Newgrange to Oyster Island
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A list of townlands of Ireland from Newgrange to Oyster Island, together with alternative possibilities for the parish and county in which it is located. See Irish Townlands Category for further lists of townslands.
| Townland | Parish | County | Remarks |
| Newgrange | Monknewtown | Meath | |
| Newgrove | Glanworth | Cork | |
| Newgrove | Killian | Galway | |
| Newgrove | Kilreekill | Galway | |
| Newgrove | Dysartmoon | Kilkenny | |
| Newgrove | Tedavnet | Monaghan | |
| Newgrove | Drumraney | Westmeath | |
| Newgrove or Ballyslattery | Tulla | Clare | |
| Newhaggard | Lusk | Dublin | |
| Newhaggard | Garristown | Dublin | |
| Newhaggard | Trim | Meath | |
| Newhaggard | Kilsharvan | Meath | |
| Newhall | Killone | Clare | |
| Newhall | Kiltartan | Galway | |
| Newhall | Ladytown | Kildare | |
| Newhall | Oldconnell | Kildare | |
| Newhall | Dunleer | Louth | |
| Newhall | Kilcooly | Tipperary | |
| Newhall or Gorteenafoly | Ettagh | Offaly | |
| Newhill | Ballymoney | Antrim | |
| Newhill | Twomileborris | Tipperary | |
| Newhouse | Gowran | Kilkenny | |
| Newhouse | Tullaherin | Kilkenny | |
| Newhouse | Termonfeckin | Louth | |
| Newhouse | Kilcowan | Wexford | |
| Newhouse | Ballymore | Wexford | |
| Newhouses | Kilrane | Wexford | |
| Newhouses | St. Helen's | Wexford | |
| Newinn T. | Knockgraffon | Tipperary | |
| Newland North | Killashee | Kildare | |
| Newlands | Glynn | Antrim | |
| Newlands | Clondalkin | Dublin | |
| Newlands | Burnchurch | Kilkenny | |
| Newlands Demesne | Clondalkin | Dublin | |
| Newlands Demesne | Tallaght | Dublin | |
| Newland South | Killashee | Kildare | |
| Newland West | Killashee | Kildare | |
| Newlawn | Terryglass | Tipperary | |
| Newmarket | Tomfinlough | Clare | |
| Newmarket | Clonfert | Cork | |
| Newmarket | Aghaviller | Kilkenny | |
| Newmarket on Fergus T. | Tomfinlough | Clare | |
| Newmarket T. | Clonfert | Cork | |
| Newmill | Aughnish | Donegal | |
| Neworchard | St. John's | Kilkenny | |
| Newpaddocks | Blessington | Wicklow | |
| New Park | Antrim | Antrim | |
| Newpark | Feenagh | Clare | |
| Newpark | Templemaley | Clare | |
| Newpark | Ward | Dublin | |
| Newpark | Kill | Dublin | |
| Newpark | Drumkeeran | Fermanagh | |
| Newpark | Kilmeage | Kildare | |
| Newpark | Kilmaganny | Kilkenny | |
| Newpark | Croagh | Limerick | |
| Newpark | Effin | Limerick | |
| Newpark | Cashel | Longford | |
| Newpark | Kilconduff | Mayo | |
| Newpark | Kilmorgan | Sligo | |
| Newpark | Ballysheehan | Tipperary | |
| Newpark | Kilcooly | Tipperary | |
| New Park | Dromore | Tyrone | |
| Newpark | Donaghmore | Wicklow | |
| Newpark or Loughanavagh | St. Feighin's | Westmeath | |
| Newpark Lower | St. Maul's | Kilkenny | |
| Newpark Upper | St. Maul's | Kilkenny | |
| Newpass Demesne | Rathaspick | Westmeath | |
| Newport | Rathreagh | Longford | |
| Newport | Burrishoole | Mayo | |
| Newport | Kilvellane | Tipperary | |
| Newport East | Kilcockan | Waterford | |
| Newport T. | Burrishoole | Mayo | |
| Newport T. | Kilvellane | Tipperary | |
| Newport West | Kilcockan | Waterford | |
| Newquay | Oughtmama | Clare | |
| Newragh | Louth | Louth | |
| Newrath | Dromiskin | Louth | |
| Newrath | Louth | Louth | |
| Newrath | Kilbeg | Meath | |
| Newrath | Slane | Meath | |
| Newrath | Kilculliheen | Waterford | |
| Newrath | Rathnew | Wicklow | |
| Newrath Big | Siddan | Meath | |
| Newrath Big | Kells | Meath | |
| Newrath Little | Kells | Meath | |
| Newross | Kilnarath | Tipperary | |
| Newross | St. Mary's | Wexford | Bantry barony |
| New Ross T. | St. Mary's | Wexford | |
| Newrow | Clonleigh | Donegal | |
| Newrow | Raphoe | Donegal | |
| Newrow | Kilteel | Kildare | |
| Newry | Clogher | Tyrone | |
| Newry | Moyacomb | Wicklow | |
| Newry T. | Newry | Armagh | |
| Newry T. | Newry | Down | |
| Newstone | Drumcondra | Meath | |
| Newstown | Ardoyne | Carlow | |
| Newtate or Drummoan | Killesher | Fermanagh | |
| Newtown | Ardclinis | Antrim | |
| Newtown | Killevy | Armagh | |
| Newtown | Agha | Carlow | |
| Newtown | St. Mullin's | Carlow | |
| Newtown | Kilmore | Cavan | |
| Newtown | Kinawley | Cavan | |
| Newtown | Templeport | Cavan | |
| Newtown | Denn | Cavan | |
| Newtown | Drumcreehy | Clare | |
| Newtown | Killuran | Clare | |
