| Bishop (2014.02.25 – ...): |  Bishop Donal McKeown (75) |
| Country | Cities (Londonderry)  | Churches (46) |
 Northern Ireland | Altinure, Londonderry |  St Mary  |
| Northern Ireland | Ballerin, Londonderry | St Mary (Parish) |
| Northern Ireland | Ballykelly, Londonderry | St Finlough |
| Northern Ireland | Ballymonie, Londonderry | Ss Peter and Paul |
| Northern Ireland | Bellaghy, Londonderry | St Mary (Parish) |
| Northern Ireland | Clady, Londonderry | St Oliver Plunkett (Parish) |
| Northern Ireland | Claudy, Londonderry | St Patrick (Parish) |
| Northern Ireland | Coleraine, Londonderry | St John (Parish) |
| Northern Ireland | Craigavole, Londonderry | St Mary |
| Northern Ireland | Craigbane, Londonderry | St Joseph |
| Northern Ireland | Desertmartin, Londonderry | St Mary (Parish) |
| Northern Ireland | Draperstown, Londonderry | Holy Rosary |
| Northern Ireland | Drumagarner, Londonderry | St Mary (Parish) |
| Northern Ireland | Dunboe, Londonderry | St Mary |
| Northern Ireland | Dungiven, Londonderry | St Patrick (Parish) |
| Northern Ireland | Faughanvale, Londonderry | Star of the Sea (Parish) |
| Northern Ireland | Fincairn, Londonderry | St Joseph (Parish) |
| Northern Ireland | Glen, Londonderry | St Patrick (Parish) |
| Northern Ireland | Glenullin, Londonderry | St Joseph |
| Northern Ireland | Gortnaghey, Londonderry | Immaculate Conception |
| Northern Ireland | Keenaught, Londonderry | St Patrick |
| Northern Ireland | Kilrea, Londonderry | St Anne |
| Northern Ireland | Lavey, Londonderry | St Mary (Parish) |
| Northern Ireland | Limavady, Londonderry | Christ the King |
| Northern Ireland | Limavady, Londonderry | St Mary (Parish) |
| Northern Ireland | Londonderry, Londonderry |  St Eugene (Cathedral, Parish) |
| Northern Ireland | Londonderry, Londonderry | Holy Family (Parish) |
| Northern Ireland | Londonderry, Londonderry | Immaculate Conception |
| Northern Ireland | Londonderry, Londonderry | Immaculate Conception (Parish) |
| Northern Ireland | Londonderry, Londonderry | Our Lady of Lourdes (Parish) |
| Northern Ireland | Londonderry, Londonderry | St Brigid Parish of the Three Patrons |
| Northern Ireland | Londonderry, Londonderry | St Columb (Parish) |
| Northern Ireland | Londonderry, Londonderry | St Columba (Parish) |
| Northern Ireland | Londonderry, Londonderry | St Joseph Parish of the Three Patrons |
| Northern Ireland | Londonderry, Londonderry | St Mary |
| Northern Ireland | Londonderry, Londonderry | St Mary (Parish) |
| Northern Ireland | Londonderry, Londonderry | St Mary |
| Northern Ireland | Londonderry, Londonderry | St Oliver Plunkett (Parish) |
| Northern Ireland | Londonderry, Londonderry | St Patrick Parish of the Three Patrons |
| Northern Ireland | Maghera, Londonderry |  St Lurach |
| Northern Ireland | Magilligan, Londonderry | St Aidan (Parish) |
| Northern Ireland | Moneyneena, Londonderry | St Eugene |
| Northern Ireland | Sixtowns, Londonderry | St Patrick |
| Northern Ireland | Straw, Londonderry | St Columba (Parish) |
| Northern Ireland | Swatragh, Londonderry | St John the Baptist (Parish) |
