Old Celtic Origin Names

This is a list of names in which the origin is Old Celtic. The Celtic languages are a group of related languages now spoken primarily on the British Islands and Brittany.
gender
usage
origin
Abbán m Old Irish
Means "little abbot", derived from Irish abb "abbot" combined with a diminutive suffix. This was the name of a 6th-century Irish saint, the son of King Cormac of Leinster.
Áed m Old Irish, Irish Mythology
Old Irish form of Aodh.
Áedán m Old Irish
Old Irish form of Aodhán.
Áedh m Old Irish
Variant of Áed.
Áednat f Old Irish
Feminine form of Áed.
Aengus m Medieval Irish
Older form of Aonghus.
Aeron m & f Welsh
From the name of the Welsh river Aeron, itself probably derived from the hypothetical Celtic goddess Agrona. Alternatively, the name could be taken from Welsh aeron meaning "berries".
Aerona f Welsh
Variant of Aeron.
Aeronwen f Welsh (Rare)
Combination of Aeron and the Welsh element gwen meaning "white, blessed".
Aeronwy f Welsh (Rare)
Extended form of Aeron.
Affraic f Old Irish
Old Irish form of Aifric.
Africa 2 f Irish (Rare)
Anglicized form of Aifric.
Agrona f Celtic Mythology (Hypothetical)
Perhaps derived from the old Celtic root *agro- meaning "battle, slaughter". This is possibly the name of a Brythonic goddess for whom the River Ayr in Scotland and River Aeron in Wales were named.
Aíbinn f Old Irish
Old Irish form of Aoibheann.
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.
Aideen f Irish
Anglicized form of Éadaoin.
Aífe f Irish Mythology, Old Irish
Old Irish form of Aoife.
Aifric f Irish
From Old Irish Affraic, possibly from Afraicc, the Old Irish name of the continent of Africa (see Africa 1). Alternatively, it could be from *Aithbrecc, an unattested earlier form of Aithbhreac. This was the name of two abbesses of Kildare in the 8th and 9th centuries. It was also borne by a 12th-century daughter of the king of the Isle of Mann who married the Anglo-Norman knight John de Courcy.
Ailbe m & f Old Irish, Irish Mythology
Old Irish form of Ailbhe.
Ailbhe f & m Irish, Irish Mythology
From Old Irish Ailbe, possibly derived from the old 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 masculine saint, the founder of a monastery at Emly.
Ailill m Old Irish, Irish Mythology
Means "elf" in Irish. This name was borne by several early Irish kings. It also occurs frequently in Irish legend, borne for example by the husband of Queen Medb. It was also the name of two saints, both bishops of Armagh in the 6th century.
Áine f Irish, Irish Mythology, Old Irish
Means "radiance, brilliance" in Irish. This was the name of a goddess of love and fertility in Irish legend, thought to dwell at the hill of Cnoc Áine in Limerick. It has sometimes been Anglicized as Anne.
Aithne f Irish (Rare)
Possibly a variant of Eithne.
Alby m Irish
Anglicized masculine form of Ailbhe.
Amalgaid m Old Irish
Old Irish name of uncertain meaning. This was the name of a few early Irish kings.
Andraste f Celtic Mythology (Hellenized)
Possibly means "invincible" in Celtic. According to the Greco-Roman historian Cassius Dio, this was the name of a Briton goddess of victory who was invoked by Boudicca before her revolt.
Angharad f Welsh, Old Welsh (Modernized), Welsh Mythology
From an Old Welsh name recorded in various forms such as Acgarat and Ancarat. It means "much loved", from the intensive prefix an- combined with a mutated form of caru "to love". In the medieval Welsh romance Peredur son of Efrawg, Angharad Golden-Hand is the lover of the knight Peredur.
Angus m Scottish, Irish, English
Anglicized form of Aonghus.
Anwen f Welsh
Means "very beautiful" in Welsh, from the intensive prefix an- combined with gwen "white, blessed".
Aodh m Irish, Scottish Gaelic, Irish Mythology
From 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.
Aodhagán m Irish
Diminutive of Aodh (actually double diminutive).
Aodhán m Irish
From 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.
Aoibhe f Irish
Variant of Aoife, or directly from Irish aoibh meaning "beauty".