| Newtown | Kiltenanlea | Clare | |
| Newtown | Mallow | Cork | |
| Newtown | Ballyhay | Cork | |
| Newtown | Doneraile | Cork | |
| Newtown | Kilmocomoge | Cork | |
| Newtown | Kilbroney | Down | |
| Newtown | Balscaddan | Dublin | |
| Newtown | Garristown | Dublin | |
| Newtown | Westpalstown | Dublin | |
| Newtown | Coolock | Dublin | |
| Newtown | St. Margaret's | Dublin | |
| Newtown | Swords | Dublin | |
| Newtown | Kiltiernan | Dublin | |
| Newtown | Cruagh | Dublin | |
| Newtown | Devenish | Fermanagh | |
| Newtown | Ballynakill | Galway | Ballymoe Barony |
| Newtown | Killeroran | Galway | |
| Newtown | Kilmacduagh | Galway | |
| Newtown | Kiltartan | Galway | |
| Newtown | Kilmalinoge | Galway | |
| Newtown | Moycullen | Galway | |
| Newtown | Abbeyknockmoy | Galway | |
| Newtown | Cloncurry | Kildare | |
| Newtown | Castledermot | Kildare | |
| Newtown | Killelan | Kildare | |
| Newtown | Kineagh | Kildare | |
| Newtown | Rathmore | Kildare | |
| Newtown | Tipper | Kildare | |
| Newtown | Killashee | Kildare | |
| Newtown | Laraghbryan | Kildare | |
| Newtown | Leixlip | Kildare | |
| Newtown | Kildare | Kildare | |
| Newtown | Rathangan | Kildare | |
| Newtown | Tully | Kildare | |
| Newtown | Ballyshannon | Kildare | |
| Newtown | Donaghcumper | Kildare | |
| Newtown | Kill | Kildare | |
| Newtown | Clomantagh | Kilkenny | |
| Newtown | Kilcooly | Kilkenny | |
| Newtown | St. Canice | Kilkenny | |
| Newtown | Graiguenamanagh | Kilkenny | |
| Newtown | St. John's | Kilkenny | |
| Newtown | Thomastown | Kilkenny | |
| Newtown | Dunkitt | Kilkenny | |
| Newtown | Kilmacow | Kilkenny | |
| Newtown | Dunnamaggan | Kilkenny | |
| Newtown | Mothell | Kilkenny | |
| Newtown | Roscomroe | Offaly | |
| Newtown | Rahan | Offaly | |
| Newtown | Kilcomin | Offaly | |
| Newtown | Castlejordan | Offaly | |
| Newtown | Lusmagh | Offaly | |
| Newtown | Geashill | Offaly | |
| Newtown | Kilcumreragh | Offaly | |
| Newtown | Kilmanaghan | Offaly | |
| Newtown | Caherconlish | Limerick | |
| Newtown | Inch St. Lawrence | Limerick | |
| Newtown | Kilmurry | Limerick | |
| Newtown | Tuoghcluggin | Limerick | |
| Newtown | Galbally | Limerick | |
| Newtown | Bruff | Limerick | |
| Newtown | Kilcornan | Limerick | |
| Newtown | Kilkeedy | Limerick | |
| Newtown | Hospital | Limerick | |
| Newtown | Kilpeacon | Limerick | |
| Newtown | Rathreagh | Longford | |
| Newtown | Ballymacormick | Longford | |
| Newtown | Killashee | Longford | |
| Newtown | Louth | Louth | Ardee Barony |
| Newtown | Termonfeckin | Louth | |
| Newtown | Louth | Louth | Louth Barony |
| Newtown | Ballyovey | Mayo | |
| Newtown | Burriscarra | Mayo | |
| Newtown | Kilmore | Mayo | |
| Newtown | Kilbelfad | Mayo | |
| Newtown | Killallon | Meath | |
| Newtown | Loughcrew | Meath | |
| Newtown | Colp | Meath | |
| Newtown | Duleek | Meath | |
| Newtown | Knockcommon | Meath | |
| Newtown | Cruicetown | Meath | |
| Newtown | Kilmainham | Meath | |
| Newtown | Newtown | Meath | |
| Newtown | Ratoath | Meath | |
| Newtown | Ardcath | Meath | |
| Newtown | Newtownclonbun | Meath | |
| Newtown | Aghmacart | Laois | |
| Newtown | Stradbally | Laois | |
| Newtown | Offerlane | Laois | |
| Newtown | Drum | Roscommon | |
| Newtown | Termonbarry | Roscommon | |
| Newtown | Kilteevan | Roscommon | |
| Newtown | Oran | Roscommon | |
| Newtown | Creagh | Roscommon | |
| Newtown | Bumlin | Roscommon | |
| Newtown | Ahamlish | Sligo | |
| Newtown | Castleconor | Sligo | |
| Newtown | Ballymurreen | Tipperary | |
| Newtown | Holycross | Tipperary | |
| Newtown | Bourney | Tipperary | |
| Newtown | Corbally | Tipperary | |
| Newtown | Ballycahill | Tipperary | |
| Newtown | Templebeg | Tipperary | |
| Newtown | Dorrha | Tipperary | |
| Newtown | Templeachally | Tipperary | |
| Newtown | Youghalarra | Tipperary | |
| Newtown | Ballymackey | Tipperary | |
| Newtown | Clonbeg | Tipperary | |
| Newtown | Solloghodbeg | Tipperary | |
| Newtown | Killaloan | Tipperary | |
| Newtown | Aghacrew | Tipperary | |
| Newtown | Baptistgrange | Tipperary | |
| Newtown | Erry | Tipperary | |
| Newtown | Knockgraffon | Tipperary | |
| Newtown | Templemichael | Waterford | |
| Newtown | Ardmore | Waterford | |
| Newtown | Kinsalebeg | Waterford | |
| Newtown | Dungarvan | Waterford | |
| Newtown | Modelligo | Waterford | |
