() is an Irish male name meaning uling with'fervour over the people' or 'valour of the tribe', from Old Irish 'people, tribe, tribal territory' + 'ardour, valour', from

Proto-Celtic Proto-Celtic, or Common Celtic, is the hypothetical ancestral proto-language of all known Celtic languages, and a descendant of Proto-Indo-European. It is not attested in writing but has been partly Linguistic reconstruction, reconstructed throu ...

'might, ability'. is also the Modern Irish for movement anticlockwise or

widdershins Widdershins (sometimes withershins, widershins or widderschynnes) is a term meaning to go counter-clockwise, anti-clockwise, or lefthandwise, or to walk around an object by always keeping it on the left. Literally, it means to take a course opp ...

, from the Old Irish 'left, north' + 'turn', from a different Proto-Celtic root not meaning 'people, tribe', see there, sense 2 for details. People with the name include: *

Túathal Techtmar Túathal Techtmar (; 'the legitimate'), son of Fíachu Finnolach, was a High King of Ireland, according to medieval Irish legend and historical tradition. He is said to be the ancestor of the Uí Néill and Connachta dynasties through his grand ...

, legendary king *

Túathal Máelgarb Túathal mac Cormaic (died 544), called Túathal Máelgarb, (''Túathal'': "ruler of the people") was said to be a grandson of Coirpre mac Néill. He was High King of Ireland. In the earliest accounts he appears to have been regarded as the man w ...

(''fl''. 6th century), king of Tara * Túathal mac Máele-Brigte (died 854), king of Leinster * Tuathal Mac Augaire (died 958), king of Leinster *

Túathal (bishop of the Scots) Túathal is the ninth Bishop of St Andrews. He is mentioned in the bishop-list of the later medieval historian Walter Bower as the successor of Bishop Máel Dúin. Túathal's name, like his immediate predecessor Máel Dúin's, is known from oth ...

(''fl''. 1050s), bishop of Cennrígmonaid, modern St Andrews *

Tuathal Ua Connachtaig Tuathal Ua Connachtaig (known in Latin as Thaddaeus) was an Irish bishop in the 12th century. He was present at the Synod of Kells in March 1152. He took the oath of fealty to Henry II in 1172 as Bishop of Kells, but is more often recorded as ...

(''fl.'' 12th century) Irish bishop of Kells or Breifne The surname O'Toole is an anglicisation of (), meaning grandson or descendant of Túathal. One instance is the

O'Toole family The O'Toole () family of County Wicklow, formerly one of the leading clans of Leinster, descended from Tuathal mac Augaire, King of Leinster (died 958), of the Uí Muiredaig branch of the Uí Dúnlainge dynasty. Not all people with this surna ...

prominent in medieval Wicklow, who claimed descent from Tuathal Mac Augaire. Placenames associated with the name include: *

Listowel Listowel ( ; , ) is a heritage market town in County Kerry, Ireland. It is on the River Feale, from the county town, Tralee. The town of Listowel had a population of 4,794 according to the 2022 census of Ireland, 2022 census, the third large ...

() 'Túathal's

ringfort Ringforts or ring forts are small circular fortification, fortified settlements built during the Bronze Age, Iron Age and early Middle Ages up to about the year 1000 AD. They are found in Northern Europe, especially in Ireland. There are ...

', a town in

County Kerry County Kerry () is a Counties of Ireland, county on the southwest coast of Republic of Ireland, Ireland, within the Provinces of Ireland, province of Munster and the Southern Region, Ireland, Southern Region. It is bordered by two other countie ...

Carrauntoohil Carrauntoohil, Carrauntoohill or Carrantuohill ( ; , meaning "Tuathal's sickle") is the Lists of mountains in Ireland, highest mountain in Ireland at . It is on the Iveragh Peninsula in County Kerry, close to the centre of Ireland's highest mo ...

() 'Túathal's sickle', a mountain in County Kerry *

Glasthule Glasthule ( ; ) is a suburb of Dublin, Republic of Ireland, Ireland. It is along County Dublin, County Dublin’s south coast, between Dún Laoghaire, Sandycove, Glenageary and Dalkey. Amenities Sandycove and Glasthule are served by a number ...

() 'Túathal's stream', a suburb of Dublin

See also