Browse Names

Áed m Old Irish, Irish Mythology
Old Irish form of Aodh.

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.

Aífe f Irish Mythology, Old Irish
Old Irish form of Aoife.

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 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.

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.

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.

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.

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]

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.

Aranrhod f Welsh Mythology
Variant of Arianrhod.

Arawn m Welsh Mythology
Meaning unknown. This was the name of the god of the underworld, called Annwfn, in Welsh mythology.

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.

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]

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.

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.

Bláithín f Irish, Irish Mythology
Modern Irish form of Bláthíne.

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.

Boann f Irish Mythology
Possibly from Old Irish bó "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).

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.

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.

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.

Cai 2 m Welsh Mythology, Arthurian Cycle
Welsh form of Kay 2.

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.

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.

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.

Conall m Irish, Old Irish, Irish Mythology
Means "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.

Conchobar m Old Irish, Irish Mythology
Derived from Old Irish cú "hound, dog, wolf" (genitive con) and cobar "desiring". It has been in use in Ireland for centuries and was the name of several Irish rulers. It was borne by the Ulster king Conchobar mac Nessa, one of the central characters in the Ulster Cycle of Irish mythology, known for his tragic desire for Deirdre and his war with Queen Medb of Connacht.

Conchobhar m Irish Mythology
Modern Irish form of Conchobar.

Conlaoch m Irish Mythology
Variant of Connla.

Connla m Irish Mythology
From Old Irish Conláech, derived from cú "hound, dog, wolf" (genitive con) and láech "warrior". This was the name of several characters in Irish legend including the son of Cúchulainn and Aoife. When he finally met his father they fought because Connla would not identify himself, and the son was slain.

Cormac m Irish Mythology, Irish
From 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.

Cormacc m Irish Mythology, Old Irish
Old Irish form of Cormac.

Creiddylad f Welsh Mythology
From Middle Welsh Creidylat, of uncertain meaning, possibly from craidd "heart, center" or crau "blood" combined with dylad "flood". In the Welsh tale Culhwch and Olwen this is the name of the beautiful daughter of Lludd Llaw Ereint, loved by both Gwyn and Gwythyr. Her name is allegedly the basis for Cordelia.

Cú Chulainn m Irish Mythology
Variant of Cúchulainn.

Cúchulainn m Irish Mythology
Means "hound of Culann" in Irish. This was the usual name of the warrior hero who was named Sétanta at birth, given to him because he took the place of one of Culann's hounds after he accidentally killed it. The Ulster Cycle of Irish mythology tells of Cúchulainn's many adventures, including his single-handed defence of Ulster against the army of Queen Medb.

Culann m Irish Mythology
Meaning unknown. This was the name of a smith in Irish legend. After Sétanta killed one of his dogs in self-defence, Sétanta took the place of the dog and was thereafter known as Cúchulainn.

Dagda m Irish Mythology
Means "the good god" from the Old Irish prefix dag- "good" and día "god". In Irish myth Dagda (called also The Dagda) was the powerful god of the earth, knowledge, magic, abundance and treaties, a leader of the Tuatha Dé Danann. He was skilled in combat and healing and possessed a huge club, the handle of which could revive the dead.

Dáire m Irish, Irish Mythology
Means "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.

Daireann f Irish Mythology
Variant of Doireann.

Dáirine f Irish, Irish Mythology
Possibly derived from Dáire. This was the name of the daughter of the legendary Irish king Túathal Techtmar.

Diarmaid m Irish, Irish Mythology
Meaning 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.

Diarmait m Old Irish, Irish Mythology
Old Irish form of Diarmaid.

Diarmuid m Irish, Irish Mythology
Variant of Diarmaid.

Doireann f Irish, Irish Mythology
Possibly from the Old Irish prefix der "daughter" and finn "white, blessed". Alternatively it may be derived from Irish doireann "sullen, tempestuous". This was the name of several characters in Irish legend, including a daughter of Bodb Derg who poisoned Fionn mac Cumhaill after he spurned her advances.

