Aidan m Irish, English (Modern)Anglicized form of
Aodhán. In the latter part of the 20th century it became popular in America due to its sound, since it shares a sound with such names as
Braden and
Hayden. It peaked ranked 39th for boys in 2003.
Ailbhe f & m Irish, Irish MythologyFrom Old Irish
Ailbe, possibly derived from the Celtic root *
albiyo- "world, light, white" or Old Irish
ail "rock". In Irish legend this was the name of a female warrior of the Fianna. It was also the name of a 6th-century male saint, the founder of a monastery at Emly.
Aodh m Irish, Scottish Gaelic, Irish MythologyFrom Old Irish
Áed, which meant
"fire". This was a very popular name in early Ireland, being borne by numerous figures in Irish mythology and several high kings. It has been traditionally Anglicized as
Hugh.
Aodhán m IrishFrom the Old Irish name
Áedán meaning
"little fire", a diminutive of
Áed (see
Aodh). This name was borne by a 6th-century king of Dál Riata. It was also the name of a few early Irish saints, including a 6th-century bishop of Ferns and a 7th-century bishop of Lindisfarne.
Aonghus m Irish, Scottish Gaelic, Irish MythologyFrom Old Irish
Óengus, possibly meaning
"one strength" from
óen "one" and
guss "force, strength". Aonghus (sometimes surnamed
Mac Og meaning "young son") was an Irish god of love and youth, one of the Tuatha Dé Danann. He was the son of
Dagda and
Boann. The name was also borne by an 8th-century Pictish king, several Irish kings, and a few saints, including a 9th-century bishop of Tallaght.
Aran 1 m & f IrishFrom the name of the Aran Islands off the west coast of Ireland.
Bran 1 m Irish, Irish Mythology, Old IrishMeans
"raven" in Irish. In Irish legend Bran mac Febail was a mariner who was involved in several adventures on his quest to find the Otherworld.
Brendan m Irish, English, BretonFrom
Brendanus, the Latinized form of the Old Irish name
Bréanainn, which was derived from Old Welsh
breenhin meaning
"king, prince". Saint Brendan was a 6th-century Irish abbot who, according to legend, crossed the Atlantic and reached North America with 17 other monks.
Brian m English, Irish, Old IrishMeaning uncertain, possibly related to the old Celtic root *
brixs "hill, high" (Old Irish
brií) or the related *
brigā "might, power" (Old Irish
briíg). It was borne by the Irish king Brian Boru, who thwarted Viking attempts to conquer Ireland in the 11th century. He was slain in the Battle of Clontarf, though his forces were decisively victorious. This name was common in Ireland after his time, and it was introduced to northern England by Norse-Gael settlers. It was also used in Brittany, and was brought to England by Bretons in the wake of the Norman Conquest. Though it eventually became rare in the English-speaking world, it was strongly revived in the 20th century, becoming a top-ten name for boys in most regions.
Brogán m Irish (Rare)From the Old Irish name
Broccán, derived from
bróc "shoe, sandal, greave" combined with a diminutive suffix. This was the name of several Irish saints, including Saint
Patrick's scribe.
Cahir m IrishAnglicized form of Irish
Cathaoir, possibly meaning
"battle man" from Old Irish
cath "battle" and
fer "man".
Cairbre m IrishMeans
"charioteer" in Irish. This was the name of two semi-legendary high kings of Ireland.
Caolán m IrishFrom Irish
caol meaning
"slender" combined with the diminutive suffix
-án.
Caomhán m Irish (Rare)From Old Irish
Cóemán, derived from
cóem "dear, beloved, gentle" combined with a diminutive suffix. This was the name of several early Irish saints.
Carroll m IrishAnglicized form of
Cearbhall. A famous bearer of the surname was Lewis Carroll (1832-1898), whose real name was Charles Lutwidge Dodgson, a British author known for
Alice's Adventures in Wonderland.
Cathal m Irish, Old IrishDerived from Old Irish
cath "battle" and
fal "rule". This was the name of a 7th-century Irish saint. It was also borne by several Irish kings. It has sometimes been Anglicized as
Charles.
Ceallach m Irish (Rare)From Old Irish
Cellach, of uncertain origin, traditionally said to mean
"bright-headed". Alternatively it could be derived from Old Irish
cellach "war, strife" or
cell "church". This name was borne by several early Irish kings and by a 12th-century saint, an archbishop of Armagh.