| Newtown | Rossmire | Waterford | |
| Newtown | Stradbally | Waterford | |
| Newtown | Crooke | Waterford | |
| Newtown | Kilculliheen | Waterford | |
| Newtown | St. John's Without | Waterford | |
| Newtown | Castletowndelvin | Westmeath | |
| Newtown | Mayne | Westmeath | |
| Newtown | Mullingar | Westmeath | |
| Newtown | Ballymore | Westmeath | |
| Newtown | Donaghmore | Wexford | |
| Newtown | Kilmuckridge | Wexford | |
| Newtown | Adamstown | Wexford | |
| Newtown | Killann | Wexford | |
| Newtown | Bannow | Wexford | |
| Newtown | Killag | Wexford | |
| Newtown | Kilmore | Wexford | |
| Newtown | Kilturk | Wexford | |
| Newtown | Taghmon | Wexford | |
| Newtown | Kilscoran | Wexford | |
| Newtown | Rathmacknee | Wexford | |
| Newtown | St. Peter's | Wexford | |
| Newtown | Ferns | Wexford | |
| Newtown | Monart | Wexford | |
| Newtown | Carrick | Wexford | |
| Newtown | Drumkay | Wicklow | |
| Newtown | Hollywood | Wicklow | |
| Newtown | Kilmacanoge | Wicklow | |
| Newtown | Mullinacuff | Wicklow | |
| Newtown | Donaghmore | Wicklow | |
| Newtown | Kilranelagh | Wicklow | |
| Newtown | Drumcannon | Waterford | |
| Newtown | Islandikane | Waterford | |
| Newtown | Kilmeadan | Waterford | |
| Newtownadam | Caher | Tipperary | |
| Newtownallen | Ballaghmoon | Kildare | |
| Newtown Anderson T. | Calry | Sligo | |
| Newtownanner Demesne | Kilsheelan | Tipperary | |
| Newtown Ards T. | Newtownards | Down | |
| Newtownbabe | Ballybarrack | Louth | |
| Newtown (Baker) | Earlstown | Kilkenny | |
| Newtown or Ballyfallon | Athboy | Meath | |
| Newtown or Ballynoe | Ardoyne | Carlow | |
| Newtownbalregan | Castletown | Louth | |
| Newtown Baltracey | Tipper | Kildare | |
| Newtownbarry | St. Mary's Newtownbarry | Wexford | |
| Newtownbarry T. | St. Mary's Newtownbarry | Wexford | |
| Newtown Bellew T. | Moylough | Galway | |
| Newtownbert | Kilberry | Kildare | |
| Newtown Big | Kilcowan | Wexford | |
| Newtown Blackrock | Monkstown | Dublin | Dublin Barony |
| Newtown Blackrock | Monkstown | Dublin | Rathdown Barony |
| Newtownblake | Kilthomas | Galway | |
| Newtownbond | Killoe | Longford | |
| Newtownboswell | Killiskey | Wicklow | |
| Newtownbracklagh | Duniry | Galway | |
| Newtownbreda T. | Knockbreda | Down | |
| Newtownburke | Inishkeel | Donegal | |
| Newtown Butler T. | Galloon | Fermanagh | |
| Newtown Butler T. | Oranmore | Galway | |
| Newtown Carradoan | Killygarvan | Donegal | |
| Newtowncarrigans | Dunamon | Roscommon | |
| Newtown Castlebyrn | Monkstown | Dublin | |
| Newtowncliffony | Ahamlish | Sligo | |
| Newtownclonbun | Newtownclonbun | Meath | |
| Newtown or Cloneen | Killyon | Meath | |
| Newtown Commons | Greenoge | Meath | |
| Newtown or Commons | St. Mary's | Wexford | Bantry Barony |
| Newtowncorduff | Lusk | Dublin | |
| Newtown Crommelin T. | Newtown Crommelin | Antrim | |
| Newtowncunningham | Allsaints | Donegal | |
| Newtown Cunningham T. | Allsaints | Donegal | |
| Newtown (Darcy) | Dunmore | Galway | |
| Newtown (Darcy) | Tuam | Galway | |
| Newtowndarver | Darver | Louth | |
| Newtown Dillon T. | Kilbeagh | Mayo | |
| Newtowndonore | Downings | Kildare | |
| Newtowndrangan | Drangan | Tipperary | |
| Newtowndrumgornan | Killymard | Donegal | |
| Newtown East | Moyarta | Clare | |
| Newtowneyre | Kiltormer | Galway | |
| Newtownfane | Louth | Louth | |
| Newtown Farragher | Cloonygormican | Roscommon | |
| Newtownflanigan | Cashel | Longford | |
| Newtown Forbes T. | Clongesh | Longford | |
| Newtownfore | Aughnish | Donegal | |
| Newtown Girley | Girley | Meath | |
| Newtown (Glynn) | Kilmacduagh | Galway | |
| Newtowngore | Carrigallen | Leitrim | |
| Newtown Gore T. | Carrigallen | Leitrim | |
| Newtown Great | Rathmore | Kildare | |
| Newtowngrove or Grovehall | Kilmacrenan | Donegal | |
| Newtown (Guest) | Modreeny | Tipperary | |
| Newtownhamilton | Killea | Donegal | |
| Newtown Hamilton T. | Newtownhamilton | Armagh | |
| Newtown (Hodgins) | Modreeny | Tipperary | |
| Newtownhortland | Scullogestown | Kildare | |
| Newtownkelly | Clontuskert | Galway | |
| Newtown Kilcashel | Moore | Roscommon | |
| Newtown Kilcolgan | Kilcolgan | Galway | |
| Newtown Knockaleva | Mosstown | Louth | |
| Newtownlaragh | Kilcock | Kildare | |
| Newtown Limavady alias Rathbrady Beg | Drumachose | Derry | |
