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| Name. |
County. |
Meaning. |
| oooooooooooooooooooo | ooooooooooooooo | |
| Easky | Co Sligo | From the river:- lascach [Eeska], fishy (from iasg, a fish). |
| Eden | Eudan [edan], the brow; a hill brow. | |
| Edenderry | The hill brow of the oak wood. | |
| Edenmore | Great hill brow. | |
| Edergole | Edergoole; see Addergoole. | |
| Eglish | A church; same as Aglish. | |
| Eighter | Iochtar [eeter], lower. | |
| Eliogarty | Co Tipperary | A shortened form of Ely O'Fogarty (shortened by having the `f' aspirated and omitted: see page 2), |
| O'Fogarty's Ely | So called from its ancient possessors the O'Fogartys. See Ely. | |
| Elphin | Co Roscommon | St. Patrick founded a church here near a spring, over which stood a large stone; and hence the place was called Aill-finn, which Col-gan interprets the rock (aill) of the clear spring (finn white, clear) |
| Ely | The different tribes called Eile or Ely were so named from their ancestor Eile, the seventh in descent from Cian, son of Olioll Olum (see Connello). | |
| Emlagh | Imleach [Imlagh], land bordering on a lake; and hence a marshy or swampy place. | |
| Emly | Co Tipperary | St. Ailbhe founded his establishment here in the fifth century, on the margin of a lake, which has been only lately drained. The place is called in the Irish authorities Imleach-iobhair [yure], the lake-marsh of the yew tree. |
| Emlygrennan | Co Limerick | A corruption of the Irish name Bile-Ghroidhnin [Billa-Gryneen], Grynan's ancient tree. |
| Enagh | The name of twenty townlands. Sometimes Aenach, a fair; sometimes Eanach, a marsh. | |
| Ennereilly | Co Wicklow | Inbher-Daeile [Invereela], F. M., the inver or mouth of the river formerly called the Deel, now the Pennycomequick. |
| Ennis | Inis, an island; a meadow along a river. | |
| Enniskeen | Inis-caein [keen], F. M., beautiful island or river meadow. | |
| Enniskerry | Ath-na-scairbhe [Annascarvy], the ford of the scarriff or rough river-crossing; from an ancient stony ford where the old road crosses the river. | |
| Enniskillen | Co Fermanagh | Inis-Cethlenn [Kehlen], F. M., the island of Kethlenn, wife of Balor, the Fomorian king of Tory Island. |
| Ennistimon | Inis-Diomain, F. M., Diaman's river meadow. | |
| Errigal | Co Donegal | Aireagal, a habitation, a small church. |
| Errigal Keeroge | Co Tyrone | Aireagal Dachiarog [Da-keeroge], F. M., the church of St. Dachiarog. |
| Errigal Trough | Co Monaghan | The church of (the barony of) Trough. |
| Esker | Eiscir, a sandhill. | |
| Eskeragh | Eskragh; a place full of eskers. | |
| Ess | Essan, Essaun; a waterfall. | |
| Estersnow | Co Roscommon | A strange corruption from the Irish Disert-Nuadhan (Nooan), F. M., the hermitage of St. Nuadha (Nooa). Disert is often corrupted to ister, ester, tirs, |
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