Aoibheann f Irish
From Old Irish Oébfinn or Aíbinn, derived from oíb meaning "beauty, appearance, form" and finn meaning "white, blessed". This was the name of the mother of Saint Énna of Aran. It was also borne by the daughter of the 10th-century Irish high king Donnchad Donn.
Aoibhín f Irish
Diminutive of Aoibhe.
Aoibhinn f Irish
Variant of Aoibheann. It also coincides with the related Irish word aoibhinn meaning "delightful, pleasant".
Aoife f Irish, Irish Mythology
From Old Irish Aífe, derived from oíph meaning "beauty" (modern Irish aoibh). This was the name of several characters in Irish legend, including a woman at war with Scáthach (her sister in some versions). She was defeated in single combat by the hero Cúchulainn, who spared her life on the condition that she bear him a child (Connla). Another legendary figure by this name appears in the Children of Lir as the jealous third wife of Lir.... [more]
Aonghas m Scottish Gaelic
Scottish Gaelic form of Aonghus.
Aonghus m Irish, Scottish Gaelic, Irish Mythology
From 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.
Arawn m Welsh Mythology
Meaning unknown. This was the name of the god of the underworld, called Annwfn, in Welsh mythology.
Ardal m Irish
Anglicized form of Ardghal.
Ardgal m Old Irish
Old Irish form of Ardghal.
Ardghal m Irish (Rare)
Means "high valour", derived from the Old Irish elements ard "high" and gal "valour".
Arianrhod f Welsh Mythology
Probably means "silver wheel" from Welsh arian "silver" and rhod "wheel". According to the Fourth Branch of the Mabinogi, Arianrhod was the mother of the twins Dylan and Lleu Llaw Gyffes, whom she spontaneously birthed when she stepped over a magical wand. It is speculated that in earlier myths she may have been a goddess of the moon.
Arianwen f Welsh
Derived from Welsh arian "silver" and gwen "white, blessed". This was the name of a 5th-century Welsh saint, one of the supposed daughters of Brychan Brycheiniog.
Arin f & m English (Rare)
Variant of Erin or Aaron.
Armel m Breton, French
Breton and French form of the Old Welsh name Arthmail, which was composed of the elements arth "bear" and mael "prince, chieftain". This was the name of a 6th-century Welsh saint who founded abbeys in Brittany.
Armelle f French
Feminine form of Armel.
Art m English
Short form of Arthur.
Artair m Scottish Gaelic
Scottish Gaelic form of Arthur.
Arthfael m Medieval Welsh
Medieval Welsh form of Armel.
Arthmail m Old Welsh
Old Welsh form of Armel.
Arthur m English, French, German, Dutch, Norwegian, Danish, Swedish, Welsh Mythology, Arthurian Cycle
The meaning of this name is unknown. It could be derived from the Celtic elements *artos "bear" (Old Welsh arth) combined with *wiros "man" (Old Welsh gur) or *rīxs "king" (Old Welsh ri). Alternatively it could be related to an obscure Roman family name Artorius.... [more]
Artie m & f English
Diminutive and feminine form of Arthur.
Arto m Finnish
Finnish short form of Arthur.
Arttu m Finnish
Finnish short form of Arthur.
Artturi m Finnish
Finnish form of Arthur.
Artúr m Hungarian
Hungarian form of Arthur.
Artūras m Lithuanian
Lithuanian form of Arthur.
Arturo m Italian, Spanish
Italian and Spanish form of Arthur.
Artūrs m Latvian
Latvian form of Arthur.
Arwyn m Welsh
From the Welsh intensifying prefix ar- and gwyn meaning "white, blessed".
Arzhel m Breton
Breton form of Armel.
Bairre m Irish
Diminutive of Finbar or Bairrfhionn.
Bairrfhionn m Irish (Rare)
Means "fair-haired", derived from Old Irish barr "top, head" and finn "white, blessed".
Balor m Irish Mythology
Meaning uncertain. In Irish mythology Balor was a giant king of the Fomorians. He had an evil eye that could destroy opposing armies, though it took four men to pull open the eyelid. In battle with the Tuatha Dé Danann he slew their king Nuada, but was himself killed when the hero Lugh shot a stone into his eye.
Barra m Irish
Diminutive of Finbar or Bairrfhionn.
