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.
Taffy m WelshAnglicized form of
Dafydd. It has been used as a slang term for a Welshman.
Talfryn m WelshFrom a Welsh place name meaning
"front hill", derived from Welsh
tal "front, extremity" and
bryn "hill".
Taliesin m Welsh, Welsh MythologyMeans
"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.
Talulla f Irish (Rare)Anglicized form of the Old Irish name
Taileflaith,
Tuileflaith or
Tuilelaith, probably from
tuile "abundance" and
flaith "ruler, sovereign, princess". This was the name of an early saint, an abbess of Kildare.
Tanguy m Breton, FrenchFrom Breton
tan "fire" and
gi "dog". This was the name of a 6th-century Breton saint.
Teague m IrishAnglicized form of
Tadhg. This name is also used as a slang term for an Irish Catholic.
Tegan f Welsh, English (Modern)Means
"darling" in Welsh, derived from a diminutive of Welsh
teg "beautiful, pretty". It was somewhat common in Australia, New Zealand, the United Kingdom and Canada in the 1980s and 90s. It was borne by an Australian character on the television series
Doctor Who from 1981 to 1984.
Tegid m WelshPossibly derived from Welsh
teg "beautiful, handsome", or possibly from the Roman name
Tacitus. This is the name of a lake in Wales, called Bala Lake in English. It also occurs in medieval Welsh legends as the husband of
Ceridwen.
Tegwen f WelshDerived from the Welsh elements
teg "beautiful, pretty" and
gwen "white, blessed". This name was created in the 19th century.
Toirdhealbhach m Irish (Rare)From Old Irish
Tairdelbach meaning
"instigator", derived from
tairdelb "prompting". This name was borne by several medieval Irish kings.
Treasa f IrishPossibly from Irish
treise meaning
"strength" or
treas meaning
"battle". It is also used as an Irish form of
Theresa.
Trevor m Welsh, EnglishFrom a Welsh surname, originally taken from the name of towns in Wales meaning
"big village", derived from Middle Welsh
tref "village" and
maur "large". As a given name it became popular in the United Kingdom in the middle of the 20th century, then caught on in the United States in the 1960s.
Tudor 1 m WelshAnglicized form of the medieval Welsh name
Tudur, possibly from a hypothetical Celtic name *
Toutorīxs meaning "ruler of the people" (cognate with
Theodoric). As a surname it was borne by five monarchs of England beginning with Henry VII in the 15th century. These monarchs were descended from Owain ap Maredudd ap Tudur, a Welsh nobleman.
Tudwal m Welsh (Rare)From the Old Welsh and Breton name
Tutgual, derived from
tut "people, country" and
gual "ruler, leader". This was the name of a 6th-century Breton saint.
Tydfil f WelshAnglicized form of Welsh
Tudful, of unknown meaning. This was the name of a (probably legendary) saint who is supposedly buried in the town of Merthyr Tydfil in Wales. It is possible the saint was named after the town. She is said to have been one of the daughters of
Brychan Brycheiniog.