| Newtown Limavady T. | Drumachose | Derry | |
| Newtown Little | Kilgobbin | Dublin | |
| Newtown Little | Rathfarnham | Dublin | |
| Newtown Little | Rathmore | Kildare | |
| Newtown Little | Kilcowan | Wexford | |
| Newtownlow | Newtown | Westmeath | |
| Newtown Lower | Saggart | Dublin | |
| Newtown Lower | Newtownlennan | Tipperary | |
| Newtown Lower | Inch | Wexford | |
| Newtown Lower | Tikillin | Wexford | |
| Newtownlynch | Kinvarradoorus | Galway | |
| Newtown (Lynott) | Dunmore | Galway | |
| Newtownmacabe | Taghadoe | Kildare | |
| Newtown Monasterboice | Monasterboice | Louth | |
| Newtownmoneenluggagh | Scullogestown | Kildare | |
| Newtownmountkennedy | Newcastle Upper | Wicklow | |
| Newtownmountkennedy T. | Newcastle Upper | Wicklow | |
| Newtownmoyaghy | Moyglare | Meath | |
| Newtownmoyaghy | Rodanstown | Meath | |
| Newtownmoynagh | Trim | Meath | |
| Newtown North | Shandrum | Cork | |
| Newtown North | Ballynakill | Galway | Leitrim Barony |
| Newtown North | Oola | Limerick | |
| Newtown North | Crossboyne | Mayo | |
| Newtown North | Donohill | Tipperary | |
| Newtownpark | Kill | Dublin | |
| Newtownpark | Rathmore | Kildare | |
| Newtown Park T. | Stillorgan | Dublin | |
| Newtownpilsworth | Dunmanoge | Kildare | |
| Newtownrathganley | Kilmore | Meath | |
| Newtown (Regan) | Kilmacduagh | Galway | |
| Newtown Sandes T. | Murher | Kerry | |
| Newtownsaunders | Baltinglass | Wicklow | |
| Newtown (Shea) | Earlstown | Kilkenny | |
| Newtown or Skirk | Skirk | Laois | |
| Newtown South | Shandrum | Cork | |
| Newtown South | Ballynakill | Galway | Leitrim Barony |
| Newtown South | Oola | Limerick | |
| Newtown South | Crossboyne | Mayo | |
| Newtown South | Donohill | Tipperary | |
| Newtown Springfield | Clondavaddog | Donegal | |
| Newtownstalaban | Beaulieu | Louth | |
| Newtownstalaban | Tullyallen | Louth | |
| Newtown Stewart | Ardstraw | Tyrone | |
| Newtown Stewart T. | Ardstraw | Tyrone | |
| Newtown T. | Shandrum | Cork | |
| Newtown T. | Seapatrick | Down | |
| Newtown T. | Lusmagh | Offaly | |
| Newtown Upper | Kilbroney | Down | |
| Newtown Upper | Saggart | Dublin | |
| Newtown Upper | Newtownlennan | Tipperary | |
| Newtown Upper | Inch | Wexford | Gorey Barony |
| Newtown Upper | Tikillin | Wexford | |
| Newtown Vevay T. | Bray | Wicklow | |
| Newtown West | Moyarta | Clare | |
| Newtownwhite | Ballysakeery | Mayo | |
| Newvillage | Rahoon | Galway | |
| Newvillage | Killian | Galway | |
| Newvillage | Kilcummin | Galway | |
| Niblock | Antrim | Antrim | |
| Nicharee | Duncormick | Wexford | |
| Nicholastown | Cloncurry | Kildare | |
| Nicholastown | Kilcullen | Kildare | |
| Nicholastown | Tankardstown | Kildare | |
| Nicholastown | Kilmenan | Kilkenny | |
| Nicholastown | Kilcolumb | Kilkenny | |
| Nicholastown | Pollrone | Kilkenny | |
| Nicholastown | Philipstown | Louth | |
| Nicholastown | Port | Louth | |
| Nicholastown | Derrygrath | Tipperary | |
| Nicholastown | Whitechurch | Waterford | |
| Nicholastown | Noughaval | Westmeath | |
| Nicholastown | Churchtown | Westmeath | |
| Nicker | Grean | Limerick | |
| Nickeres | Emly | Tipperary | |
| Nicker T. | Grean | Limerick | |
| Ninch | Julianstown | Meath | |
| Nineacres | Annaghdown | Galway | |
| Nineacres | Carn | Wexford | |
| Ninemilehouse | Templemichael | Tipperary | |
| Ninemilehouse T. | Grangemockler | Tipperary | also in Templemichael parish. |
| Ninemilehouse T. | Templemichael | Tipperary | also in Grangemockler parish. |
| Nineteenacres | Carn | Wexford | |
| Noan | Graystown | Tipperary | |
| Noard | Twomileborris | Tipperary | |
| Nobber | Nobber | Meath | |
| Nobber T. | Nobber | Meath | |
| Nodstown | Ardmayle | Tipperary | |
| Nodstown North | Ardmayle | Tipperary | |
| Nodstown South | Ardmayle | Tipperary | |
| Noggusboy | Gallen | Offaly | |
| Noggusduff | Gallen | Offaly | |
| Noghan | Drumlane | Cavan | |
| Nohaval | Nohaval | Cork | |
| Nohavaldaly | Nohavaldaly | Cork | |
| Nohaval Lower | Nohavaldaly | Cork | |
| Nohaval North | Nohaval | Kerry | |
| Nohaval South | Nohaval | Kerry | |
| Nohaval T. | Nohaval | Cork | |
| Nohaval Upper | Nohavaldaly | Cork | |
| Nolagh | Shercock | Cavan | |
| Nonsuch | Mayne | Westmeath | |
| Nooaff East | Drumcliff | Clare | |
| Nooaff West | Drumcliff | Clare | |
| Nooan | Killinaboy | Clare | |
| Nooan | Ruan | Clare | |
