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.
? – 1661 (afterwards Bishop of Limerick, Ardfert and Aghadoe)[1]
1661–1664 (poet)[1]
1794–1797[1]
1904–1912
1606–1625 (also Dean of Cashel)[2]
1625–1637 (son of above; afterwards Dean of Kilmore)[2]
1637 – ? (fled to England 1641; later chaplain to Oliver Cromwell)[2]
1718–1720 (afterwards Bishop of Killala and Achonry)[2]
1720–1721 (afterwards Bishop of Ferns)[2]
1721 (later Bishop of Killala and Achonry)[2]
1727–1749 (d. 1749)[2]
1769–1785[2]
1790–1800 (afterwards Dean of Clonmacnoise, later Bishop of Limerick, Ardfert and Aghadoe)[2]
1814–1829[2]
1829–1854[2]
1854–1860 (afterwards Dean of Derry)
1860–1880
1880–1896
1896–1912 (d. 1912)
1913–1921
1933–1944
1944–1954
1954–1963
1963–1967
1967–1983
1983–1991
1992–1999
1999–2004
2004–present