Past Bishops Of Killala Diocese
| Name | Years |
|---|---|
| Tadgh O'Rourke | 1731 |
| Peter Archdekin O.F.M. | 1736 - 1739 |
| Bernard O'Rourke | 1739 - 1743 |
| John Brett O.P. | 1743 - 1748 |
| Mark Skerrett | Jan - May 1749 |
| Bonaventure McDonnell | 1749 - 1760 |
| Philip Phillips | 1760 - 1776 |
| Alexander Irwin | 1776 - 1779 |
| Dominick Bellew | 1780 - 1812 |
| Peter Waldron | 1814 - 1834 |
| John MacHale (Coadjud 1825-1834) | May - Sept 1834 |
| Francis Joseph O'Finan O.P. | 1835 - 1837 |
| Thomas Feeney | 1839 - 1873 |
| Hugh Conway (Coadjut 1872-1873) | 1873 - 1893 |
| John Conmy (Coadjut 1892-1893) | 1893 - 1911 |
| James Naughton | 1911 - 1950 |
| Patrick O'Boyle | 1951 - 1971 |
| Thomas McDonnell | 1971 - 1987 |
| Thomas Finnegan | 1987 - 2002 |
| John Fleming | 2002 to date |