| Nook | Clones | Monaghan | |
| Nook | St. James & Dunbrody | Wexford | |
| Norbrinstown or Normanstown | Kells | Meath | |
| Normangrove | Killinny | Galway | |
| Normansgrove | Dunboyne | Meath | |
| Normanstown or Norbrinstown | Kells | Meath | |
| Norrira | Clonca | Donegal | |
| Norrisland | Lismore and Mocollop | Waterford | |
| Norrismount | Toome | Wexford | |
| Norristown | Kilmannan | Wexford | |
| Northampton | Kinvarradoorus | Galway | |
| Northbrook | Aughrim | Galway | |
| North Bull Islands | Raheny | Dublin | |
| North Bull or The Island | Clontarf | Dublin | |
| North East Division | Carrickfergus | Antrim | |
| Northgrove | Offerlane | Laois | |
| North Island | Moyrus | Galway | |
| North & South Lislea | Bodoney Upper | Tyrone | |
| Northyard | Bumlin | Roscommon | |
| Noughaval | Doora | Clare | |
| Noughaval | Noughaval | Clare | |
| Noughaval | Noughaval | Westmeath | |
| Novally | Ramoan | Antrim | |
| Nugentstown | Balrathboyne | Meath | |
| Nunsacre | Clonfert | Galway | |
| Nuns Island | Bunown | Westmeath | |
| Nunsland | Rathmore | Kildare | |
| Nun's Quarter | Inishargy | Down | |
| Nunstown | Aghadoe | Kerry | |
| Nurchossy Irish | Clogher | Tyrone | |
| Nurchossy Scotch | Clogher | Tyrone | |
| Nure | Killasnet | Leitrim | |
| Nure | Ardagh | Mayo | |
| Nure Beg | Killanny | Monaghan | |
| Nure Beg | Magheracloone | Monaghan | |
| Nure or Lilliput | Dysart | Westmeath | |
| Nure More | Killanny | Monaghan | |
| Nure More | Magheracloone | Monaghan | |
| Nurney | Agha | Carlow | |
| Nurney | Nurney | Carlow | |
| Nurney | Nurney | Kildare | Carbury Barony |
| Nurney | Nurney | Kildare | Offaly West Barony |
| Nurney Bog | Nurney | Kildare | Offaly West Barony |
| Nurney Demesne | Nurney | Kildare | Offaly West Barony |
| Nurney T. | Nurney | Carlow | |
| Nurney T. | Nurney | Kildare | Offaly West Barony |
| Nurserypark or Corrabaun | Monivea | Galway | |
| Nursetown Beg | Kilshannig | Cork | |
| Nursetown More | Kilshannig | Cork | |
| Nutfield | Drung | Cavan | |
| Nutfield | Templemaley | Clare | |
| Nutfield | Aghavea | Fermanagh | |
| Nutgrove | Rosenallis | Laois | |
| Nutgrove or Feebrack | Tynagh | Galway | |
| Nut Island | Lickmolassy | Galway | |
| Nut Island | Cashel | Longford | |
| Nutstown | Ballymadun | Dublin | |
| Nutgrove | Kilgullane | Cork | |
| Nuttstown | Kilbride | Meath | Dunboyne Barony |
| Nymphhall | Killea | Waterford | |
| Nymphsfield | Cong | Mayo | |
| Nyra | Rosenallis | Laois | |
| Oaghmonicroy | Bodoney Lower | Tyrone | |
| Oakfield | Kiltenanlea | Clare | |
| Oakfield | Cleenish | Fermanagh | |
| Oakfield | Cloonfinlough | Roscommon | |
| Oakfield Demesne | Raphoe | Donegal | |
| Oakfield or Derrydarragh | St. John's | Sligo | |
| Oakfield or Gortnandarragh | Killannin | Galway | |
| Oakhampton | Kilnarath | Tipperary | |
| Oaklands | Kildress | Tyrone | |
| Oaklands | St. Mary's | Wexford | Bantry Barony |
| Oakleypark | Kildrought | Kildare | |
| Oakleypark | Seirkieran | Offaly | |
| Oakleypark or Lawrencetown | Dulane | Meath | |
| Oakpark or Painestown | Painestown | Carlow | |
| Oakport Demesne | Ardcarn | Roscommon | |
| Oakstown | Trim | Meath | |
| Oaktate | Louth | Louth | |
| Oakwood | Hollywood | Wicklow | |
| Oakwood or Drummully | Castleterra | Cavan | |
| Oakwood North | Abbeyknockmoy | Galway | |
| Oakwood South | Abbeyknockmoy | Galway | |
| Oatencake | Mogeesha | Cork | |
| Oatfield | Clonlea | Clare | |
| Oatfield | Aughrim | Galway | |
| Oatlands | Cahervally | Limerick | |
| Oberstown | Lusk | Dublin | |
| Oberstown | Shanlis | Louth | |
| Obertstown | Skreen | Meath | |
| O'Briensbridge | O'Briensbridge | Clare | |
| O'Briensbridge T. | O'Briensbridge | Clare | |
| Obrienscastle | Inchicronan | Clare | |
| O'Callaghansmills T. | Killuran | Clare | |
| Ockanaroe | Clonenagh & Clonagheen | Laois | |
| Odagh | Odagh | Kilkenny | |
| Oddacres | Rahoon | Galway | |
| Odder | Tara | Meath | |
| O'Donnell's Island | Donegal | Donegal | |
| O'Donnell's Island or Illaunbeg | Killadysert | Clare | |
| Oggal | Killinagh | Cavan | |
| Ogham | Kilturra | Sligo | |
| Ogham | Tawnagh | Sligo | |
| Oghambaun | Achonry | Sligo | |
| Ogherbeg | Killymard | Donegal | |
| Oghermong | Caher | Kerry | |
| Oghery | Moycullen | Galway | |
| Oghil | Monasterevin | Kildare | |