Barrie m English
Variant of Barry.
Barry m Irish, English
Anglicized form of Barra.
Baz m English (British)
Chiefly British diminutive of Barry or Basil 1.
Bazza m English (British)
Chiefly British diminutive of Barry or Basil 1.
Bearach m Irish (Rare)
Modern Irish form of Berach.
Beathag f Scottish Gaelic
Feminine form of Beathan.
Beathan m Scottish Gaelic
Derived from a diminutive of Scottish Gaelic beatha meaning "life".
Bébhinn f Irish (Rare)
Modern form of Bébinn.
Bébinn f Old Irish, Irish Mythology
Means "white woman", from Old Irish "woman" and finn "white, blessed". This name was borne by several characters in Irish mythology, including the mother of the hero Fráech.
Bedelia f Irish
Irish diminutive of Bridget.
Bedivere m Welsh Mythology, Arthurian Cycle
From the Welsh name Bedwyr, possibly from bedwen "birch" and gwr "man". In Arthurian legends Bedivere was one of the original companions of King Arthur. He first appears in early Welsh tales, and his story was later expanded by Geoffrey of Monmouth in the 12th century. He is the one who throws the sword Excalibur into the lake at the request of the dying Arthur.
Belenus m Gaulish Mythology
Latinized form of Gaulish Belenos or Belinos, possibly from Celtic roots meaning either "bright, brilliant" (from Indo-European *bhel-) or "strong" (from Indo-European *bel-). This was the name of a Gaulish god who was often equated with Apollo. He is mostly known from Gallo-Roman inscriptions and was especially venerated in Aquileia in northern Italy.
Beli m Welsh Mythology
Probably a Welsh derivative of Belenus. Beli Mawr was a Welsh ancestor deity who established several royal lines in Wales.
Belladonna f Various
From the name of a toxic plant, also called deadly nightshade (species Atropa belladonna). The plant's name is of Italian origin, probably derived from Latin bladona "mullein plant" and altered through association with the Italian words bella "beautiful, fair" and donna "lady".
Bendigeidfran m Welsh Mythology
From Welsh bendigaid "blessed" combined with the lenited form of the name Brân. This is another name for Brân the Blessed.
Berach m Old Irish
Derived from Old Irish berach meaning "sharp, pointed". This was the name of a 6th-century Irish saint.
Berith f Swedish
Variant of Berit.
Berry 1 m English
Variant of Barry.
Berwyn m Welsh
Means "white top" from the Welsh elements barr "top, head" and gwyn "white, blessed". This is the name of a mountain range in Wales.
Bevin f Irish (Rare)
Anglicized form of Bébinn.
Biddy f Irish, English
Diminutive of Bridget.
Bidelia f Irish (Rare)
Diminutive of Bridget.
Bile m Irish Mythology
Possibly an Irish form of Belenus, though it may derive from an Irish word meaning "sacred tree, scion, hero". In Irish mythology this was the name of one of the Milesians who was drowned while invading Ireland.
Birgit f Danish, Swedish, Norwegian, Estonian, German
Scandinavian variant of Birgitta.
Birgitta f Swedish, Norwegian, Danish, Icelandic, Finnish
Most likely a Scandinavian form of Bridget via the Latinized form Brigitta. Alternatively it could be a feminine derivative of Birger. This is the name of the patron saint of Europe, Birgitta of Sweden, the 14th-century founder of the Bridgettine nuns. Her father's name was Birger.
Birgitte f Danish, Norwegian
Danish form of Birgitta.
Birita f Faroese
Faroese form of Bridget.
Birta f Icelandic
Icelandic diminutive of Birgitta.
Birte f Danish
Danish diminutive of Birgitta.
Birthe f Danish
Danish diminutive of Birgitta.
Bláán m Old Irish
From Old Irish blá meaning "yellow" combined with a diminutive suffix. This was the name of 6th-century Irish saint, a bishop of Kingarth on the Isle of Bute in Scotland.
Blaanid f Manx
Manx form of Bláthnat.
Blaine m English
From a Scottish surname that was derived from the Old Irish given name Bláán.
Bláithín f Irish, Irish Mythology
Modern Irish form of Bláthíne.
Blanid f Irish
Anglicized form of Bláthnat.
