Every figure on this page is counted from the townlands.ie list of 61,095 townlands. Names are compared exactly as spelt, and the counts are only as good as the source.
| # | County | Townlands | Names found only there | Share |
|---|---|---|---|---|
| 1 | Cork | 5,472 | 3,640 | 66.5% |
| 2 | Galway | 4,474 | 2,631 | 58.8% |
| 3 | Mayo | 3,422 | 2,025 | 59.2% |
| 4 | Tipperary | 3,144 | 1,868 | 59.4% |
| 5 | Kerry | 2,722 | 1,808 | 66.4% |
| 6 | Donegal | 2,712 | 1,776 | 65.5% |
| 7 | Fermanagh | 2,305 | 1,501 | 65.1% |
| 8 | Wexford | 2,305 | 1,461 | 63.4% |
| 9 | Clare | 2,265 | 1,479 | 65.3% |
| 10 | Tyrone | 2,152 | 1,415 | 65.8% |
| 11 | Roscommon | 2,082 | 1,209 | 58.1% |
| 12 | Cavan | 1,985 | 1,204 | 60.7% |
| 13 | Limerick | 1,982 | 1,206 | 60.8% |
| 14 | Monaghan | 1,849 | 1,171 | 63.3% |
| 15 | Antrim | 1,731 | 1,172 | 67.7% |
| 16 | Waterford | 1,629 | 1,061 | 65.1% |
| 17 | Meath | 1,596 | 921 | 57.7% |
| 18 | Kilkenny | 1,574 | 1,005 | 63.9% |
| 19 | Leitrim | 1,489 | 942 | 63.3% |
| 20 | Wicklow | 1,354 | 908 | 67.1% |
| 21 | Westmeath | 1,349 | 790 | 58.6% |
| 22 | Sligo | 1,289 | 777 | 60.3% |
| 23 | Down | 1,285 | 811 | 63.1% |
| 24 | Derry / Londonderry | 1,255 | 816 | 65.0% |
| 25 | Kildare | 1,210 | 751 | 62.1% |
| 26 | Offaly | 1,159 | 623 | 53.8% |
| 27 | Laois | 1,111 | 665 | 59.9% |
| 28 | Dublin | 1,057 | 685 | 64.8% |
| 29 | Armagh | 959 | 602 | 62.8% |
| 30 | Longford | 911 | 501 | 55.0% |
| 31 | Louth | 665 | 403 | 60.6% |
| 32 | Carlow | 601 | 325 | 54.1% |
“Names found only there” counts townlands whose exact name occurs nowhere else on the island. Antrim has the highest share (67.7%), Offaly the lowest (53.8%).
Counted in letters only, leaving out spaces and hyphens. Names with “or” or brackets are left out, since they hold two names. Many of the longest join two or more names with “and”. The record is Tullygallan Tullywee and Oghtnadrin Barr, in Donegal, with 36 letters.
