D.
_Daley._ _Dall_, blind; _eać_, individual. Blind person.
_Dall._ _Dâll_, blind, sightless.
_Dana._ _Dana_, strong, powerful, mighty; bold, daring.
_Darr._ _Daor_, pronounced _deer_, dear, condemned.
_Darra._ _Daor_, dear; _a_, contraction of _neać_, an individual. A person of wealth.
_Darragh._ Same derivation as Darra. In certain parts of Ireland, _ać_ is pronounced _agh_, or _ach_. Darrach is an apt illustration of the latter sound.
_Dearr._ _Daor_, dear. Perhaps in Darr, Darrach, etc., the _e_, in the course of time, has been dropped for the sake of brevity, or to satisfy the whims of the possessors of those names.
_Deaver._ Originally _Duib́ir_, from _dub́_, black; _ir_, man. A dark-complexioned man.
_Deegan._ _De_, of God; _gan_, an offspring. Son of God. Degan has the same signification.
_Deor._ _Daor_, dear.
_Dermod._ Originally _Diarmoid_, from _Dia_, God; _armoid_, of arms. God of arms.
_Dermott._ See Dermod for derivation. So intimately related are the dentals _t_ and _d_, that it is not at all unreasonable that they should be interchangeable.
_Derr._ _Dair_, an oak.
_Devlin._ _Dub́_, black; _linn_, a marsh, a swamp.
_Dill._ _Dill_, fond, affectionate.
_Dinnan._ _Dion_, protection; _an_, implying a person. A protegé.
_Donahugh._ _Dona_, unhappy, bad, evil; _Hugh_, the Dutch for spirit. An evil spirit; an unhappy disposition.
_Donegan._ _Dona_, unhappy; _gan_, offspring. An unhappy child.
_Donnell._ _Doḿnać_, Sunday, _aille_, of beauty. The Sunday of beauty. Perhaps, Irish for Daniel.
_Dooner._ _Dun_, a fort, a stronghold; _er_ for _fear_, a man. The defender of a fort.
_Dooley._ _Duil_, expectation; _eać_, an individual. A sanguine person.
_Dornan._ _Dorn_, a clenched fist; _an_, denoting personality. A pugilist.
_Duff._ _Dub́_, pronounced _dubh_ or _duv_, black.
_Duffy._ _Dub́_, black; _eać_, an individual. A black person.
_Dunbarton._ _Dun_, a stronghold; _barton_, a corruption of _Britain_. A stronghold of the Britain.
_Dunaghan._ _Dun_, a stronghold; _a_ for _an_, of the; _gean_, affection. A stronghold of the affection.
_Duncan._ _Dun_, a fort; _cean_, a head. The head of a fort; a chieftain.
_Dungan._ Contraction of _Dungannon_, which, in Irish, is _Dungeanain_. From _dun_, a stronghold; _gein_, affection; _ain_, a land. A stronghold of the land of affection.
_Dunkin._ _Dun_, stronghold; _cinn_, genitive of _ceann_, head. The stronghold of the head.
_Dundore._ _Dun_, stronghold, _de_, of; _oir_, gold. Stronghold of gold.
_Dunmore._ _Dun_, the fort; _an_, of the; _oir_, gold; originally, _Dun-an-oir_. The fort of the gold.
_Dunmoulin._ _Dun_, the fort; _muillin_, a mill. The fort of the mill.
_Dunn._ _Dun_, a fort, a stronghold, a castle, a hill, a mound.
_Dunpatrick._ _Dun_, stronghold; _Padruic_, Patrick. The stronghold of Patrick.
E.
_Eagen._ See Egan. _Gen_ is probably a corruption of _gan_.
_Eagin_. See Egan. _Ginn_ is the equivalent of _gan_.
_Egan._ _Aod́_, pronounced _eey_, Hugh; _gan_, offspring. Descendant of Hugh. _Aod́gan_, the original form. Eoghan, a corrupted phase of the word.
