The Bishop of Kilmore and Ardagh was the Ordinary of the Church of Ireland diocese of Kilmore and Ardagh in the Province of Armagh. The Diocese of Kilmore composed most of County Cavan and parts of counties Leitrim, Fermanagh, Meath and Sligo. The Diocese of Ardagh comprised most of County Longford and parts of counties Cavan and Roscommon.
The Episcopal sees of Kilmore and Ardagh were intermittently combined in the 17th and 18th centuries until they were finally united in 1839. They were combined further with Elphin in 1841 to form the united bishopric of Kilmore, Elphin and Ardagh.
| Bishops of Kilmore and Ardagh | ||||
|---|---|---|---|---|
| From | Until | Incumbent | Notes | |
| 1604 | 1612 | Robert Draper | Nominated on 9 December 1603 and appointed by letters patent on 2 March 1604. Died in August 1612. | |
| 1613 | 1629 | Thomas Moigne | Nominated on 6 December 1612 and consecrated on 12 January 1613. Died on 1 January 1629. | |
| 1629 | 1633 | William Bedell | Formerly Provost of Trinity College Dublin 1627–1629. Nominated on 16 April 1629 and consecrated on 13 September 1629. Relinquished the title bishop of Ardagh in 1633 but continued as the separate bishop of Kilmore until his death in 1642. | |
| 1633 | 1661 | During this period, Kilmore and Ardagh were again separate sees | ||
| 1661 | 1672 | Robert Maxwell | Appointed Bishop of Kilmore in 1643, he became Bishop of Kilmore and Ardagh in 1661 when the two sees were reunited. Died on 1 November 1672. | |
| 1673 | 1682 | Francis Marsh | Translated from Limerick, Ardfert and Aghadoe. Nominated on 4 December 1672 and appointed by letters patent on 10 January 1673. Translated to Dublin on 14 February 1682. | |
| 1682 | 1691 | William Sheridan | Nominated on 14 January 1682 and consecrated on 19 February 1682. Deprived of the see for not taking the oaths to William III and Mary II in 1691. Died on 1 October 1711. | |
| 1691 | 1693 | See vacant | During this period, Ulysses Burgh was consecrated Bishop of Ardagh in 1692, but died later in the same year. | |
| 1693 | 1699 | William Smyth | Translated from Raphoe. Appointed by letters patent on 5 April 1693. Died on 24 February 1699. | |
| 1699 | 1713 | Edward Wetenhall | Translated from Cork and Ross. Nominated on 19 March 1699 and appointed by letters patent on 18 April 1699. Died 12 November 1713. | |
| 1715 | 1727 | Timothy Godwin | Nominated on 7 October 1714 and consecrated on 16 January 1715. Translated to Cashel on 3 July 1727. | |
| 1727 | 1742 | Josiah Hort | Translated from Ferns and Leighlin. Appointed by letters patent on 27 July 1727. Translated to Tuam on 21 January 1742. | |
| 1742 | 1839 | During this period, Kilmore was again a separate see, and Ardagh was united to the see of Tuam | ||
| 1839 | 1841 | George de la Poer Beresford | Appointed Bishop of Kilmore in 1802, he became Bishop of Kilmore and Ardagh in 1839 when the two sees were reunited. Died on 15 October 1841. | |
| Since 1841, the see has been part of the united bishopric of Kilmore, Elphin and Ardagh. | ||||
| align=center colspan="4" | Source(s):[1] | |||