Gaeth - (GAYTH) Old Irish "intelligent, skillful".

Gair - "small". Geir, Gaer.

Galbraith - (gahl-brayth) Old Irish meaning "Scotsman".

Gale - "a stranger". Gael, Gaile, Gayle.

Galen - (gay-len)(Gael) "calm"; or "small but lively".

Gallagher - from the word for "eager helper".

Galloway - once referred to a Scotsman from Galloway, Scotland. Galway.

Galvin - (GAHL-vin) from Old Irish gelbann "a sparrow".

Gannon - (Gael) "light or fair-complexioned". Gannie.

Garbh�n - (GAHR-van) from garb "rough". Garban, Garvan.

Garrett - (Teut) "brave spearman" or "with a mighty spear". Garret, Garett.

Garvey - from a word meaning "rough place". Gairbith.

Gaynor - "son of the fair-skinned man" or "son of the fair-haired one". Gainor, Gaenor.

Gear�id - (GAHR-ohd) Irish form of Gerald, from ancient name Gelgeis, from gel "shining". May also mean "spear-mighty" and come from the Anglo-Normans. Gearalt, Garalt, Gerald, Garret.

Genty - from a word meaning "snow".

Gilchrist - "servant of Christ". Ghilchrist, Giolla Chriost, Gilvarry, Gil, Gilley.

Gillean - "servant of St. John". Gillan.

Gillespie - "son of the bishop's servant". Gillis.

Gilmore - (Gael) from words meaning "devoted to the Virgin Mary".

Gilvarry - (gil-very or gil-var-ee) "servant of St. Barry". Giolla Bhearaigh (GIL-a VER-ee).

Giolla Bhr�ghde - (GIL-a BREED) from words meaning "servant of St. Brighid" or "Saint Brigid". Gillbride.

Giolla Chr�ost - (GIL-a KREEST) "servant of Christ". See Gilchrist.

Giolla Deacair - (GIL-a dah-keer?) an Otherworld champion who owned a horse that could not be ridden. The hero Conan managed to mount the horse, but it carried him away to Tir Tairngire, and had to be rescued by Fionn.

Giolla Dh� - (GIL-a DEH) "servant of god". Gildea.

Gilroy - "devoted to the king". Gildray.

Glaisne - (GLAS-nee) a favored name in Ulster up to modern times. Glasny.

Glen - (Celt) "glen or narrow valley" or "a secluded, woody valley". Glyn, Glynis, Glenn.

Glenville - "village in the glen".

Gobban - (GOH-ban) from Goibniu, the ancient god of smithcraft who worked for the Tuatha De Danann. Goban.

Gofraidh - (GO-free-y) "god's peace"; variant of the Old German name Godfrey. Goffraidh, Godfrey, Gorry.

Goibniu - god of blacksmiths known in Ireland and Wales, he forged all weapons for the Tuatha De Danann, they never missed their mark and the wounds inflicted were always fatal.

Gordon - (Gael) "hero"; a Scots-Irish name used in Ulster. Gordain.

Gorman - from a word meaning "dark" or "swarthy"; male or female name. Gormain.

Grady - (Gael) from a word meaning "noble" or "illustrious". Gradleigh, Gradey.

Greagoir - (GREG-or) "vigilant" or "fierce". Grioghar, Gregory, Gregor; pet form: Greg.

Guaire - common name of early Ireland meaning "noble or proud".

Guthrie - (guhth-ree) "windy place".

Guy - "sensible".