Cearbhall m IrishFrom Old Irish
Cerball, probably from
cerb meaning
"pointed, sharp, cutting". This was the name of a few medieval Irish kings.
Christy f & m English, IrishDiminutive of
Christine,
Christina,
Christopher and other names beginning with
Christ. In Ireland this name is typically masculine, though elsewhere in the English-speaking world it is more often feminine (especially the United States and Canada).
Cian m Irish, Irish Mythology, Old IrishMeans
"ancient, enduring" in Irish. In Irish mythology this was the name of the father of
Lugh Lámfada. It was also borne by the mythical ancestor of the Ciannachta and by a son-in-law of
Brian Boru.
Ciar m & f Irish, Irish Mythology, Old IrishDerived from Irish
ciar meaning
"black". In Irish legend Ciar was a son of
Fergus mac Róich and
Medb, and the ancestor of the tribe of the Ciarraige (after whom County Kerry is named). As a feminine name, it was borne by an Irish nun (also called
Ciara) who established a monastery in Tipperary in the 7th century.
Ciarán m Irish, Old IrishDiminutive of
Ciar. This was the name of two 6th-century Irish saints: Ciarán the Elder, the founder of the monastery at Saighir, and Ciarán the Younger, the founder of the monastery at Clonmacnoise.
Cillian m IrishProbably from Old Irish
cell meaning
"church" combined with a diminutive suffix. This was the name of a 7th-century Irish saint who evangelized in Franconia. He was martyred in Würzburg.
Comhghall m Irish (Rare)Means
"fellow hostage" from Old Irish
com "with, together" and
gíall "hostage". This was the name of a 6th-century saint, the founder of a monastery at Bangor, Ireland.
Comhghán m Irish (Rare)Means
"born together" from Old Irish
com "with, together" and
gan "born". Saint Comgán was the founder of a monastery at Killeshin in the 6th or 7th century.
Conall m Irish, Old Irish, Irish MythologyMeans
"rule of a wolf", from Old Irish
cú "hound, dog, wolf" (genitive
con) and
fal "rule". This is the name of several characters in Irish legend including the hero Conall Cernach ("Conall of the victories"), a member of the Red Branch of Ulster, who avenged
Cúchulainn's death by killing
Lugaid.
Conan m IrishMeans
"little wolf" or
"little hound" from Irish
cú "wolf, hound" combined with a diminutive suffix. This was the name of several early saints, including a 7th-century bishop of the Isle of Man. It appears in Irish legend as a companion
Fionn mac Cumhaill. A famous bearer of it as a middle name was Arthur Conan Doyle (1859-1930), the author of the Sherlock Holmes mystery stories. It is also the name of the hero of the
Conan the Barbarian series of books, comics and movies, debuting 1932.
Conleth m IrishAnglicized form of the Old Irish name
Conláed, possibly meaning
"constant fire" from
cunnail "prudent, constant" and
áed "fire". Saint Conláed was a 5th-century bishop of Kildare.
Conn m Irish, Irish Mythology, Old IrishPerhaps from Old Irish
conn meaning
"sense, reason" or
cenn meaning
"head, chief". This was the name of a legendary high king of Ireland, Conn of the Hundred Battles.
Connor m Irish, English (Modern)Variant of
Conor, based on the usual spelling of the surname that is derived from the name. This is currently the most common way of spelling it in the English-speaking world, apart from Ireland.
Cormac m Irish Mythology, IrishFrom Old Irish
Cormacc or
Corbmac, of uncertain meaning, possibly from
corb "chariot, wagon" or
corbbad "defilement, corruption" combined with
macc "son". This is the name of several characters from Irish legend, including the semi-legendary high king Cormac mac Airt who supposedly ruled in the 3rd century, during the adventures of the hero
Fionn mac Cumhaill. This name was also borne by a few early saints.
Dáire m Irish, Irish MythologyMeans
"fruitful, fertile" in Irish. This name is borne by many figures in Irish legend, including the Ulster chief Dáire mac Fiachna who reneged on his promise to loan the Brown Bull of Cooley to
Medb, starting the war between Connacht and Ulster as told in the Irish epic
The Cattle Raid of Cooley.
Dáithí m IrishMeans
"swiftness, nimbleness" in Irish. This was the name of a semi-legendary high king of Ireland, also called
Nathí. It is sometimes Anglicized as
David.
Damhán m IrishFrom Old Irish
Damán meaning
"calf, fawn", derived from
dam "ox, deer" and a diminutive suffix. This was the name of an early Irish saint, a brother of Saint Abbán.
