Abartagh to Aghyrassy
| Townland | County | Parish |
| Abartagh | Clashmore | Waterford |
| Abberanville | Kiltullagh | Galway |
| Abbernadoorny | Killymard | Donegal |
| Abbert | Monivea | Galway |
| Abbert Demesne | Monivea | Galway |
| Abbeville | Lorrha | Tipperary |
| Abbey | Kilmocomoge | Cork |
| Abbey | Ballynakill | Galway |
| Abbey | Abbeyknockmoy | Galway |
| Abbey | Kilflyn | Limerick |
| Abbey East | Abbey | Clare |
| Abbey Island | Kilbarron | Donegal |
| Abbey Island | Kilcrohane | Kerry |
| Abbey Land | Urney | Cavan |
| Abbey Land | Mostrim | Longford |
| Abbeycartron | Templemichael | Longford |
| Abbeycartron | Elphin | Roscommon |
| Abbeyderg | Taghsheenod | Longford |
| Abbeydorney T. | O'Dorney | Kerry |
| Abbeydown | Moyacomb | Wexford |
| Abbeyfarm | St. Peter's & St. Paul's | Limerick |
| Abbeyfeale East | Abbeyfeale | Limerick |
| Abbeyfeale T. | Abbeyfeale | Limerick |
| Abbeyfeale West | Abbeyfeale | Limerick |
| Abbeyfield | Kilconnell | Galway |
| Abbeygormacan | Abbeygormacan | Galway |
| Abbeygrey or Monasternalea | Athleague | Galway |
| Abbeygrey or Monasternalea | Killeroran | Galway |
| Abbeygrove | Blanchvilleskill | Kilkenny |
| Abbeyhalfquarter | Kilmoremoy | Sligo |
| Abbeyland | Clane | Kildare |
| Abbeyland | Castledermot | Kildare |
| Abbeyland | Duleek | Meath |
| Abbeyland | Multyfarnham | Westmeath |
| Abbeyland | Navan | Meath |
| Abbeyland & Charlestown or Ballynamonaster | Kilbixy | Westmeath |
| Abbeyland Great | Clonfert | Galway |
| Abbeyland Little | Clonfert | Galway |
| Abbeyland North | Dunmore | Galway |
| Abbey-lands | Kinsale | Cork |
| Abbey-lands (in 5 pts.) | Ringcurran | Cork |
| Abbeylands | Kilbarron | Donegal |
| Abbeylands | Kilcolman | Kerry |
| Abbeylands | Rathkeale | Limerick |
| Abbeylands | Killala | Mayo |
| Abbeylands | Kilculliheen | Waterford |
| Abbeylands | Arklow | Wicklow |
| Abbeyland South | Dunmore | Galway |
| Abbeyland South | Navan | Meath |
| Abbeylara | Abbeylara | Longford |
| Abbeylara T. | Abbeylara | Longford |
| Abbeyleix Demesne | Abbeyleix | Laois |
| Abbeyleix T. | Abbeyleix | Laois |
| Abbeymahon | Abbeymahon | Cork |
| Abbey Park | Armagh | Armagh |
| Abbeypark | Clontuskert | Galway |
| Abbeyquarter | Annagh | Mayo |
| Abbeyquarter North | St. John's | Sligo |
| Abbeyquarter South | St. John's | Sligo |
| Abbeyshrule | Abbeyshrule | Longford |
| Abbeyside | Dungarvan | Waterford |
| Abbey Strand T. | Tullagh | Cork |
| Abbeystrowry | Abbeystrowry | Cork |
| Abbeytown | Donaghpatrick | Galway |
| Abbeytown | Crossmolina | Mayo |
| Abbeytown | Ballysadare | Sligo |
| Abbey T. | Inishlounaght | Tipperary |
| Abbeyville | Kinsaley | Dublin |
| Abbeyville | Ballynakill | Galway |
| Abbeyville or Ardlaherty | Drumrat | Sligo |
| Abbey West | Abbey | Clare |
| Abbotstown | Castleknock | Dublin |
| Abelstown | Gernonstown | Meath |
| Abington | Abington | Limerick |
| Ablintown | Kildavin | Wexford |
| Abocurragh | Cleenish | Fermanagh |
| Abohill | Cleenish | Fermanagh |
| Acantha | Durrow | Offaly |
| Acarreagh | Castletown | Louth |
| Acaun | Rathvilly | Carlow |
| Achillbeg Island | Achill | Mayo |
| Achonry | Achonry | Sligo |
| Aclamon | Tellarought | Wexford |
| Aclare | Myshall | Carlow |
| Aclare Cottage Demesne | Drumcondra | Meath |
| Aclare House Demesne | Drumcondra | Meath |
| Aclare T. | Kilmacteige | Sligo |
| Aclint | Philipstown | Louth |
| Acraboy | Solloghodmore | Tipperary |
| Acragar | Rathbeagh | Kilkenny |
| Acragar | Ardea | Laois |
| Acraroe | Tullaghanbrogue | Kilkenny |
| Acravally | Culfeightrin | Antrim |