_Eill._ _Eile_, _aile_, _oile_, another.
_Eire._ _Eire_, Ireland. Eyre, a slightly altered form of the name.
_Eirey._ _Eire_, Ireland; _ać_, an individual. An Irishman; a native of Ireland.
_Ennis._ _Inis_, an island.
_Erionnach._ Originally, _Eireannac_, equivalent to _Eire_, Ireland; _an_ of; _nać_, an individual. Native of Ireland; an Irishman.
_Ey._ _Ad́_, pronounced _ey_, luck, fortune, chance.
F.
_Fadden._ Corruption of _Padruic_, Patrick. Patrician; nobleman.
_Fagan._ _Fat́_, cause, reason; _gan_, offspring. Result; effect; consequence.
_Fahan._ _Fat́_, a plain, a field; _an_, indicative of a person. A farmer; a cultivator of the earth.
_Fahy._ _Fat́_, reason; _ać_, an individual. A reasoner; a logician.
_Farnell._ _Fearn_, a shield; _aille_, beautiful. A beautiful shield.
_Farnan._ _Fearn_, a helmet; _an_, person. One who carries a helmet; a warrior. Sometimes written Farnon.
_Farne._ _Fearn_, a shield, genitive _fearne_. Belonging to a shield.
_Farney._ _Fearn_, a helmet; _eać_, an individual. A knight; a warrior.
_Fearn._ _Fearn_, a shield, a helmet.
_Farr._ _Fear_, pronounced _far_, a man.
_Feenan._ _Fion_, pronounced _feen_, wine; _an_, a person. Wine-merchant.
_Feeney._ _Fion_, wine; _eać_, an agent. Wine-dealer.
_Fei._ _Feit́_, pronounced _fāh_, a sinew.
_Feighan._ _Feit́_, a sinew; _an_, expressive of diminutiveness. A small sinew.
_Fenton._ _Fiontan_, perhaps, in the original, a vineyard; from _fion_, wine; _tan_, a land.
_Fergus._ Originally, _Feargus_; from _fear_, a man; _gus_, a suffix denoting towards. One tending towards manhood; a youth.
_Fernley._ _Fearn_, a helmet; _lać_, people. A warlike people. Fernly, a slightly abbreviated form of the same.
_Filmore._ _File_, a poet; _Muire_, Mary. A poet devoted to Mary; one that writes or sings of Mary.
_Finbar._ _Fionn_, pronounced _fin_, fair, white; _barr_, summit, head. A white summit.
_Finnley._ _Fionn_, fair; _lać_, people. Fair people.
_Finne._ _Fionn_, fair, white.
_Flinn._ _Fionn_, white; _linn_, a marsh, a swamp. In allusion, doubtless, to a summer array of white flowers. Flynn, the same word, in slightly altered garb.
_Fow._ _Foǵ_, reward, booty, spoil.
_Fowne._ _Fionn_, fair. In Tipperary, Waterford, and Kilkenny, _fionn_ is pronounced _fown_ and not _fin_ as is the case generally in Ireland.
_Fulmer._ _Feolmar_, jealous, envious of another’s fame, reputation, or glory.
G.
_Gahn._ _Gean_, pronounced _gahn_, affection, esteem.
_Gall._ _Gall_, a foreigner, an Englishman, a stranger.
_Galligan._ _Gall_, genitive _gaill_, stranger; _gan_, offspring. Descendant of the stranger.
_Gallagher._ _Geall_, promise; _geallać_, genitive _geallaiǵ_, promise; _er_, person. A person of promise.
_Gallen._ _Geallan_, a linnet.
_Galloway._ Doubtless, same as Galway. In the original _Gailliḿ_, the town of the strangers.
_Garrett._ _Gearroid́_, from _gearr_, short; _aod́_, compounded of _aoi_, a being, and _De_, of God. An humble servant of God.