Declan m Irish, EnglishAnglicized form of Irish
Deaglán, Old Irish
Declán, which is of unknown meaning. Saint Declan was a 5th-century missionary to the Déisi peoples of Ireland and the founder of the monastery at Ardmore.
... [more] Desmond m English, IrishAnglicized form of Irish
Deasmhumhain meaning "south Munster", referring to the region of Desmond in southern Ireland, formerly a kingdom. It can also come from the related surname (an Anglicized form of
Ó Deasmhumhnaigh), which indicated a person who came from that region. A famous bearer is the South African archbishop and activist Desmond Tutu (1931-2021).
Diarmaid m Irish, Irish MythologyMeaning unknown, though it has been suggested that it means
"without envy" in Irish. In Irish legend this was the name of a warrior who became the lover of
Gráinne. It was also the name of several ancient Irish kings.
Dubhán m Irish (Rare)From Old Irish
Dubán meaning
"little dark one", derived from
dub "dark, black" combined with a diminutive suffix. This was the name of a few early saints.
Éamon m IrishVariant of
Éamonn. This name was borne by American-born Irish president Éamon de Valera (1882-1975), whose birth name was Edward.
Éimhín m IrishFrom Old Irish
éim meaning
"swift, prompt". This was the name of a 7th-century saint, the founder of a monastery in Kildare.
Eoghan m Irish, Irish MythologyPossibly means
"born from the yew tree", from Old Irish
eó "yew" and the suffix
gan "born". Alternatively, it might be derived from the Latin name
Eugenius. It was borne by several legendary or semi-legendary Irish figures, including a son of the king
Niall of the Nine Hostages.
Faolán m Irish (Rare)Means
"little wolf", derived from Old Irish
fáel "wolf" combined with a diminutive suffix. This was the name of an Irish saint who did missionary work in Scotland.
Fergal m Irish, Old IrishMeans
"man of valour", derived from the Old Irish elements
fer "man" and
gal "valour". This was the name of an 8th-century king of Ireland. As well as the Old Irish form of the name, this is the usual Anglicization of the Modern Irish form
Fearghal.
Fergus m Irish, Scottish, Irish Mythology, Old IrishMeans
"man of vigour", derived from the Old Irish elements
fer "man" and
guss "vigour, strength, force". This was the name of several early rulers of Ireland and Dál Riata, as well as many characters from Irish legend. Notably it was borne by the hero Fergus mac Róich, who was tricked into giving up the kingship of Ulster to
Conchobar. However, he remained loyal to the new king until Conchobar betrayed
Deirdre and
Naoise, at which point he defected to Connacht in anger. The name was also borne by an 8th-century saint, a missionary to Scotland.
... [more] Fiachra m Irish, Irish MythologyFrom Old Irish
Fiachrae, possibly from
fiach "raven" or
fích "battle" combined with
rí "king". This was the name of several legendary figures, including one of the four children of
Lir transformed into swans for a period of 900 years. This is also the name of the patron saint of gardeners: a 7th-century Irish abbot who settled in France, usually called Saint Fiacre.
Finbar m IrishAnglicized form of Irish
Fionnbharr, Old Irish
Finnbarr, derived from
finn "white, blessed" and
barr "top, head". Saint Finbar of Cork was a 6th-century bishop who supposedly performed miraculous cures. The Isle of Barra off Scotland was (probably) named for him.
Finnian m IrishDerived from Old Irish
finn "white, blessed". This was the name of several Irish saints, including the founders of monasteries at Clonard and Movilla (both 6th century).
Fintan m Irish, Irish Mythology, Old IrishPossibly means either
"white fire" or
"white ancient" in Irish. According to legend this was the name of the only Irish person to survive the great flood. This name was also borne by many Irish saints.
Fionn m Irish, Irish MythologyFrom the Old Irish name
Finn, derived from
finn meaning
"white, blessed". It occurs frequently in Irish history and legends, the most noteworthy bearer being Fionn mac Cumhaill, the central character of one of the four main cycles of Irish mythology, the Fenian Cycle. Fionn was born as
Deimne, and acquired his nickname because of his fair hair. He grew all-wise by eating an enchanted salmon, and later became the leader of the Fianna after defeating the fire-breathing demon Áillen. He was the father of
Oisín and grandfather of
Oscar.
Flann m & f Irish, Old IrishMeans
"blood red" in Irish. This was the name of a 9th-century high king of Ireland.