| Northern Ireland | Tamnaherin, Londonderry | St Mary |
| Country | Cities (Ulster) | Churches (27) |
 Ireland | Aughaclay, Donegal | St Patrick (Parish) |
| Ireland | Ballinacrae, Donegal | St Columba |
| Ireland | Ballybrack, Donegal | St Mary (Parish) |
| Ireland | Ballygorman, Donegal | Star of the Sea (Parish) |
| Ireland | Ballyliffin, Donegal | Assumption |
| Ireland | Buncrana, Donegal | St Mary |
| Ireland | Burt, Donegal | St Aengus |
| Ireland | Carndonagh, Donegal | Sacred Heart (Parish) |
| Ireland | Castlefinn, Donegal | St Mary |
| Ireland | Castlequarter, Donegal | St Mura (Parish) |
| Ireland | Clonmany, Donegal | St Mary (Parish) |
| Ireland | Cockhill, Donegal | St Mary (Parish) |
| Ireland | Culdaff, Donegal | St Mary (Parish) |
| Ireland | Desertegney, Donegal | Star of the Sea |
| Ireland | Doneyloop, Donegal | St Columba (Parish) |
| Ireland | Drung, Donegal | St Columba |
| Ireland | Fahan, Donegal | Immaculate Conception |
| Ireland | Inch, Donegal | Our Lady of Lourdes |
| Ireland | Iskaheen, Donegal | St Patrick (Parish) |
| Ireland | Killygordon, Donegal | St Patrick (Parish) |
| Ireland | Lagg, Donegal | St Mary |
| Ireland | Moville, Donegal | St Pius X (Parish) |
| Ireland | Muff, Donegal | Sacred Heart |
| Ireland | Murlough, Donegal | St Patrick (Parish) |
| Ireland | Sessiaghoneill, Donegal | St Mary |
| Ireland | Shrove, Donegal | St Joseph |
| Ireland | Urris, Donegal | St Michael |
| Country | Cities (Antrim) | Churches (1) |
| Northern Ireland | Ballyscullion, Antrim | St Joseph |
| Country | Cities (Tyrone) | Churches (25) |
| Northern Ireland | Aghyaran, Tyrone | St Patrick (Parish) |
| Northern Ireland | Aughabrack, Tyrone | St Mary |
| Northern Ireland | Broughderg, Tyrone | Our Lady of the Wayside |
| Northern Ireland | Castlederg, Tyrone | St Patrick (Parish) |
| Northern Ireland | Cloughcor, Tyrone | St Mary (Parish) |
| Northern Ireland | Dregish, Tyrone | St Mary |
| Northern Ireland | Drumragh, Tyrone | St Mary |
| Northern Ireland | Dunamanagh, Tyrone | St Patrick (Parish) |
| Northern Ireland | Glenmornan, Tyrone | St Joseph |
| Northern Ireland | Glenock, Tyrone | St Eugene (Parish) |
| Northern Ireland | Gortin, Tyrone | St Patrick (Parish) |
| Northern Ireland | Greencastle, Tyrone | St Mary (Parish) |
| Northern Ireland | Killyclogher, Tyrone | St Mary (Parish) |
| Northern Ireland | Knockmoyle, Tyrone | St Mary |
| Northern Ireland | Langfield, Tyrone | St Patrick (Parish) |
| Northern Ireland | Melmount, Tyrone | St Mary (Parish) |
| Northern Ireland | Mountfield, Tyrone | Corpus Christi |
| Northern Ireland | Newtownstewart, Tyrone | Mary, Mother of God |
| Northern Ireland | Omagh, Tyrone | Christ the King |
| Northern Ireland | Omagh, Tyrone | Sacred Heart (Parish) |
| Northern Ireland | Plumbridge, Tyrone | Sacred Heart (Parish) |
| Northern Ireland | Rouskey, Tyrone | St Mary |
| Northern Ireland | Sion Mills, Tyrone | St Theresa (Parish) |
| Northern Ireland | Strabane, Tyrone | Immaculate Conception (Parish) |
| Northern Ireland | Strabane, Tyrone | Sacred Heart |
Last updated on 2025.12.22
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