| Name | Letters | Civil parish | County |
|---|---|---|---|
| Tullygallan Tullywee and Oghtnadrin Barr | 36 | Drumhome | Donegal |
| Ballymagan Upper and Lower and Clonblosk | 35 | Fahan Lower | Donegal |
| Plughoge and Leabrannagh Mountain North | 35 | Templecrone | Donegal |
| Plughoge and Leabrannagh Mountain South | 35 | Templecrone | Donegal |
| Carrickynaghtan and Garrynagawna Bog | 33 | Drum | Roscommon |
| Coolavoran, Coolagh and Derrymullen | 31 | Castlebrack | Laois |
| Caherrevagh and Cloonnameeltoge | 29 | Kilmainemore | Mayo |
| Manorcunningham Churchland Isle | 29 | Raymoghy | Donegal |
| Ballydawley alias Crosspatrick | 28 | Artrea | Derry / Londonderry |
| Bauville Keeloges and Clonglash | 28 | Fahan Lower | Donegal |
| Knockauneevin and Ballywatteen | 28 | Tynagh | Galway |
| Ballincrick and Ballynabrocky | 27 | Clondavaddog | Donegal |
| Beefan and Garveross Mountain | 26 | Glencolumbkille | Donegal |
| Curraghavarna and Portavolla | 26 | Reynagh | Offaly |
| Dean and Chapter Land of Cloyne | 26 | Clonmel | Cork |
| Grange of Inispollan Mountain | 26 | Grange of Inispollan | Antrim |
| Knockcurraghbola Crownlands | 26 | Upperchurch | Tipperary |
| Knocknabranagh and Knockbaun | 26 | Oldleighlin | Carlow |
| Mount Joy Forest East Division | 26 | Cappagh (Upper Strabane portion) | Tyrone |
| Mountjoy Forest West Division | 26 | Cappagh (Upper Strabane portion) | Tyrone |
| Name | Letters | Civil parish | County |
|---|---|---|---|
| Glassillaunvealnacurra | 22 | Ballindoon | Galway |
| Illaungraffanavrankagh | 22 | Gleninagh | Clare |
| Muckanaghederdauhaulia | 22 | Kilcummin | Galway |
| Ballywinterrourkewood | 21 | Rathkeale | Limerick |
| Cartroncarrowntogher | 20 | Kilmacumsy | Roscommon |
| Coumaraghlinmountain | 20 | Kilgobnet | Waterford |
| Newtownmoneenluggagh | 20 | Scullogestown | Kildare |
| Scartnadrinymountain | 20 | Kilgobnet | Waterford |
| Ballysaggartbeghill | 19 | Lismore and Mocollop | Waterford |
| Bleantasourmountain | 19 | Seskinan | Waterford |
| Carrowkeelanahglass | 19 | Dunmore | Galway |
| Coolnasmearmountain | 19 | Kilgobnet | Waterford |
| Derreengarrinshaugh | 19 | Tuosist | Kerry |
| Glennaneanemountain | 19 | Seskinan | Waterford |
| Kilnafrehanmountain | 19 | Kilgobnet | Waterford |
No townland name in the data is shorter than 3 letters.
Bay (Antrim) · Bay (Antrim) · Vow (Antrim) · Bun (Cavan) · Cor (Cavan) · Gub (Cavan) · Ned (Cavan) · Ray (Cavan) · Roo (Cavan) · See (Cavan) · Ing (Clare) · Moe (Clare) · Moy (Clare) · Lag (Cork) · Rea (Cork) · Bin (Donegal) · Cor (Donegal) · Haw (Donegal) · Haw (Donegal) · Lag (Donegal) · Moy (Donegal) · Ray (Donegal) · Ray (Donegal) · Ray (Donegal) · Tor (Donegal) · Bay (Dublin) · Wad (Dublin) · Bun (Fermanagh) · Cam (Fermanagh) · Coa (Fermanagh) · Lea (Fermanagh) · Ned (Fermanagh) · Raw (Fermanagh) · Raw (Fermanagh) · Ard (Galway) · Cur (Galway) · Lee (Galway) · Maw (Galway) · Moy (Galway) · Roo (Galway) · Roo (Galway) · Roy (Galway) · Esk (Kerry) · Rea (Kerry) · Rea (Kerry) · Foy (Kildare) · Usk (Kildare) · Com (Kilkenny) · Iry (Laois) · Lea (Laois) · Rue (Leitrim) · Cah (Derry / Londonderry) · Cam (Derry / Londonderry) · Caw (Derry / Londonderry) · Ned (Derry / Londonderry) · Ree (Derry / Londonderry) · Cam (Longford) · Alt (Mayo) · Ara (Mayo) · Cum (Mayo) · Leo (Mayo) · Roy (Mayo) · Daw (Meath) · Moy (Meath) · Emy (Monaghan) · Moy (Monaghan) · Moy (Monaghan) · Raw (Monaghan) · Roo (Monaghan) · Sra (Monaghan) · Ard (Offaly) · Bun (Offaly) · Lug (Offaly) · Rin (Offaly) · Arm (Roscommon) · Cam (Roscommon) · Kye (Roscommon) · Roo (Roscommon) · Spa (Roscommon) · Rue (Sligo) · Tap (Sligo) · Loy (Tyrone) · Moy (Tyrone) · Raw (Tyrone) · Roy (Tyrone) · Bog (Waterford) · Spa (Waterford) · Ben (Westmeath) · Ask (Wexford)
Areas in acres, as townlands.ie measures them from the mapped boundaries (61,092 townlands have one).