Garbhán m IrishFrom Old Irish
Garbán meaning
"little rough one", derived from
garb "rough" combined with a diminutive suffix. This was the name of a 7th-century Irish saint.
Gobán m Irish (Rare)From Old Irish
Gobbán, derived from
gobae "smith" and a diminutive suffix. It could also be a derivative of the name of the Irish smith god
Goibniu (from the same root). This was the name of a few early saints, such as a 7th-century abbot of Killamery. In later folklore, the smith god and the saints seem to have conflated into the legendary figure Gobán Saor ("Gobán the builder"), a master architect and builder of churches.
Ivor m Irish, Scottish, Welsh, English (British)From the Old Norse name
Ívarr, which was probably derived from the elements
ýr "yew tree, bow" and
herr "army, warrior". During the Middle Ages it was brought to Britain by Scandinavian settlers and invaders, and it was adopted in Ireland (Irish
Íomhar), Scotland (Scottish Gaelic
Iomhar) and Wales (Welsh
Ifor).
Kelly m & f Irish, EnglishAnglicized form of the Irish given name
Ceallach or the surname derived from it
Ó Ceallaigh. As a surname, it has been borne by actor and dancer Gene Kelly (1912-1996) and actress and princess Grace Kelly (1929-1982).
... [more] Kennedy f & m English, IrishFrom an Irish surname, an Anglicized form of Irish Gaelic
Ó Cinnéidigh, itself derived from the given name
Cennétig. The name has sometimes been given in honour of assassinated American president John F. Kennedy (1917-1963). It was popularized as a name for girls by Lisa Kennedy Montgomery (1972-), known simply as Kennedy, the host of the television program
Alternative Nation on MTV from 1992 to 1997.
Lachtna m Irish (Rare)From Old Irish
Lachtnae meaning
"milk-coloured", from
lacht "milk" (borrowed from Latin). This was the name of a great-grandfather of the Irish king
Brian Boru.
Lochlainn m Irish, Old IrishMeans
"Viking, Scandinavian" from Old Irish
Lochlann, a name for Scandinavia. It means "land of the lakes", derived from
loch "lake".
Lonán m Irish, Old IrishMeans
"little blackbird", derived from Old Irish
lon "blackbird" combined with a diminutive suffix. This name was borne by several early saints.
Lorcán m IrishMeans
"little fierce one", derived from Old Irish
lorcc "fierce" combined with a diminutive suffix. Saint Lorcán was a 12th-century archbishop of Dublin.
Macdara m Irish, Old IrishMeans
"son of oak" in Irish. This was the name of a 6th-century saint from Connemara.
Mainchín m IrishMeans
"little monk", derived from Old Irish
manach "monk" combined with a diminutive suffix. This name was borne by two early saints.
Meallán m Irish (Rare)From Old Irish
Mellán, derived from
mell meaning either "pleasant, delightful" or "lump, ball" combined with a diminutive suffix. This was the name of a few early saints.
Naoise m Irish, Irish MythologyMeaning unknown, presumably of Irish origin. In Irish legend he was the young man who fled to Scotland with
Deirdre, who was due to marry
Conchobar the king of Ulster. Conchobar eventually succeeded in capturing Deirdre and killing Naoise, which caused Deirdre to die of grief.
Naomhán m IrishMeans
"little saint", derived from Irish
naomh "saint" combined with a diminutive suffix.
Neil m Irish, Scottish, EnglishFrom the Irish name
Niall, which is of disputed origin, possibly connected to the old Celtic root *
nītu- "fury, passion" or the (possibly related) Old Irish word
nia "hero". A derivation from Old Irish
nél "cloud" has also been suggested. This was the name of a few early Irish kings, notably Niall of the Nine Hostages, a semi-legendary high king of the 4th or 5th century.
... [more] Nollaig f & m IrishMeans
"Christmas" in Irish. This name was created in the 20th century as a translation of
Noël.
Odhrán m IrishFrom Old Irish
Odrán, derived from
odar "dun-coloured, greyish brown, tan" combined with a diminutive suffix. This was the name of a saint who travelled with Saint Columba through Scotland.
Oisín m Irish, Irish MythologyMeans
"little deer", derived from Old Irish
oss "deer, stag" combined with a diminutive suffix. In Irish legend Oisín was a warrior hero and a poet, the son of
Fionn mac Cumhaill and the narrator in many of his tales.