| Oghil | Killoe | Longford | |
| Oghil | Kilglass | Sligo | |
| Oghil Beg | Clonfert | Galway | |
| Oghill | Ballintemple | Cavan | |
| Oghill | Tullyfern | Donegal | |
| Oghill | Drumkeeran | Fermanagh | |
| Oghill | Trory | Fermanagh | |
| Oghill | Aghalurcher | Fermanagh | |
| Oghill | Inishmore | Galway | |
| Oghill | Mohill | Leitrim | |
| Oghill | Tamlaght Finlagan | Derry | |
| Oghill | Cumber Lower | Derry | |
| Oghill | Clontibret | Monaghan | |
| Oghill | Donaghmoyne | Monaghan | |
| Oghill | Ballyclog | Tyrone | |
| Oghillees | Burrishoole | Mayo | |
| Oghillicartan | Drumkeeran | Fermanagh | |
| Oghil Lower | Redcross | Wicklow | |
| Oghilly | Ballynakill | Galway | Leitrim Barony |
| Oghil More | Clonfert | Galway | |
| Oghil Upper | Redcross | Wicklow | |
| Oghly Island | Moyrus | Galway | |
| O'Grady's Island or Inishoul | Killadysert | Clare | |
| Ogulla | Ogulla | Roscommon | |
| Oilgate or Mullinnagore | Edermine | Wexford | |
| Oilgate T. | Edermine | Wexford | |
| Okyle | Lismore and Mocollop | Waterford | |
| Oldabbey | Inishkenny | Cork | |
| Oldabbey | Robertstown | Limerick | |
| Old Barr | Devenish | Fermanagh | |
| Oldbawn | Tallaght | Dublin | |
| Oldboley | Taghmon | Wexford | |
| Oldboleys | Powerscourt | Wicklow | |
| Oldborris | Offerlane | Laois | |
| Oldbridge | Donore | Meath | |
| Oldbridge | St. Mary's Clonmel | Waterford | |
| Oldcamp | Kyle | Laois | |
| Oldcarton | Laraghbryan | Kildare | |
| Oldcastle | Magourney | Cork | |
| Oldcastle | Kilconierin | Galway | |
| Oldcastle | Meelick | Mayo | |
| Oldcastle | Oldcastle | Meath | |
| Oldcastle | Bourney | Tipperary | |
| Oldcastle | Toem | Tipperary | |
| Oldcastle | Newtownlennan | Tipperary | |
| Oldcastle Lower | Killamery | Kilkenny | |
| Oldcastletown | Kildorrery | Cork | |
| Oldcastle T. | Oldcastle | Meath | |
| Oldcastle Upper | Killamery | Kilkenny | |
| Old Church | Tickmacrevan | Antrim | |
| Old Church Glebe | Kilcar | Donegal | |
| Old Church Yard | Termonmaguirk | Tyrone | |
| Oldconnaught | Oldconnaught | Dublin | |
| Oldconnell | Oldconnell | Kildare | |
| Oldcourt | Clonmel | Cork | |
| Oldcourt | Templebodan | Cork | |
| Oldcourt | Carrigaline | Cork | |
| Oldcourt | Doneraile | Cork | |
| Oldcourt | Ringrone | Cork | |
| Oldcourt | Creagh | Cork | |
| Oldcourt | Tallaght | Dublin | |
| Oldcourt | Kilmore | Kildare | |
| Oldcourt | Kilberry | Kildare | |
| Oldcourt | Clonamery | Kilkenny | |
| Oldcourt | Fiddown | Kilkenny | |
| Oldcourt | Croagh | Limerick | |
| Oldcourt | Killabban | Laois | |
| Oldcourt | Finnoe | Tipperary | |
| Oldcourt | Adamstown | Wexford | |
| Oldcourt | Whitechurch | Wexford | |
| Oldcourt | Blessington | Wicklow | |
| Oldcourt | Bray | Wicklow | |
| Oldcourt | Rathsallagh | Wicklow | |
| Oldcourt East | Templenacarriga | Cork | |
| Oldcourt West | Templenacarriga | Cork | |
| Oldcroghan | Croghan | Offaly | |
| Oldderrig | Killeshin | Laois | |
| Oldforge | Drumbeg | Antrim | |
| Oldforge | Killarney | Kerry | |
| Old-fort | Ringrone | Cork | |
| Old Freehold | Kilwaughter | Antrim | |
| Oldglass | Aghaboe | Laois | |
| Oldglass | Bordwell | Laois | |
| Old Glebe or Cartron | Kilgefin | Roscommon | |
| Oldgraigue | Moyglare | Meath | |
| Oldgrange | Fontstown | Kildare | |
| Oldgrange | Narraghmore | Kildare | |
| Oldgrange | Monasterevin | Kildare | |
| Oldgrange | Graiguenamanagh | Kilkenny | |
| Oldgrange | Easky | Sligo | |
| Oldgrange | Tullaghmelan | Tipperary | |
| Oldgrange | Mothel | Waterford | |
| Oldhall | Mulrankin | Wexford | |
| Oldhead | Kilgeever | Mayo | |
| Oldhead or Downmacpatrick | Ringrone | Cork | |
| Oldkilcullen | Kilcullen | Kildare | |
| Oldleagh | Killabban | Laois | |
| Oldleighlin | Oldleighlin | Carlow | |
| Oldleighlin T. | Oldleighlin | Carlow | |
| Oldmill | Dysartenos | Laois | |
| Oldmill | Kilrane | Wexford | |
| Old Mills T. | Carncastle | Antrim | |
| Oldmilltown | Kilteel | Kildare | |
| Oldorchard | Rathfarnham | Dublin | |
| Oldpaddocks | Blessington | Wicklow | |
| Old Park | Shankill | Antrim | |
| Oldpark | St. Canice | Kilkenny | |
| Oldrock or Shancarrigeen | Cloonoghil | Sligo | |
| Oldstone | Muckamore (Grange of) | Antrim | |
| Oldstreet | Kilquain | Galway | |
| Oldtown | Ballyrashane | Antrim | |
| Oldtown | Ballyellin | Carlow | |
| Oldtown | Nurney | Carlow | |