Bláthíne f Irish Mythology
Variant of Bláthnat using a different diminutive suffix, used in some versions of the legend.
Bláthnaid f Irish, Irish Mythology
Modern Irish form of Bláthnat.
Bláthnat f Irish Mythology
Means "little flower" from Irish bláth "flower" combined with a diminutive suffix. In Irish legend she was a maiden abducted and married by Cú Roí. She was rescued by Cúchulainn, who killed her husband, but was in turn murdered by one of Cú Roí's loyal servants.
Bleddyn m Welsh
From Welsh blaidd "wolf" combined with a diminutive suffix. This was the name of an 11th-century king of Gwynedd and Powys.
Blodeuedd f Welsh Mythology
Means "flowers" in Welsh. This was the original name of Blodeuwedd.
Blodeuwedd f Welsh Mythology
Means "face of flowers" in Welsh. According to the Fourth Branch of the Mabinogi, she was created out of flowers by Gwydion to be the wife of his nephew Lleu Llaw Gyffes. Originally she was named Blodeuedd meaning simply "flowers". She was eventually transformed into an owl by Gwydion after she and her lover Gronw attempted to murder Lleu, at which point he renamed her Blodeuwedd.
Blodeuyn f Welsh (Rare)
Means "flower" in Welsh.
Blodwen f Welsh
Means "white flowers" from Welsh blodau "flowers" combined with gwen "white, blessed". This is the name of an 1878 Welsh opera by Joseph Parry.
Boadicea f Brythonic (Latinized)
Medieval variant of Boudicca, possibly arising from a scribal error.
Boann f Irish Mythology
Possibly from Old Irish "cow" and finn "white, blessed". In Irish mythology this was the name of the goddess of the River Boyne, which is named for her. She was the wife of Nechtan and the father of Aonghus (by Dagda).
Bóinn f Irish Mythology
Modern Irish form of Boann.
Boudicca f Brythonic (Latinized)
Derived from Brythonic boud meaning "victory". This was the name of a 1st-century queen of the Iceni who led the Britons in revolt against the Romans. Eventually her forces were defeated and she committed suicide. Her name is first recorded in Roman histories, as Boudicca by Tacitus and Βουδουῖκα (Boudouika) by Cassius Dio.
Brajan m Polish (Modern)
Polish form of Brian.
Brân m Welsh Mythology
Means "raven" in Welsh. According to the Second Branch of the Mabinogi, Brân the Blessed (called Bendigeidfran) was a giant king of Britain. He was the son of the divine figure Llŷr. After his sister Branwen was mistreated by her husband the Irish king Matholwch, Brân led an attack on Ireland (the text says that he was so big he was able to wade there). Although victorious, the British lost all except seven men with Brân being mortally wounded by a poisoned spear. He asked the survivors to cut of his head and return with it to Britain. The head continued to speak for many years until it was buried in London.
Bran 1 m Irish, Irish Mythology, Old Irish
Means "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.
Bran 2 m Welsh Mythology
Unaccented variant of Brân. This is also the Middle Welsh form.
Brandán m Galician
Galician form of Brendan.
Brannon m English
From an Irish surname, a variant of Brennan.
Branwen f Welsh, Welsh Mythology
Means "white raven" from Old Welsh bran "raven" and gwen "white, blessed". According to the Second Branch of the Mabinogi she was the daughter of Llŷr. After she was mistreated by her husband Matholwch, the king of Ireland, she managed to get a message to her brother Brân, the king of Britain. Brân launched a costly invasion to rescue her, but she died of grief shortly after her return.
Bréanainn m Old Irish
Old Irish form of Brendan.
Breandán m Irish
Irish Gaelic form of Brendan.
Breann f English (Modern)
Feminine form of Brian.
Breanna f English
Variant of Briana.
Breanne f English (Modern)
Feminine form of Brian.
Breda 1 f Irish
Anglicized form of Bríd.
Bree f English
Anglicized form of Brígh. It can also be a short form of Brianna, Gabriella and other names containing bri.
Breeshey f Manx
Manx form of Bridget.
Brenda f English
Possibly a feminine form of the Old Norse name Brandr, meaning "fire, torch, sword", which was brought to Britain in the Middle Ages. This name is sometimes used as a feminine form of Brendan.
Brendan m Irish, English, Breton
From 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.