| Acre Beg | Kilteskill | Galway |
| Acre East | Ahascragh | Galway |
| Acre McCricket | Kilclief | Down |
| Acre More | Kilteskill | Galway |
| Acrenakirka | Mora | Tipperary |
| Acres | Denn | Cavan |
| Acres | Drumcreehy | Clare |
| Acres | Kilmacduane | Clare |
| Acres | Feakle | Clare |
| Acres | Templenacarriga | Cork |
| Acres | Kilmeen | Cork |
| Acres | Litter | Cork |
| Acres | Ringrone | Cork |
| Acres | Kilbolane | Cork |
| Acres | Fanlobbus | Cork |
| Acres | Dromdaleague | Cork |
| Acres | Kilmacabea | Cork |
| Acres | Boho | Fermanagh |
| Acres | Aghalurcher | Fermanagh |
| Acres | Tuam | Galway |
| Acres | RAhoon | Galway |
| Acres | Ballynkill | Galway |
| Acres | Kilkerrin | Galway |
| Acres | Ballinvoher | Kerry |
| Acres | Kilconly | Kerry |
| Acres | Aglish | Kerry |
| Acres | Cloone | Leitrim |
| Acres | Inishmagrath | Leitrim |
| Acres | Kiltoghert | Leitrim |
| Acres | Mohill | Leitrim |
| Acres | Killeedy | Limerick |
| Acres | Clonbroney | Longford |
| Acres | Mayo | Mayo |
| Acres | Ballybay | Monaghan |
| Acres | Tedavnet | Monaghan |
| Acres | Roscommon | Roscommon |
| Acres | Kilmacumsy | Roscommon |
| Acres | Dungarvan | Waterford |
| Acre West | Ahascragh | Galway |
| Acton | Ballymore | Armagh |
| Acton T. | Ballymore | Armagh |
| Adam's Island | Kilfaughnabeg | Cork |
| Adamstown | Ballinaboy | Cork |
| Adamstown | Garristown | Dublin |
| Adamstown | Aderrig | Dublin |
| Adamstown | Athneasy | Limerick |
| Adamstown | Drumcar | Louth |
| Adamstown | Laracor | Meath |
| Adamstown | Templemore | Tipperary |
| Adamstown | Kilmeadan | Waterford |
| Adamstown | Lisnakill | Waterford |
| Adamstown | Castletownkindalen | Westmeath |
| Adamstown | Conry | Westmeath |
| Adamstown | Adamstown | Wexford |
| Adamstown Lower | Tullaroan | Kilkenny |
| Adamstown Upper | Tullaroan | Kilkenny |
| Adamswood | Croagh | Limerick |
| Adare | Adare | Limerick |
| Adare T. | Adare | Limerick |
| Addane | Dolla | Tipperary |
| Addanstown | Trim | Meath |
| Addergoole | Kilkeedy | Clare |
| Addergoole | Ballynakill | Galway |
| Addergoole | Annaghdown | Galway |
| Addergoole | Killererin | Galway |
| Addergoole | Abbeygormacan | Galway |
| Addergoole | Aghamore | Mayo |
| Addergoole | Aghmacart | Laois |
| Addergoole Beg | Dunmore | Galway |
| Addergoole or Knockmaria | Addergoole | Mayo |
| Addergoole More | Dunmore | Galway |
| Addergoole North | Ahascragh | Galway |
| Addergoole South | Ahascragh | Galway |
| Addergoole West | Ahascragh | Galway |
| Addergown | Rattoo | Kerry |
| Adderville | Clonmany | Donegal |
| Adderwal | Inishkeel | Donegal |
| Addinstown | Castletowndelvin | Westmeath |
| Addragool | Moycullen | Galway |
| Addrigoole | Lisgenan or Grange | Waterford |
| Addroon | Ruan | Clare |
| Aderavoher | Easky | Sligo |
| Adereen | Kiltoghert | Leitrim |
| Aderg | Annagh | Mayo |
| Aderrig | Aderrig | Dublin |
| Admiran | Stranorlar | Donegal |
| Adoon | Cloone | Leitrim |
| Adragool | Kilkeevin | Roscommon |
| Adramone Beg | Kilrossanty | Waterford |
| Adramone More | Kilrossanty | Waterford |
| Adraval | Ballincuslane | Kerry |
| Adrigole | Kilcaskan | Cork |
| Adrigool | Castlehaven | Cork |
| Adrivale | Drishane | Cork |
| Adruel | Kilcomin | Offaly |
| Afaddy or Silverspring | Ballytarsney | Kilkenny |
| Affady or Silverspring | Pollrone | Kilkenny |
| Affane | Affane | Waterford |
| Affane Hunter | Affane | Waterford |
| Affick | Tulla | Clare |
| Affoley | Modeshil | Tipperary |
| Affollus | Moyglare | Meath |
| Affouley | Galey | Kerry |
| Afoley | Rearymore | Laois |
| Agall | Lynally | Offaly |
| Agall | Rahan | Offaly |