Dylan m Welsh, English, Welsh Mythology
From the Welsh prefix dy meaning "to, toward" and llanw meaning "tide, flow". According to the Fourth Branch of the Mabinogi, Dylan was a son of Arianrhod and the twin brother of Lleu Llaw Gyffes. Immediately after he was baptized he took to the sea, where he could swim as well as a fish. He was slain accidentally by his uncle Gofannon. According to some theories the character might be rooted in an earlier and otherwise unattested Celtic god of the sea.... [more]

Eadán f Irish Mythology
Modern Irish form of Étan.

Éadaoin f Irish, Irish Mythology
Modern Irish form of Étaín.

Éibhear m Irish Mythology
From Old Irish Éber, meaning uncertain. According to Irish legend this name belonged to two of the sons of Míl, Éibhear Dunn and Éibhear Finn, the first of the Gaels to conquer Ireland.

Éimhear f Irish, Irish Mythology
Modern Irish form of Emer.

Eógan m Old Irish, Irish Mythology
Old Irish form of Eoghan.

Eoghan m Irish, Irish Mythology
Possibly 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.

Epona f Gaulish Mythology
Derived from Gaulish epos meaning "horse" with the divine or augmentative suffix -on. This was the name of a Gaulish goddess of horses and fertility. She was worshipped not only in Gaul, but elsewhere in the Roman Empire.

Étaín f Irish, Irish Mythology, Old Irish
Possibly derived from Old Irish ét meaning "jealousy, passion". In Irish legend she is the subject of the 9th-century tale The Wooing of Étaín. She was the wife of Midir, but his jealous first wife Fuamnach transformed her into a fly. She was accidentally swallowed, and then reborn to the woman who swallowed her. After she grew again to adulthood she married the Irish high king Eochaid Airem, having no memory of Midir. Midir and Étaín were eventually reunited after Midir defeated Eochaid in a game of chess.... [more]

Étan f Irish Mythology
Possibly a variant of Étaín. In Irish mythology she was the daughter of Dian Cécht, the god of healing.

Fachtna m Irish, Old Irish, Irish Mythology
Possibly from Old Irish facht meaning "malice". This was the name of a legendary high king of Ireland, said in some traditions to be the husband of Neasa and the father of Conchobar.

Fearghas m Irish, Scottish Gaelic, Irish Mythology
Irish and Scottish Gaelic form of Fergus.

Fiachna m Irish Mythology, Old Irish
Derived from Irish fiach meaning "raven". This is the name of several characters from Irish legend. It was also borne by Fiachna mac Báetáin, a 7th-century king of Dál Araide.

Fiachra m Irish, Irish Mythology
From 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.

Fiachrae m Old Irish, Irish Mythology
Old Irish form of Fiachra.

Finnguala f Irish Mythology
Older form of Fionnuala.

Fintan m Irish, Irish Mythology, Old Irish
Possibly 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.

Fionnghuala f Irish, Irish Mythology
Variant of Fionnuala.

Fionnuala f Irish, Irish Mythology
Means "white shoulder" from Old Irish finn "white, blessed" and gúala "shoulder". In Irish legend Fionnuala was one of the four children of Lir who were transformed into swans for a period of 900 years.

Geraint m Welsh, Welsh Mythology, Arthurian Cycle
Meaning unknown, possibly a Welsh form of Gerontius. This was the name of a figure in various Welsh legends. He was also incorporated into Arthurian tales (the romance Geraint and Enid) as one of the Knights of the Round Table and the husband of Enid.

Gobannos m Gaulish Mythology
From old Celtic *goban meaning "smith". This was the name of a scantily attested Gaulish smith god.

Gofannon m Welsh Mythology
From Welsh gof meaning "smith". This was the name of a smith in Welsh legends. He is possibly a later development of an earlier Celtic god (seen also in Gaulish Gobannos and Irish Goibniu).