Brendanus m Old Irish (Latinized)
Latinized form of Bréanainn (see Brendan).
Brenden m English
Variant of Brendan.
Brendon m English
Variant of Brendan.
Brenna f English
Possibly a variant of Brenda or a feminine form of Brennan.
Brennan m English
From an Irish surname (Anglicized from Irish Gaelic Ó Braonáin) that was derived from the byname Braonán, itself from Irish braon meaning "rain, moisture, drop" combined with a diminutive suffix. As a given name, it has been used since the 1960s as an alternative to Brendan or Brandon, though it has not been as popular as them.
Brennus m Gaulish (Latinized)
Latinized form of a Celtic name (or title) that possibly meant either "king, prince" or "raven". Brennus was a Gallic leader of the 4th century BC who attacked and sacked Rome.
Breno m Portuguese
Portuguese form of Brennus.
Bret m English
Variant of Brett.
Brett m English
From a Middle English surname meaning "a Breton", referring to an inhabitant of Brittany. A famous bearer is the American football quarterback Brett Favre (1969-).
Bria f English
Short form of Brianna, Gabriella and other names containing bri.
Brian m English, Irish, Old Irish
Meaning 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.
Briana f English
Feminine form of Brian. It appears in Edmund Spenser's epic poem The Faerie Queene (1590). The name was not commonly used until the 1970s, when it rapidly became popular in the United States.
Brianna f English
Variant of Briana. This is currently the more popular spelling of the name.
Brianne f English (Modern)
Feminine form of Brian.
Brice m French, English
From the name Bricius, which was probably a Latinized form of a Gaulish name meaning "speckled". This was the name of a 5th-century saint, a disciple of Saint Martin of Tours.
Bricius m Gaulish (Latinized)
Latin form of Brice, probably ultimately of Gaulish origin.
Bríd f Irish
Modern Irish form of Brighid.
Bride f Irish
Anglicized form of Bríd.
Bridget f Irish, English
Anglicized form of the Irish name Brighid, Old Irish Brigit, from old Celtic *Brigantī meaning "the exalted one". In Irish mythology this was the name of the goddess of fire, poetry and wisdom, the daughter of the god Dagda. In the 5th century it was borne by Saint Brigid, the founder of a monastery at Kildare and a patron saint of Ireland. Because of the saint, the name was considered sacred in Ireland, and it did not come into general use there until the 17th century. In the form Birgitta this name has been common in Scandinavia, made popular by the 14th-century Saint Birgitta of Sweden, patron saint of Europe.
Bridie f Irish
Anglicized diminutive of Bríd.
Brie f English
Short form of Brianna, Gabriella and other names containing bri.
Brígh f Irish Mythology
From Old Irish bríg meaning "might, power". This was the name of a daughter of the Irish god Dagda.
Brighid f Irish, Irish Mythology
Newer Irish form of Brigit (see Bridget). Since the 1948 spelling reform, this name is spelled Bríd.
Brigid f Irish, Irish Mythology
Irish variant of Brighid (see Bridget).
Brígida f Portuguese, Spanish
Portuguese and Spanish form of Bridget.
Brigida f Italian
Italian form of Bridget.
Brigita f Slovene, Croatian, Latvian, Czech, Slovak
Form of Bridget in several languages.
Brigitta f German, Dutch, Hungarian
German, Dutch and Hungarian form of Bridget.
Brigitte f French, German, Dutch
French and German form of Bridget. A famous bearer is the French model and actress Brigitte Bardot (1934-).
Brion m English
Variant of Brian.
Brit f Norwegian
Norwegian short form of Birgitta.
Britannia f English (Rare)
From the Latin name of the island of Britain, in occasional use as an English given name since the 18th century. This is also the name of the Roman female personification of Britain pictured on some British coins.
Britney f English (Modern)
Variant of Brittany. This name is borne by the American pop singer Britney Spears (1981-).
Britt f Swedish, Norwegian, Danish
Scandinavian short form of Birgitta.
Britta f Swedish, Norwegian, Danish
Scandinavian short form of Birgitta.
Brittany f English
From the name of the region of Brittany in the northwest of France, called in French Bretagne. It was named for the Britons who settled there after the fall of the Western Roman Empire and the invasions of the Anglo-Saxons.... [more]
Britton m English
Derived from a Middle English surname meaning "a Briton" (a Celt of England) or "a Breton" (an inhabitant of Brittany). Both ethnonyms are related to the place name Britain.
