The following is a list of Roman Catholic Bishops of the dioceses Limerick whose seat is now in St. John’s Cathedral.

  • St Munchin d. 491 (Patron Saint of Limerick)
  • Gilbert 1106 – 1138
  • Patrick 1139
  • Erolph 1140 – 1151
  • Turgesius 1151 – 1167
  • Brictius 1167 – 1195
  • Donat O’Brien 1195 – 1207
  • Geoffrey 1207 – 1215
  • Edmund 1215 – 1222
  • Hubert de Burgho 1223 – 1250
  • Robert O’Neill 1251 – 1272
  • Gerald le Mareschal 1272 – 1301
  • Robert Dundonald 1302 – 1311
  • Eustace de L’Eau 1311 – 1336
  • Maurice Rochfort 1337 – 1353
  • Stephen Lawless 1354 – 1359
  • Stephen de Valle 1360 – 1369
  • Perter Curragh 1369 – 1400
  • Cornelius O’Dea 1400 – 1426
  • John Mothel 1426 – 1458
  • William Creagh 1459 – 1472
  • Thomas Arthur 1472 – 1486
  • Richard Stacpoole 1486
  • John Dunow 1486 – 1489
  • John Folan 1489 – 1521
  • John Quin 1524 – 1551
  • Hugh Lacy 1556 – 1579
  • Cornelius O’Boyle 1582 – 1597
  • Vicars 1597 – 1623
  • Richard Arthur 1623 – 1646
  • Edmund O’Dwyer 1646 – 1654
  • Vicars 1654 – 1677
  • James Dowley 1677 – 1685
  • John Molon 1689 – 1702
  • Cornelius O’Keeffe 1720 – 1737
  • Robert Lacy 1738 – 1759
  • Daniel Kearney 1759 – 1778
  • Denis Conway 1779 – 1796
  • John Young 1796 – 1813
  • Charles Tuohy 1815 – 1828
  • John Ryan 1828 – 1864 (Obituary Report)
  • George Butler 1864 – 1886 (Obituary Report)
  • Edward Thomas O’Dwyer 1886 – 1917 (Obituary Report)
  • Denis Hallinan 1918 – 1923 (Obituary Report)
  • David Keane 1924 – 1945
  • Patrick O’Neill 1946 – 1958
  • Henry Murphy 1958 – 1973
  • Jeremiah Newman 1974 – 1995
  • John Magee, Bishop of Cloyne and Apostolic Administrator of the Diocese of Limerick 1995 – 1996
  • Donal Murray 1996 – Present