Here is list of the Irish names for Ireland’s cities and major towns, covering all 32 counties (26 in the Republic of Ireland and 6 in Northern Ireland).
Republic of Ireland
County Carlow
- Carlow – Ceatharlach
- Tullow – An Tulach
- Muine Bheag (Bagenalstown) – Muine Bheag
County Cavan
- Cavan – An Cabhán
- Belturbet – Béal Tairbirt
- Ballyjamesduff – Baile Shéamais Dhuibh
- Virginia – Achadh an Iúir
County Clare
- Ennis – Inis
- Kilrush – Cill Rois
- Shannon – Sionainn
- Ennistymon – Inis Díomáin
County Cork
- Cork (city) – Corcaigh
- Bandon – Droichead na Bandan
- Cobh – An Cóbh
- Fermoy – Mainistir Fhear Maí
- Kinsale – Cionn tSáile
- Macroom – Maigh Chromtha
- Mallow – Mala
- Midleton – Mainistir na Corann
- Youghal – Eochaill
County Donegal
- Letterkenny – Leitir Ceanainn
- Buncrana – Bun Cranncha
- Ballyshannon – Béal Átha Seanaidh
- Donegal – Dún na nGall
County Dublin
- Dublin (city) – Baile Átha Cliath
- Dún Laoghaire – Dún Laoghaire
- Swords – Sord
- Balbriggan – Baile Brigín
- Malahide – Mullach Íde
County Galway
- Galway (city) – Gaillimh
- Tuam – Tuaim
- Ballinasloe – Béal Átha na Sluaighe
- Loughrea – Baile Locha Riach
County Kerry
- Tralee – Trá Lí
- Killarney – Cill Airne
- Listowel – Lios Tuathail
- Dingle – An Daingean
County Kildare
- Naas – An Nás
- Newbridge – Droichead Nua
- Celbridge – Cill Droichid
- Maynooth – Maigh Nuad
County Kilkenny
- Kilkenny (city) – Cill Chainnigh
- Thomastown – Baile Mhic Andáin
- Callan – Callainn
County Laois
- Portlaoise – Port Laoise
- Portarlington – Cúil an tSúdaire
- Mountmellick – Móinteach Mílic
County Leitrim
- Carrick-on-Shannon – Cora Droma Rúisc
- Manorhamilton – Cluainín
County Limerick
- Limerick (city) – Luimneach
- Newcastle West – An Caisleán Nua Thiar
- Abbeyfeale – Mainistir na Féile
County Longford
- Longford – An Longfort
- Granard – Gránard
- Edgeworthstown – Meathas Troim
County Louth
- Drogheda – Droichead Átha
- Dundalk – Dún Dealgan
- Ardee – Baile Átha Fhirdhia
County Mayo
- Castlebar – Caisleán an Bharraigh
- Ballina – Béal an Átha
- Westport – Cathair na Mart
- Claremorris – Clár Chlainne Mhuiris
County Meath
- Navan – An Uaimh
- Trim – Baile Átha Troim
- Kells – Ceanannas
County Monaghan
- Monaghan – Muineachán
- Carrickmacross – Carraig Mhachaire Rois
- Castleblayney – Baile na Lorgan
County Offaly
- Tullamore – Tulach Mhór
- Birr – Biorra
- Edenderry – Éadan Doire
County Roscommon
- Roscommon – Ros Comáin
- Boyle – Mainistir na Búille
- Castlerea – Caisleán Riabhach
County Sligo
- Sligo – Sligeach
- Tubbercurry – Tobar an Choire
- Strandhill – An Leathros
County Tipperary
- Clonmel – Cluain Meala
- Nenagh – An tAonach
- Thurles – Durlas
- Tipperary – Tiobraid Árann
- Cashel – Caiseal
County Waterford
- Waterford (city) – Port Láirge
- Dungarvan – Dún Garbhán
- Tramore – Trá Mhór
County Westmeath
- Mullingar – An Muileann gCearr
- Athlone – Baile Átha Luain
- Moate – An Móta
County Wexford
- Wexford – Loch Garman
- Enniscorthy – Inis Córthaidh
- Gorey – Guaire
- New Ross – Ros Mhic Thriúin
County Wicklow
- Wicklow – Cill Mhantáin
- Bray – Bré
- Arklow – An tInbhear Mór
- Greystones – Na Clocha Liatha
Northern Ireland
County Antrim
- Belfast (city) – Béal Feirste
- Lisburn (city) – Lios na gCearrbhach
- Ballymena – Baile Meánach
- Carrickfergus – Carraig Fhearghais
- Larne – Latharna
- Antrim – Aontroim
County Armagh
- Armagh (city) – Ard Mhacha
- Craigavon (incl. Lurgan & Portadown) – Creag Abhann
- Lurgan – An Lorgain
- Portadown – Port an Dúnáin
County Down
- Newry (city) – An tIúr
- Bangor – Beannchar
- Downpatrick – Dún Pádraig
- Banbridge – Droichead na Banna
County Fermanagh
- Enniskillen – Inis Ceithleann
- Lisnaskea – Lios na Scéithe
County Londonderry
- Derry/Londonderry (city) – Doire
- Coleraine – Cúil Raithin
- Limavady – Léim an Mhadaidh
County Tyrone
- Omagh – An Ómaigh
- Dungannon – Dún Geanainn
- Strabane – An tSrath Bán
- Cookstown – An Chorr Chríochach