Broccán m Old Irish
Old Irish form of Brogán.
Broccomaglos m Brythonic (Hypothetical)
Possible Brythonic form of Brochfael.
Brochfael m Medieval Welsh
From Old Welsh Brochmail, from a Brythonic name *Broccomaglos, derived from Celtic *brokkos "badger" and *maglos "chief". This was the name of a 6th-century king of Powys, also known as Brochwel.
Brochmail m Old Welsh
Old Welsh form of Brochfael.
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.
Bron f Welsh
Short form of Bronwen.
Bronwen f Welsh
Seemingly derived from Welsh bron "breast" and gwen "white, blessed", though it has sometimes occurred as a variant spelling of the legendary name Branwen. It has been used as a given name in Wales since the 19th century. It is borne by a character in Richard Llewellyn's 1939 novel How Green Was My Valley, as well as the 1941 movie adaptation.
Bronwyn f English
Variant of Bronwen used in the English-speaking world (especially Australia and New Zealand).
Bryan m English
Variant of Brian, based on the usual spelling of the surname that is derived from the name.
Bryanne f English (Rare)
Feminine form of Brian.
Bryant m English
From an English surname that was derived from the given name Brian.
Bryce m English
Variant of Brice.
Brychan m Old Welsh
Derived from Welsh brych meaning "speckled, freckled" combined with a diminutive suffix. Brychan Brycheiniog was a legendary Welsh king, said to be Irish by birth, the founder of the kingdom of Brycheiniog in central Wales. He reputedly fathered dozens of children, many of whom are regarded as saints.
Brygida f Polish
Polish form of Bridget.
Brynmor m Welsh
From the Welsh place name Brynmawr meaning "great hill".
Bryon m English
Variant of Brian.
Bryson m English
From an English surname meaning "son of Brice". Starting in the 1970s this name began steadily growing in popularity, likely because it features the same popular sounds found in other names such as Brice and Tyson.
Byrne m English (Rare)
From an Irish surname, the Anglicized form of Ó Broin, which was derived from the given name Bran 1.
Cadell m Welsh (Rare)
From Old Welsh Catell, derived from cat "battle" and a diminutive suffix. This was the name of two early kings of Powys in Wales.
Cadeyrn m Welsh (Rare)
From Old Welsh Catigirn meaning "battle king", derived from cat "battle" and tigirn "king, monarch". This was the name of a 5th-century king of Powys in Wales, the son of Vortigern.
Cadfael m Welsh (Rare)
From Old Welsh Catmail meaning "battle prince", from cat "battle" and mael "prince". This was apparently the birth name of Saint Cadoc. It was used by the British author Ellis Peters for the main character in her books The Cadfael Chronicles, first released in 1977.
Cadfan m Old Welsh
From an Old Welsh name, recorded in Latinized forms such as Catamanus, meaning "battle peak" from cat "battle" and bann "peak". Saint Cadfan, from Brittany, was a 6th-century missionary to Wales.
Cadoc m Old Welsh
From an Old Welsh name, recorded in Latinized forms such as Catocus, derived from cat meaning "battle". This was the name of a 6th-century Welsh saint who was martyred by the Saxons.
Cadogan m Welsh (Rare)
Anglicized form of Cadwgan.
Cadwalader m Welsh (Rare)
Anglicized form of Cadwaladr.
Cadwaladr m Welsh
From Old Welsh Catgualatr (also recorded in many other spellings) meaning "leader of the battle", from cat "battle" and gwaladr "leader". This was the name of a 7th-century king of Gwynedd. According to Geoffrey of Monmouth he was the last king of all of the Britons. This name was also borne by a 7th-century Welsh saint.
Cadwgan m Welsh (Rare)
From Old Welsh Catguocaun (and many other spellings) meaning "glory in battle", from cat "battle" and guocaun "glory, honour". It appears briefly in the medieval Welsh tale The Dream of Rhonabwy.
Cáel m Irish Mythology
From Old Irish cáel meaning "slender". In Irish legend Cáel was a warrior of the Fianna and the lover of Créd.