_Garrity._ _Gearroid́_, Garrett; _eać_, an agent. A representative of Garrett.
_Garvin._ _Garb́_, pronounced _garv_, rough, rude; _in_, indicative of personality. A rough, rude, or unlettered person.
_Gaw._ _Gab́_, pronounced _gaw_, to conceive.
_Gear._ _Gearr_, short, not tall.
_Gee._ _Aod́_, pronounced _eey_, Hugh.
_Geir._ _Gair_, gladness, merriment, rejoicing.
_Geogh._ _Ge_, a goose; _ać_, an agent. One that acts like a goose; a silly person. Geough, Gough, of kindred origin.
_Geugan._ _Geug_, a branch; _an_, a diminutive. A branchlet. Geugen, doubtless, earliest change from the ancient form.
_Gilchrist._ _Giolla_, a servant, one devoted to another; _Criosd_, Christ. A servant of Christ; one devoted to Christianity.
_Gill._ _Giolla_, a servant, one devoted to another’s interests; a menial.
_Gilmartin._ _Giolla_, a servant; _martin_, Martin.
_Gilmore._ Originally, _giolla—Muire_; _giolla_, a servant; _Muire_, Mary. One devoted to Mary.
_Ginn._ _Ginn_, an offspring, a descendant.
_Ginnelly._ _Ginn_, offspring; _aille_, of a cliff, the genitive of _aill_. The fruit of a cliff.
_Glass._ _Glas_, green.
_Glassy._ _Glas_, green; _eać_ an individual. An inexperienced person.
_Gleason._ _Gle_, pure; _gleas_, purity; _on_, implying a person. A chaste person.
_Glennessy._ _Glinn_, clear; _eas_, denoting quality, equivalent to _ness_; _y_ for _neać_, an individual. A clear-sighted person.
_Glenny._ _Glean_, a valley; _eać_, an individual. A dweller in a valley.
_Glinn._ _Glinn_, the bright heavens. Home of the Blessed. Glynn, of like significance.
_Gorman._ _Gorm_, blue; _an_, expressive of person. A blue-eyed person.
_Grane._ _Graine_, grain.
_Greany._ _Grian_, pronounced _green_, sun; _neać_, an agent. Sun-god.
_Grogan._ _Gruag_, hairy; _an_, denoting a person. A hairy person. Grugan, derivable from the same roots.
_Guill._ _Giolla_, a servant, a menial.
_Guinan._ _Guin_, wound, hurt, sting, from _ga_, an arrow, and _an_, a circle, an opening; _an_, a personal suffix. A sufferer; a wounded man.
_Guinn._ _Guin_, an opening, a wound.
_Guiness._ Irish for Æneas, a corruption of _Mac Anǵuis_, which latter being the genitive of _Aonǵus_, pronounced _eny-as_, the equivalent of Angus.
_Guire._ Contraction of Maguire, which is traceable to _maǵ_, plain; _uire_, a contraction of _Muire_, Mary. Plain of Mary.
_Gunn._ _Guin_, a wound, by dropping _i_, and doubling its final consonant, becomes the word under consideration.
_Gwin._ Anglicised form of Guin. Gwinn, Gwynn, and Gynn are referable to the same word.
H.
_Hallahan._ _At́_, a ford; _leat́an_, wide. In Irish, pure and simple, the vowels are never aspirated, but in certain parts of Ireland, as before stated, the English habit prevails, as is attested to by the word under notice.
_Heany._ Anglo-Saxon _hean_, humble; _neać_, an individual. An humble person.
_Hinch._ _Leat́-inse_, from _leat́_, pronounced _leh_, half, and _inse_, pronounced _insh_, island, the final consonant of the first half of the word being carried over to the remaining portion: hence, Le Hinch, or the half-island.
_Hugh._ _Aod́_, pronounced _eey_, is its Irish equivalent: in the Dutch, its parental language, it signifies mind, spirit.