| Oldtown | Clonmore | Carlow | |
| Oldtown | Kineagh | Carlow | |
| Oldtown | Leck | Donegal | |
| Oldtown | Clonmethan | Dublin | |
| Oldtown | Artaine | Dublin | |
| Oldtown | Coolock | Dublin | |
| Oldtown | Swords | Dublin | |
| Oldtown | Greatconnell | Kildare | |
| Oldtown | Naas | Kildare | |
| Oldtown | Killashee | Kildare | |
| Oldtown | Kildrought | Kildare | |
| Oldtown | Kilteel | Kildare | |
| Oldtown | Tullaroan | Kilkenny | |
| Oldtown | Grangemaccomb | Kilkenny | |
| Oldtown | Jerpointchurch | Kilkenny | |
| Oldtown | Burnchurch | Kilkenny | |
| Oldtown | Rahan | Offaly | |
| Oldtown | Killaderry | Offaly | |
| Oldtown | Ardagh | Longford | |
| Oldtown | Martry | Meath | |
| Oldtown | Kilcarn | Meath | |
| Oldtown | Gallow | Meath | |
| Oldtown | Rathcore | Meath | |
| Oldtown | Rathsaran | Laois | |
| Oldtown | Aghmacart | Laois | |
| Oldtown | Clonenagh and Clonagheen | Laois | |
| Oldtown | Kilmacumsy | Roscommon | |
| Oldtown | Templemore | Tipperary | |
| Oldtown | Castlelost | Westmeath | |
| Oldtown | Donaghmore | Wexford | |
| Oldtown | Tomhaggard | Wexford | |
| Oldtown | Ardcolm | Wexford | |
| Oldtown | Ballynure | Wicklow | |
| Oldtown (Bennett) | Hospital | Limerick | |
| Oldtown or Cornagleragh | Annagelliff | Cavan | |
| Oldtown Curralane | Kilrush | Wexford | |
| Old Town Deer Park | Ballyscullion | Derry | |
| Oldtown Demesne | Naas | Kildare | |
| Oldtowndonore | Downings | Kildare | |
| Old Town Downing | Ballyscullion | Derry | |
| Oldtownhill | Tullaroan | Kilkenny | |
| Oldtown Kilcashel | Moore | Roscommon | |
| Oldtown or Puddingstreet | Drumraney | Westmeath | |
| Oldtown (Ryan) | Hospital | Limerick | |
| Oldtown T. | Clonmethan | Dublin | |
| Oldtully | Oldcastle | Meath | |
| Old Warren | Blaris | Antrim | |
| Ollatrim | Aghnameadle | Tipperary | |
| Oltore | Donaghpatrick | Galway | |
| Omagh | Drumragh | Tyrone | |
| Omagh T. | Drumragh | Tyrone | |
| Omard | Ballymachugh | Cavan | |
| Omaun Beg | Killererin | Galway | |
| Omaun More | Killererin | Galway | |
| O'Meara's Acres | Kilbarron | Tipperary | |
| Omey Island, Cartoorbeg | Omey | Galway | |
| Omey Island, Cloon | Omey | Galway | |
| Omey Island, Gooreenatinny | Omey | Galway | |
| Omey Island, Sturrakeen | Omey | Galway | |
| Omey Island, Gooreen | Omey | Galway | |
| Omoresforest | Clonenagh and Clonagheen | Laois | |
| Onagh | Taghmaconnell | Roscommon | |
| Onagh | Powerscourt | Wicklow | |
| Onaght | Inishmore | Galway | |
| Ongenstown | Ardbraccan | Meath | |
| Ongenstown | Duleek | Meath | |
| Onomy | Muckno | Monaghan | |
| Ooankeagh | Ruan | Clare | |
| Oolagh East | Knockane | Kerry | |
| Oolagh West | Knockane | Kerry | |
| Oolahills East | Oola | Limerick | |
| Oolahills West | Oola | Limerick | |
| Oola T. | Oola | Limerick | |
| Oorid | Kilcummin | Galway | |
| Oorla | Robertstown | Limerick | |
| Oort | Culdaff | Donegal | |
| Oory | Tagheen | Mayo | |
| Ora Beg | Cleenish | Fermanagh | |
| Oram | Muckno | Monaghan | |
| Oran | Oran | Roscommon | |
| Oran Beg | Oranmore | Galway | |
| Oranhill | Oranmore | Galway | |
| Oranhill | Rahoon | Galway | |
| Oran More | Oranmore | Galway | |
| Oranmore T. | Oranmore | Galway | |
| Oranstown | Dunboyne | Meath | |
| Orchard | Nurney | Carlow | |
| Orchard | Moyacomb | Carlow | |
| Orchard Island | Ardcarn | Roscommon | |
| Orchard Lower | Fossy or Timahoe | Laois | |
| Orchardstown | Kilmacleague | Waterford | |
| Orchardstown | Kilburne | Waterford | |
| Orchardstown East | Newchapel | Tipperary | |
| Orchardstown West | Newchapel | Tipperary | |
| Orchard Upper | Fossy or Timahoe | Laois | |
| Ordnance Ground | Kilcummin | Galway | |
| O'Reilly's Island | Kilronan | Roscommon | |
| Ories | Kilcleagh | Westmeath | |
| Orinish Island | Inishkeel | Donegal | |
| Oristown | Clongill | Meath | |
| Oristown | Teltown | Meath | |
| Oristown T. | Teltown | Meath | |
| Oritor | Kildress | Tyrone | |
| Orkneys | Bourney | Tipperary | |
| Orlagh | Cruagh | Dublin | |
| Orlock | Bangor | Down | |
| Ormond's Island | Tuosist | Kerry | |
| Oro More or Tullybrack | Cleenish | Fermanagh | |
| Orristown | Kilmacree | Wexford | |
| Orthon's Island | Kilcaskan | Cork | |
| Osberstown | Naas | Kildare | |
| O'Shea's Acres | Kilseily | Clare | |
| Osierbrook | Seirkieran | Offaly | |
| Ossoryhill | Kilderry | Kilkenny | |
