, Kilkenny in the united Diocese of Cashel and Ossory within the Church of Ireland.
The Dean of Ossory or Dean of Kilkenny is based at The Cathedral Church of St Canice, Kilkenny in the united Diocese of Cashel and Ossory within the Church of Ireland.
The Dean of Ferns is based at The Cathedral Church of St Edan, Ferns in the united Diocese of Cashel and Ossory within the Church of Ireland.
The Dean of Leighlin is based at the Cathedral Church of St Laserian, Old Leighlin in the united Diocese of Cashel and Ossory within the Church of Ireland.
The Dean of Armagh in the Church of Ireland is the dean of the Anglican St Patrick's Cathedral, the cathedral of the Diocese of Armagh and the metropolitan cathedral of the Province of Armagh, located in the town of Armagh.
The Dean of Down is based in The Cathedral Church of the Holy and Undivided Trinity, Downpatrick within the Diocese of Down and Dromore of the Church of Ireland.
The Dean of Connor is based at Christ Church Cathedral, Lisburn in the Diocese of Connor within the Church of Ireland. The chapter is however known as the Chapter of St Saviours, Connor after the previous cathedral church in Connor.
The Dean of Derry is based at St Columb's Cathedral, Derry in the Diocese of Derry and Raphoe in the Church of Ireland.
The Dean of Raphoe is based at the Cathedral Church of St Eunan in Raphoe, County Donegal, in Ulster. The Deanery is within the Diocese of Derry and Raphoe within the Church of Ireland. The Deanery is currently vacant since January 2021.
The Dean of Achonry used to be based at the Cathedral Church of St Crumnathy, Achonry in the Diocese of Achonry within the united bishopric of Tuam, Killala and Achonry of the Church of Ireland.
The Dean of Ross is based at the Cathedral Church of St. Fachtna in Rosscarbery in the Diocese of Ross within the united bishopric of Cork, Cloyne and Ross of the Church of Ireland.
The Dean of Emly was based at The Cathedral Church of St Alibeus, Emly in the former Diocese of Emly within the Church of Ireland. St Alibeus' cathedral was demolished in 1877.
The Archdeacon of Ardfert was a senior ecclesiastical officer within the Anglican Diocese of Limerick, Ardfert and Aghadoe from the early thirteenth century to the early twentieth. As such he was responsible for the disciplinary supervision of the clergy within his part of the Diocese of Ardfert ; and then the combined diocese of Limerick, Ardfert and Aghadoe.