Govannon m Welsh Mythology
Variant of Gofannon.

Gráinne f Irish, Irish Mythology, Old Irish
Possibly derived from Old Irish grán meaning "grain" or gráin meaning "hatred, fear". In the Irish legend The Pursuit of Diarmaid and Gráinne she escaped from her arranged marriage to Fionn mac Cumhaill by fleeing with her lover Diarmaid. Another famous bearer was the powerful 16th-century Irish landowner and seafarer Gráinne Ní Mháille (known in English as Grace O'Malley), who was sometimes portrayed as a pirate queen in later tales.

Gwalchmai m Welsh Mythology
Derived from Welsh gwalch "hawk", possibly combined with Mai "May (month)" or mai "field, plain". This is the name of a character in Welsh legend (appearing in Culhwch and Olwen for example). He is probably the antecedent of Gawain from later Arthurian romance.

Gwalchmei m Welsh Mythology
Variant of Gwalchmai.

Gwawl m Welsh Mythology
Means "wall" in Welsh. In the First Branch of the Mabinogi Gwawl is an unwelcome suitor of Rhiannon.

Gwenhwyfar f Welsh Mythology, Arthurian Cycle
Welsh form of Guinevere.

Kay 2 m Welsh Mythology, Arthurian Cycle
From the Welsh name Cai or Cei, possibly a form of the Roman name Gaius. Sir Kay was one of the Knights of the Round Table in Arthurian legend. He first appears in Welsh tales as a brave companion of Arthur. In later medieval tales, notably those by the 12th-century French poet Chrétien de Troyes, he is portrayed as an unrefined boor.

Lóegaire m Irish Mythology, Old Irish
Means "calf herder", derived from Old Irish lóeg "calf". In Irish legend Lóegaire Búadach was an Ulster warrior. He saved the life of the poet Áed, but died in the process. This was also the name of several Irish high kings.

Lugaid m Old Irish, Irish Mythology
Old Irish form of Lughaidh.

Lughaidh m Irish Mythology
From Old Irish Lugaid, a combination of the name of the mythological figure Lugh and Old Irish dech "honour, better". This was the name of several characters in Irish legend, including the king Lugaid mac Con.

Mabon m Welsh Mythology
Later Welsh form of Maponos. In the Welsh tale Culhwch and Olwen he is a prisoner freed by Arthur's warriors in order to help hunt the great boar Trwyth. His mother is Modron.

Macsen m Welsh Mythology
Welsh form of Maximus. Magnus Maximus (known as Macsen Wledig in Welsh) was a 4th-century co-ruler of the Western Roman Empire. In Wales he was regarded as the founder of several royal lineages. He appears in the medieval Welsh tale The Dream of Macsen.

Maeve f Irish, English, Irish Mythology
Anglicized form of the Irish name Medb meaning "intoxicating". In Irish legend this was the name of a warrior queen of Connacht. She and her husband Ailill fought against the Ulster king Conchobar and the hero Cúchulainn, as told in the Irish epic The Cattle Raid of Cooley.

Manannán m Irish Mythology
Probably from the name of the Isle of Man, itself possibly from the Celtic root *moniyo- meaning "mountain". In Irish mythology Manannán mac Lir was a god of the sea and one of the Tuatha Dé Danann.

Manawydan m Welsh Mythology
Welsh cognate of Manannán. According to the Mabinogi he was a son of Llŷr, and the brother of Brân and Branwen. He participated in his brother's invasion of Ireland, and was one of only seven warriors to return. Afterwards he became a companion of Pryderi and married his widowed mother Rhiannon.

Maponos m Celtic Mythology
Means "great son", from the Celtic root *makwos meaning "son" (Gaulish and Brythonic mapos) combined with the divine or augmentative suffix -on. This was the name of a god of youth worshipped in Gaul and Britain. He was commonly equated with the Greco-Roman god Apollo.