Oscar m English, Irish, Portuguese (Brazilian), Italian, Swedish, Norwegian, Danish, Dutch, French, Irish MythologyPossibly means
"deer friend", derived from Old Irish
oss "deer" and
carae "friend". Alternatively, it may derive from the Old English name
Osgar or its Old Norse cognate
Ásgeirr, which may have been brought to Ireland by Viking invaders and settlers. In Irish legend Oscar was the son of the poet
Oisín and the grandson of the hero
Fionn mac Cumhaill.
... [more] Patrick m Irish, English, French, German, Danish, Norwegian, SwedishFrom the Latin name
Patricius, which meant
"nobleman". This name was adopted in the 5th-century by Saint Patrick, whose birth name was Sucat. He was a Romanized Briton who was captured and enslaved in his youth by Irish raiders. After six years of servitude he escaped home, but he eventually became a bishop and went back to Ireland as a missionary. He is traditionally credited with Christianizing the island, and is regarded as Ireland's patron saint. He is called
Pádraig in Irish.
... [more] Riagán m Irish (Rare)From Old Irish
Riacán, probably derived from
rí "king" combined with a diminutive suffix.
Ríoghán m IrishFrom Old Irish
Rígán, itself from
rí "king" (or the derivative
ríg "royal") combined with a diminutive suffix.
Rónán m Irish, Old IrishMeans
"little seal", derived from Old Irish
rón "seal" combined with a diminutive suffix. This was the name of several early Irish saints, including a pilgrim to Brittany who founded the hermitage at Locronan in the 6th century.
Rory m & f Irish, Scottish, EnglishAnglicized form of
Ruaidhrí. Typically a masculine name, it gained some popularity for girls in the United States after it was used on the television series
Gilmore Girls (2000-2007), in this case as a nickname for
Lorelai. Despite this, the name has grown more common for boys in America, especially after 2011, perhaps due to Northern Irish golfer Rory McIlroy (1989-).
Rowan m & f Irish, English (Modern)Anglicized form of the Irish name
Ruadhán. As an English name, it can also be derived from the surname Rowan, itself derived from the Irish given name. It could also be given in reference to the rowan tree, a word of Old Norse origin (coincidentally sharing the same Indo-European root meaning "red" with the Irish name).
Ruadhán m IrishFrom Old Irish
Rúadán, derived from
rúad "red" combined with a diminutive suffix. This was the name of the founder of the monastery of Lorrha in the 6th century.
Ruaidhrí m IrishFrom Old Irish
Ruaidrí meaning
"red king", from
rúad "red" combined with
rí "king". This was the name of the last high king of Ireland, reigning in the 12th century.
Ruarc m IrishFrom Old Irish
Ruarcc. It was possibly an early borrowing from the Old Norse name
Hrǿríkr. Alternatively it might be derived from Old Irish elements such as
rúad "red" and
arg "hero, champion". This was the name of a 9th-century king of Leinster.
Séaghdha m Irish (Rare)From Old Irish
Ségdae, probably derived from
ségda meaning
"fine, good, favourable, learned". According to an Irish legend this was the name of a boy who was set to be sacrificed but was saved by his mother.
Seán m IrishIrish form of
John, derived via the Old French form
Jehan.
Sean m Irish, EnglishAnglicized form of
Seán. This name name, along with variants
Shawn and
Shaun, began to be be used in the English-speaking world outside of Ireland around the middle of the 20th century.
Senán m Irish, Old IrishMeans
"little old one", derived from Old Irish
sen "old" combined with a diminutive suffix. Saint Senán was a 6th-century monk who founded the monastery on Inis Cathaigh.
Shane m Irish, EnglishAnglicized form of
Seán. It came into general use in America after the release of the western movie
Shane (1953).
Tadhg m Irish, Irish MythologyFrom Old Irish
Tadg meaning
"poet". This was the name of an 11th-century king of Connacht, as well as several other kings and chieftains of medieval Ireland. According to Irish mythology it was the name of the grandfather of
Fionn mac Cumhaill.
Teague m IrishAnglicized form of
Tadhg. This name is also used as a slang term for an Irish Catholic.
Toirdhealbhach m Irish (Rare)From Old Irish
Tairdelbach meaning
"instigator", derived from
tairdelb "prompting". This name was borne by several medieval Irish kings.
Ultán m Irish, Old IrishMeans
"of Ulster" in Irish. Ulster is a region in the north of Ireland. This name was borne by two 7th-century Irish saints.