Caelan m & f English
Anglicized form of Caolán (masculine) or a variant of Kaylyn (feminine).
Cáelfind f Old Irish
Old Irish form of Caoilfhionn.
Caerwyn m Welsh
Derived from the Welsh elements caer "fortress" and gwyn "white, blessed".
Cahal m Irish
Anglicized form of Cathal.
Cahir m Irish
Anglicized form of Irish Cathaoir, possibly meaning "battle man" from Old Irish cath "battle" and fer "man".
Cailean m Scottish Gaelic
Means "whelp, young dog" in Scottish Gaelic. This name was borne by Cailean Mór, a 13th-century Scottish lord and ancestor of Clan Campbell.
Caíndelbán m Old Irish
Derived from Old Irish caín "handsome" and delb "form, image" (with a diminutive suffix).
Cainnech m Old Irish
Old Irish form of Coinneach.
Callahan m English
From an Irish surname, the Anglicized form of Ó Ceallacháin, itself from the given name Cellachán.
Callan m English
From an Irish surname, the Anglicized form of Ó Cathaláin, derived from the given name Cathalán.
Caoilfhionn f Irish
Derived from the Old Irish elements cáel "slender" and finn "white, blessed". This was the name of several Irish saints.
Caoimhe f Irish
Derived from Irish caomh meaning "dear, beloved, gentle".
Caoimhín m Irish
Irish form of Kevin.
Caolán m Irish
From Irish caol meaning "slender" combined with the diminutive suffix -án.
Caomh m Irish (Rare)
Means "dear, beloved, gentle" in Irish.
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.
Cara f English
From an Italian word meaning "beloved" or an Irish word meaning "friend". It has been used as a given name since the 19th century, though it did not become popular until after the 1950s.
Caradog m Welsh, Arthurian Cycle
From the Old Welsh name Caratauc, a Welsh form of Caratācos. This is the name of several figures in Welsh history and legend, including an 8th-century king of Gwynedd, a 12th-century saint, and a son of Brân the Blessed. In Arthurian romance Caradog is a Knight of the Round Table. He first appears in Welsh poems, with his story expanded by French authors such as Chrétien de Troyes.
Caratācos m Brythonic (Hypothetical)
Possible Brythonic form of Caratacus.
Caratacus m Brythonic (Latinized)
Latinized form of the Brythonic name *Caratācos meaning "loved", derived from the old Celtic root *karu "to love". According to Roman writers, this was the name of a 1st-century British chieftain who rebelled against Roman rule.
Caratauc m Old Welsh
Old Welsh form of Caradog.
Carey m & f English
From an Irish surname, the Anglicized form of Ó Ciardha, which is a patronymic derived from the given name Ciardha.
Carlisle m & f English (Rare)
From a surname that was derived from the name of a city in northern England. The city was originally called by the Romans Luguvalium meaning "stronghold of Lugus". Later the Brythonic element ker "fort" was appended to the name of the city.
Carlyle m English
Variant of Carlisle.
Carrol m & f English
Variant of Carroll (masculine) or Carol 1 (feminine).
Carroll m Irish
Anglicized 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.
Carthach m Old Irish
Means "loving" in Irish. This was the name of two Irish saints, from the 6th and 7th centuries.
Carwyn m Welsh
Derived from Welsh caru "to love" and gwyn "white, blessed". This name was created in the 20th century.
Cary m & f English
Variant of Carey. A famous bearer was the British-American actor Cary Grant (1904-1986).
Carys f Welsh
Derived from Welsh caru meaning "love". This is a relatively modern Welsh name, in common use only since the middle of the 20th century.
Case m English (Modern)
Short form of Casey.
Casey m & f English
From an Irish surname, an Anglicized form of Ó Cathasaigh, a patronymic derived from the given name Cathassach. This name can be given in honour of Casey Jones (1863-1900), a train engineer who sacrificed his life to save his passengers. In his case, Casey was a nickname acquired because he was raised in the town of Cayce, Kentucky.
Catell m Old Welsh
Old Welsh form of Cadell.
Catguocaun m Old Welsh
Old Welsh form of Cadwgan.
Cathair m Irish
Variant of Cathaoir.
Cathal m Irish, Old Irish
Derived 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.
Cathalán m Old Irish
Diminutive of Cathal.
