Last updated: March 2026

Character Name

Oonagh

Meaning — Possibly an Irish form connected to "Una" or "Oonagh", from Old Irish "uan" meaning "lamb" or possibly from a root meaning "unity" or "one". In Irish mythology and folklore, Áine/Oonagh appears as a fairy queen — Oonagh was the queen of the fairies in many folk traditions, the wife of Fionnbarra, king of the Irish fairies, renowned for her golden hair that reached the ground.·Irish origin·Female·OO-na

Oonagh Oonagh carries the fairy queen's combination of supernatural beauty with sharp intelligence — she is not merely decorative but formidably clever, using wit where brute force would fail. The folk-tale tradition of Oonagh outwitting giants makes her ideal for characters who win through cunning rather than power. The name suits heroines who are underestimated precisely because of their golden beauty and feminine grace.

Best genres for Oonagh

FantasyMythologyHistorical FictionMagical RealismYoung Adult

Famous characters named Oonagh

Oonagh

Irish Folk Tales / Finn and the Giant — Traditional Irish Folklore

The clever fairy wife of Fionn mac Cumhaill in folk tradition who outwits the giant Cú Chulainn by disguising her husband as a baby, one of the most celebrated Irish folk tales.


Variations & nicknames

OonaghUnaOonaÚna

Pairs well with

Oonagh Mac FhionnbarraOonagh O'BrienOonagh GallagherOonagh DohertyOonagh MacAllisterOonagh Ní Chuilleanáin

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Related names

Niamh

Old Irish · “Derived from the Old Irish word "niamh" meaning "bright" or "radiant". The name belongs to one of the most celebrated figures of Irish mythology, Niamh of the Golden Hair, a princess of Tír na nÓg (the Land of Eternal Youth) who fell in love with the poet-warrior Oisín and carried him away on her white horse across the sea.”

Aoife

Old Irish · “Derived from the Old Irish "Aífe", itself from the word "oíph" meaning "beauty" (modern Irish "aoibh"). This ancient Irish name has been borne by several legendary figures, most notably a fierce warrior woman who engaged in single combat with the hero Cúchulainn, and a jealous queen in the tale of the Children of Lir who transformed her stepchildren into swans.”

Aisling

Old Irish · “Derived from the Old Irish "aislinge" meaning "dream" or "vision". The word also refers to a specific genre of Irish poetry, the "aisling", in which Ireland is personified as a beautiful woman who appears in a vision and laments the country's oppression. The name thus carries rich literary and political associations, with overtones of visionary idealism and the pursuit of an Ireland not yet achieved.”

Cliona

Old Irish · “Possibly derived from Old Irish "clú" meaning "fame" or "renown" with a feminine suffix. Clíodhna (also spelled Clíona or Cliodhna) is a significant figure in Irish mythology — one of the three waves of Ireland and a queen of the sídhe (fairy mounds) of Munster. She was sometimes said to be the most beautiful woman in the world, ruling the otherworldly realm of Tír Tairngire.”

Fionnuala

Old Irish · “Derived from the Old Irish "Fionnghala" composed of "fionn" meaning "white" or "fair" and "guala" meaning "shoulder" — together meaning "white shoulder" or "fair-shouldered". In the Irish legend of the Children of Lir, Fionnuala is the eldest daughter of the sea god Lir, transformed into a swan by her jealous stepmother Aoife and forced to wander the waters of Ireland for nine hundred years.”


More Irish names

Reagan

“An anglicised form of the Irish surname "Ó Riagáin" or "Ó Reagáin", derived from the Old Irish "riagán" possibly meaning "little king" or from "rí" (king) combined with a diminutive suffix. The name transitioned from a patronymic surname to a given name through the Irish-American tradition of using family surnames as first names, a practice that preserved ancestral Celtic identity through generations of the diaspora.”

Neil

“Anglicised from the Irish Niall, a name of disputed meaning — proposed interpretations include "cloud," "passionate," "champion," and "vehement." The name was borne by several early Irish kings and saints, including Niall of the Nine Hostages, the legendary ancestor of the Uí Néill dynasty. Neil is the standard anglicised spelling used outside Ireland.”

Aiden

“An anglicised spelling of Aodhán, the diminutive of the Old Irish Aodh, meaning "fire" — Aodh was the Celtic god of sun and fire. The name was borne by several early Irish saints, most notably Saint Aidan of Lindisfarne (c. 590–651), who helped Christianise northern England. Aiden is the most common American English spelling; Aidan is the Irish and British form.”

Kellie

“Kellie is a feminine variant of Kelly, an Irish surname and given name derived from the Gaelic ceallach, possibly meaning "war" or "bright-headed." As a given name Kelly became popular in the English-speaking world from the mid-twentieth century, with Kellie as a distinctly feminine spelling variant.”

Éabha

“The Irish form of Eve, from the Hebrew "Chavah" meaning "living" or "life-giver". In Irish Gaelic the name takes the form Éabha, pronounced quite differently from the English Eve, and has been used in Ireland since the early Christian period. In Irish tradition Éabha (Eve) is also associated with various legendary and mythological figures, and the name enjoyed a significant revival in Ireland during the twentieth-century Gaelic language revival.”

Clodagh

“Named after the River Clodagh in County Tipperary and County Waterford, Ireland — one of several Irish rivers whose names became given names. The river name itself is of uncertain Celtic origin, possibly derived from an ancient tribal or geographical term. Clodagh as a given name was popularised by the Marquess of Waterford who named his daughter after the family's local river in the late nineteenth century, making it a relatively modern addition to the Irish naming canon.”


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