Math m Welsh Mythology
Possibly from the old Celtic root *matus meaning "bear". According to the Fourth Branch of the Mabinogi, Math ap Mathonwy was a king of Gwynedd and a magician. Whenever he was not at war, it was required that he rest his feet in the lap of a virgin. He was the uncle of the hero Gwydion, with whom he shared most of his adventures.

Matrona 2 f Celtic Mythology
Means "great mother", from Celtic *mātīr meaning "mother" and the divine or augmentative suffix -on. This was the name of a Gaulish and Brythonic mother goddess, the namesake of the River Marne.

Méabh f Irish, Irish Mythology
Modern Irish form of Medb (see Maeve).

Meadhbh f Irish, Irish Mythology
Modern Irish form of Medb (see Maeve).

Medraut m Welsh Mythology, Arthurian Cycle
Welsh form of Mordred.

Morrígan f Irish Mythology
Means either "demon queen" or "great queen", derived from Old Irish mor "demon, evil spirit" or mór "great, big" combined with rígain "queen". In Irish mythology Morrígan (called also The Morrígan) was a goddess of war and death who often took the form of a crow.

Mórríghan f Irish Mythology
Variant of Morrígan.

Mór-Ríoghain f Irish Mythology
Modern Irish form of Morrígan.

Muireann f Irish, Irish Mythology
Variant of Muirenn.

Naoise m Irish, Irish Mythology
Meaning 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.

Neas f Irish Mythology
Old Irish form of Neasa.

Neasa f Irish, Irish Mythology
From Old Irish Ness, meaning uncertain. In Irish legend she was the mother of Conchobar. She installed her son as king of Ulster by convincing Fergus mac Róich (her husband and Conchobar's stepfather) to give up his throne to the boy for a year and then helping him rule so astutely that the Ulstermen demanded that he remain as king. According to some versions of the legend she was originally named Assa "gentle", but was renamed Ní-assa "not gentle" after she sought to avenge the murders of her foster fathers.

Nechtan m Irish Mythology, Old Irish
Irish name of uncertain meaning, possibly from a Celtic root meaning "damp" (cognate with Neptune). In Irish mythology Nechtan was the husband of Boann, the goddess of the River Boyne. He is sometimes identified with Nuada. This name was borne by the 5th-century Saint Nectan of Hartland in Devon, who was supposedly born in Ireland. It was also the name of several kings of the Picts (described mostly from Gaelic sources, this may represent a Pictish cognate).

Nessa 3 f Irish, Irish Mythology
Anglicized form of Neasa.

Níam f Irish Mythology
Old Irish form of Niamh.

Niamh f Irish, Irish Mythology
Means "bright" in Irish. She was the daughter of the sea god Manannán mac Lir in Irish legends. She fell in love with the poet Oisín, the son of Fionn mac Cumhaill. It has been used as a given name for people only since the early 20th century.

Nuada m Irish Mythology
From Old Irish Nuadu, probably from Nodens. In Irish mythology he was the first king of the Tuatha Dé Danann. After he lost an arm in battle it was replaced with one made from silver, and he received the byname Airgetlám meaning "silver hand". He was later killed fighting the monstrous Fomorians led by Balor. This name was also borne by a few semi-legendary Irish kings.

Nuadha m Irish Mythology
Modern Irish form of Nuada.

Nuadu m Irish Mythology, Old Irish
Old Irish form of Nuada.

Oscar m English, Irish, Portuguese (Brazilian), Italian, Swedish, Norwegian, Danish, Dutch, French, Irish Mythology
Possibly 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]

Parthalán m Irish Mythology
Modern Irish form of Partholón.

Partholón m Irish Mythology
Probably from the Biblical Latin name Bartholomeus (see Bartholomew). According to the 11th-century Irish history the Book of Invasions, he was the leader of the first group of settlers to arrive on Ireland after the biblical flood, though they soon all died of disease. Earlier, he briefly appears in the form Partholomus in the 9th-century History of the Britons, written in Latin.