| Largest | Acres | County |
|---|---|---|
| Finnaun · Cill Aithnín | 7,523.8 | Galway |
| Sheskin · Kilcommon | 7,007.6 | Mayo |
| Mourne Mountains East · Kilkeel | 6,811.7 | Down |
| West Division · Carrickfergus | 6,777.5 | Antrim |
| Ballinastoe · Calary | 6,595.7 | Wicklow |
| Cloghoge · Derrylossary | 6,580.6 | Wicklow |
| Tawnawully Mountains · Donegal | 6,015.2 | Donegal |
| Powerscourt Mountain · Powerscourt | 5,989 | Wicklow |
| Carrowmore or Glentogher · Donagh | 5,799.5 | Donegal |
| Tarsaghaun More · Kilcommon | 5,470.9 | Mayo |
| Smallest | Acres | County |
|---|---|---|
| Doonanpatrick Island · Killaspugbrone | 0.1 | Sligo |
| Canal and Banks · St Peter's (part) | 0.1 | Roscommon |
| Taash Island · Burrishoole | 0.1 | Mayo |
| Lady's Island · Ballintober | 0.1 | Mayo |
| Illaungeessaun · Killala | 0.1 | Mayo |
| Illanrory · Kilcommon | 0.1 | Mayo |
| Illanbelfarsad · Achill | 0.1 | Mayo |
| Bird Island · Ballintober | 0.1 | Mayo |
| Bush Island · Cashel | 0.1 | Longford |
| Mannion's Island (Small) · Durrus | 0.1 | Cork |
An even spread through the alphabet of the 38,152 names that occur once on the island, exactly as spelt. A near-identical spelling may exist elsewhere.
Abartagh (Waterford) · Annamakiff (Monaghan) · Ballaghmore Upper (Laois) · Ballyconnery Upper (Waterford) · Ballylanigan (Limerick) · Ballynona North (Cork) · Barryshall (Cork) · Bonagrew Little (Wicklow) · Caherduggan North (Cork) · Carrickgooan (Leitrim) · Castlenagree (Antrim) · Clonegah (Carlow) · Cloonygarra (Limerick) · Coolyhune (Carlow) · Courtown (Wexford) · Culoort (Donegal) · Derryconnell (Cork) · Dresnagh (Donegal) · Drumkeelwick (Leitrim) · Edymore (Tyrone) · Foohagh (Clare) · Glashbeggan (Donegal) · Gortigal (Tyrone) · Headborough (Waterford) · Keeran More (Fermanagh) · Killeshin (Laois) · Kiltimon (Wicklow) · Knockmanoul (Fermanagh) · Learmore (Tyrone) · Lisnagaul (Tipperary) · Lurgyvallen (Armagh) · Moanfin (Tipperary) · Moytirra East (Sligo) · Oolahills West (Limerick) · Raheenroche (Kilkenny) · Ringolish (Down) · Shanacrane West (Cork) · St. Margaret's (Wexford) · Timullin (Wicklow) · Tullaghlummanmore (Galway)
Cork, with 5,472. Carlow has the fewest, 601.
In the townlands.ie data, Finnaun in County Galway, at 7,524 acres. Areas are measured from the mapped boundaries, so they can differ a little from official figures.
No townland name in the data has fewer than 3 letters. 89 names have exactly 3.
38,152 names, spelt exactly as in the data, occur only once on the island. That is 86.5% of the 44,123 distinct names.
Data: townlands.ie ↗ (Townlands.ie (townlands-no-geom.csv, data derived from OpenStreetMap); the download is dated April 2022, taken for this site 2026-09). Data © OpenStreetMap contributors ↗, available under the Open Database Licence (ODbL). Counts made by myireland.ie from that data. See also the most common townland names and the townland search.