Irish Names Starting with G

Often refers to a person who is a native Irish speaker or a person who is from Ireland. Medieval legend holds that Gael was the name of the hero from whom the Irish race took its name.

Rare in Ireland: fewer than three baby girls a year get the name.

Anglicized as Barbara. May come from gorm “illustrious” or “splendid” and flaith “queen, princess.”

Rare in Ireland: fewer than three baby girls a year get the name.

Gráinne is an ancient Irish name of uncertain origin. It may come from Old Irish grán, “grain,” or gráin, “hatred, fear,” but neither is certain.

No. 166 for girls in Ireland in 2025, with 28 baby girls.

Described as “one of the most remarkable women in Irish history” Granuaile or Grainne Ni Mhaille (ang. as Grace O’Malley) was a renowned sea captain who led a band of 200 sea-raiders from the coast of Galway in the sixteenth century.

Rare in Ireland: fewer than three baby girls a year get the name.

Garret in Irish is Gearoid, pronounced GAR-roid, meaning “brave with a spear.”

Not in Ireland's 2025 tables (fewer than three babies); last recorded in 2008.

Means “brave with a spear” or “spear carrier.”

No. 244 for boys in Ireland in 2025, with 19 baby boys.

Gerald in Irish is Gearoid, pronounced GAR-roid, meaning “brave with a spear.”

Not in Ireland's 2025 tables (fewer than three babies); last recorded in 2023.

Gerard in Irish is Gearoid, pronounced GAR-roid, meaning “brave with a spear.”

No. 348 for boys in Ireland in 2025, with 11 baby boys.

Gerrit in Irish is Gearoid, pronounced GAR-roid, meaning “brave with a spear.”

Rare in Ireland: fewer than three baby boys a year get the name.

Glendon is often explained as Irish, from gleann “valley, glen” and dún “fort,” giving “fort in the glen,” but the recorded history of the surname points elsewhere.

Rare in Ireland: fewer than three baby boys a year get the name.