Rhiannon f Welsh, English, Welsh Mythology
Probably derived from an unattested Celtic name *Rīgantonā meaning "great queen" (Celtic *rīganī "queen" and the divine or augmentative suffix -on). It is speculated that Rigantona was an old Celtic goddess, perhaps associated with fertility and horses like the Gaulish Epona. As Rhiannon, she appears in Welsh legend in the Mabinogi as a beautiful magical woman who rides a white horse. She was betrothed against her will to Gwawl, but cunningly broke off that engagement and married Pwyll instead. Their son was Pryderi.... [more]

Rigantona f Celtic Mythology (Hypothetical)
Reconstructed old Celtic form of Rhiannon.

Ríghnach f Irish Mythology
Variant of Ríoghnach.

Ríoghnach f Irish Mythology
Derived from Old Irish rígain meaning "queen". According to some sources, this was the name of a wife of the semi-legendary Irish king Niall of the Nine Hostages.

Sabia f Irish Mythology
Latinized form of Sadb.

Sadb f Irish Mythology, Old Irish
Probably derived from the old Celtic root *swādu- meaning "sweet". This was a common name in medieval Ireland. In Irish mythology Sadb was a woman transformed into a deer. She was the mother of Oisín by Fionn mac Cumhaill.

Sadbh f Irish Mythology
Variant of Sadb.

Sadhbh f Irish, Irish Mythology
Modern Irish form of Sadb.

Saraid f Irish, Irish Mythology
From Old Irish Sárait, derived from sár meaning "excellent". This was the name of a daughter of the legendary high king of Ireland, Conn of the Hundred Battles.

Sárait f Irish Mythology
Old Irish form of Saraid.

Scáthach f Irish Mythology
Means "shadowy" in Irish. In Irish legend this was the name of a warrior woman. She instructed Cúchulainn in the arts of war, and he in turn helped her defeat her rival Aoife.

Ségdae m Old Irish, Irish Mythology
Old Irish form of Séaghdha.

Sinann f Irish Mythology
Older form of Sionann.

Sionann f Irish Mythology
In Irish legend this was the name of a granddaughter of the sea god Lir who went to Connla's Well, which was forbidden. The well burst and drowned her, leaving her body in the river thereafter known as the Sionainn (see Shannon).

Sláine f & m Old Irish, Irish Mythology
From Old Irish slán meaning "health, safety". This was the name of a legendary high king of Ireland, one of the Fir Bolg. It was also the name of a daughter of the 11th-century high king Brian Boru.

Tadg m Old Irish, Irish Mythology
Old Irish form of Tadhg.

Tadhg m Irish, Irish Mythology
From 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.

Taliesin m Welsh, Welsh Mythology
Means "shining brow", derived from Welsh tal "brow, head" and iesin "shining, radiant". This was the name of a semi-legendary 6th-century Welsh poet and bard, supposedly the author of the collection of poems the Book of Taliesin. He appears briefly in the Welsh legend Culhwch and Olwen and the Second Branch of the Mabinogi. He is the central character in the Tale of Taliesin, a medieval legend recorded in the 16th century, which tells how Ceridwen's servant Gwion Bach was reborn to her as Taliesin; how he becomes the bard for Elffin; and how Taliesin defends Elffin from the machinations of the king Maelgwn Gwynedd.

Taran m Welsh Mythology, Pictish
Means "thunder" in Welsh, from the old Celtic root *toranos. It appears briefly in the Second Branch of the Mabinogi. The name is cognate to that of the Gaulish god Taranis. It was also borne by the 7th-century Pictish king Taran mac Ainftech.

Taranis m Gaulish Mythology
Derived from the old Celtic root *toranos meaning "thunder", cognate with Þórr (see Thor). This was the name of the Gaulish thunder god, who was often identified with the Roman god Jupiter.

Toutatis m Gaulish Mythology
Probably derived from the old Celtic root *toutā meaning "people, tribe". This was the name of a Gaulish god who may have been regarded as the protector of the people or tribe.