| Otter Island | Annaduff | Leitrim | |
| Otters Island | Lickmolassy | Galway | |
| Otterstown | Athboy | Meath | |
| Oughaval | Stradbally | Laois | |
| Oughaval | Kilmacteige | Sligo | |
| Oughtagh | Ballynakill | Galway | Ballymoe Barony |
| Oughtagh | Kilbegnet | Galway | |
| Oughtagh | Cumber Lower | Derry | |
| Oughtagh | Templemore | Mayo | |
| Oughtagorey | Rossinver | Sligo | |
| Oughtboy | Bodoney Upper | Tyrone | |
| Oughtcarn | Templecarn | Donegal | |
| Oughtdarra | Killilagh | Clare | |
| Oughtdoorish | Bodoney Upper | Tyrone | |
| Oughter | Lemanaghan | Offaly | |
| Oughteragh | Oughteragh | Leitrim | |
| Oughterard | Kilballyowen | Clare | |
| Oughterard | Oughterard | Kildare | |
| Oughterard | Desertcreat | Tyrone | |
| Oughterard | Dromore | Tyrone | |
| Oughterard or Caurans Upper | Turlough | Mayo | |
| Oughterard T. | Kilcummin | Galway | |
| Oughterdrum | Belleek | Fermanagh | |
| Oughterlin | Killygarvan | Donegal | |
| Oughtihery | Aghabulloge | Cork | |
| Oughtiv | Dromod | Kerry | |
| Oughtmama | Oughtmama | Clare | |
| Oughtmame | Bodoney Upper | Tyrone | |
| Oughtmeen | Templecrone | Donegal | |
| Oughtminnee | Kilmoe | Cork | |
| Oughtnadrin | Drumhome | Donegal | |
| Oughtnadrin Barr, Tullygallen, and Tullywee | Drumhome | Donegal | |
| Oughtnamwella | Bodoney Upper | Tyrone | |
| Oughtohig | Kilcoe | Cork | |
| Oughty | Oughaval | Mayo | |
| Oughtymore | Magilligan | Derry | |
| Oughtymoyle | Magilligan | Derry | |
| Oulart | Meelnagh | Wexford | |
| Oulart | Kilnenor | Wexford | |
| Oulartard | Clone | Wexford | |
| Oulartleigh | Ballyhuskard | Wexford | |
| Oulart T. | Meelnagh | Wexford | |
| Oulartwick Beg | Kilcormick | Wexford | |
| Oulartwick More | Kilcormick | Wexford | |
| Ouley | Castleterra | Cavan | |
| Ouley | Saintfield | Down | |
| Ouley | Newry | Down | |
| Oultauns | Kilcommon | Mayo | Kilmaine Barony |
| Oultort | Lickmolassy | Galway | |
| Ouna or Eagle Hill | Layd | Antrim | |
| Ounagh | Kilmacteige | Sligo | |
| Ouragh | Tullowphelim | Carlow | |
| Ouris | Dunkerrin | Offaly | |
| Outal | Grange of Dundermot | Antrim | |
| Outeragh | Outeragh | Tipperary | |
| Outhill | Ballyrashane | Antrim | |
| Outlack | Lisnadill | Armagh | |
| Outlands | Swords | Dublin | |
| Outlands of Grevally | Donaghenry | Tyrone | |
| Outleckan | Ballymyre | Armagh | |
| Outrath | Outrath | Kilkenny | |
| Ouvry | Magheross | Monaghan | |
| Ovaun | Shankill | Roscommon | |
| Ovenstown | Earlstown | Kilkenny | |
| Ovidstown | Cloncurry | Kildare | |
| Ovidstown | Straffan | Kildare | |
| Ovidstown | Taghadoe | Kildare | |
| Ovil | Dungiven | Derry | |
| Owenanirragh | Kilcommon | Mayo | Erris Barony |
| Owenavaddy or Riverstick | Killaan | Galway | |
| Owenbeg | Dungiven | Derry | |
| Owenbeg | Easky | Sligo | |
| Owenboy | Killymard | Donegal | |
| Owenboy | Fahan Lower | Donegal | |
| Owenboy | Crossmolina | Mayo | |
| Owenbreedin | Aghavea | Fermanagh | |
| Owenbristy | Ardrahan | Galway | |
| Owencam | Templeport | Cavan | |
| Owencloghy | Tickmacrevan | Antrim | |
| Owenduff | Achill | Mayo | |
| Owenduff | Kilcommon | Mayo | Erris Barony |
| Owengallees | Templeport | Cavan | |
| Owenglass | Kilcommon | Mayo | Erris Barony |
| Owenkillew and Barnahone | Fahan Lower | Donegal | |
| Owennagadragh | Donaghmore | Donegal | |
| Owenreagh | Ballynascreen | Derry | |
| Owenreagh | Leckpatrick | Tyrone | |
| Owen's & Bigg's-Lot | St. John Baptist | Tipperary | |
| Owen's Island | Kilcrohane | Cork | |
| Owenskerry | Aghalurcher | Fermanagh | |
| Owensland | Kilbride | Antrim | |
| Owenstown | Moyglare | Meath | |
| Owenstown | Rathmacknee | Wexford | |
| Owenstown or Trimleston | Taney | Dublin | |
| Owenteskiny | Inishkeel | Donegal | |
| Owenwee | Oughaval | Mayo | |
| Owenykeevan or Tawnamaddoo | Easky | Sligo | |
| Ower | Killursa | Galway | |
| Ower | Killannin | Galway | |
| Owey Island | Templecrone | Donegal | |
| Owlbeg | Clonygoose | Carlow | |
| Owl Island | Inishmacsaint | Fermanagh | |
| Ownagarry | Killorglin | Kerry | |
| Owning | Owning | Kilkenny | |
| Oxford | Killedan | Mayo | |
| Oxgrove | Killimorbologue | Galway | |
| Ox Island | Inishbofin | Mayo | |
| Oxpark | Modreeny | Tipperary | |
| Oxtown | Termonmaguirk | Tyrone | |
| Oysterhaven | Kilmonoge | Cork | |
| Oyster Island | Killaspugbrone | Sligo | |