Cathán m Old Irish
Derived from Old Irish cath "battle" combined with a diminutive suffix. Saint Cathán was a 6th-century Irish monk, a missionary to the Isle of Bute.
Cathaoir m Irish (Rare)
Irish Gaelic form of Cahir.
Cathassach m Old Irish
Means "vigilant" in Irish.
Cavan m English
Either from the name of the Irish county, which is derived from Irish cabhán "hollow", or else from the Irish surname Cavan.
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 Irish
From Old Irish Cerball, probably from cerb meaning "pointed, sharp, cutting". This was the name of a few medieval Irish kings.
Cédric m French
French form of Cedric.
Cedric m English
Invented by Walter Scott for a character in his novel Ivanhoe (1819). Apparently he based it on the actual name Cerdic, the name of the semi-legendary founder of the kingdom of Wessex in the 6th century. The meaning of Cerdic is uncertain, but it does not appear to be Old English in origin. It could be connected to the Brythonic name Caratācos. The name was also used by Frances Hodgson Burnett for the main character in her novel Little Lord Fauntleroy (1886).
Cefin m Welsh
Welsh form of Kevin.
Céibhfhionn f Irish Mythology
Means "fair-haired", from Old Irish ciab "locks, hair" and finn "white, blessed". In Irish legend this was the name of one of the three daughters of Bec mac Buain.
Ceinwen f Welsh
Derived from Welsh cain "good, lovely" and gwen "white, blessed". This was the name of a 5th-century Welsh saint also known as Cain or Keyne.
Cellach m Old Irish
Old Irish form of Ceallach.
Cellachán m Old Irish
Diminutive of Cellach. This name was borne by a 10th-century king of Munster.
Cennétig m Old Irish
Old Irish byname meaning either "armoured head" or "misshapen head" (Old Irish cenn "head" and étiud "armour, clothing" or étig "ugly, misshapen"). This was the name of an Irish king, the father of Brian Boru.
Cerball m Old Irish
Old Irish form of Cearbhall.
Cerdic m Anglo-Saxon
Earlier form of Cedric, possibly of Brythonic origin.
Ceri f & m Welsh
Meaning uncertain. It could come from the name of the Ceri River in Ceredigion, Wales; it could be a short form of Ceridwen; it could be derived from Welsh caru meaning "to love".
Cernunnos m Gaulish Mythology (Latinized)
Means "great horned one", from Celtic *karnos "horn" and the divine or augmentative suffix -on. This was the name of the Celtic god of fertility, animals, wealth, and the underworld. He was usually depicted having antlers, and was identified with the Roman god Mercury.
Cerys f Welsh
Variant of Carys.
Cian m Irish, Irish Mythology, Old Irish
Means "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.
Cianán m Irish, Old Irish
Diminutive of Cian. This was the name of a 5th-century Irish saint.
Ciannait f Irish
Feminine form of Cian.
Ciar m & f Irish, Irish Mythology, Old Irish
Derived 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.
Ciara 1 f Irish
Feminine form of Ciar. This is another name for Saint Ciar.
Ciarán m Irish, Old Irish
Diminutive 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.
Ciardha m Medieval Irish
Irish byname derived from ciar meaning "black".
Cináed m Medieval Scottish, Old Irish
Possibly from Old Irish cin "respect, esteem, affection" or cinid "be born, come into being" combined with áed "fire", though it might actually be of Pictish origin. This was the name of the first king of the Scots and Picts (9th century). It is often Anglicized as Kenneth. The originally unrelated name Coinneach is sometimes used as the modern Scottish Gaelic form.
Cionaodh m Irish (Rare)
Modern Irish form of Cináed.
Cledwyn m Welsh
Possibly derived from Welsh caled "rough, hard" and gwyn "white, blessed". This is the name of a small river (Cledwen) in Conwy, Wales.
Cleena f Irish Mythology
Anglicized form of Clíodhna.
Clídna f Irish Mythology
Old Irish form of Clíodhna.
Clíodhna f Irish, Irish Mythology
Meaning unknown. In Irish legend this was the name of a beautiful goddess. She fell in love with a mortal named Ciabhán and left the Land of Promise with him, but when she arrived on the other shore she was swept to sea by a great wave.
Clíona f Irish
Variant of Clíodhna.