Concannon (other spellings Concanen, Concanon, Conceanainn, Con Ceanainn, and Kincannon, among others) is an Irish family name. Notable people with the surname include:
Richard Luke Concanen, O.P., was an Irish prelate of the Roman Catholic Church, who served as the first bishop of the Diocese of New York (1808–1810).
Mac Diarmada, also spelled Mac Diarmata, is an Irish surname, and the surname of the ruling dynasty of Moylurg, a kingdom that existed in Connacht from the 10th to 16th centuries. The last ruling king was Tadhg mac Diarmata, who ruled until 1585.
Naughton is an Irish Gaelic surname derived from the name Ó Neachtain meaning 'descendant of Nechtan'. A Sept of the Dal gCais of the same stock as Quinn and Hartigan where located in Inchiquin Barony, County Clare.
Kehoe, originally spelled MacKehoe, is an Irish surname that stems from several distinct septs in Ireland.
O'Cleary is the surname of a learned Gaelic Irish family. It is the oldest recorded surname in Europe — dating back to 916 CE — and is cognate with cleric and clerk. The O'Clearys are a sept of the Uí Fiachrach dynasty, who ruled the Kingdom of Connacht for nearly two millennia. As Connachta, the O'Cleary's ruled the kingdom of Uí Fiachrach Aidhne for nearly 800 years. They are the descendants of Fiachrae, son of the High King Eochaid Mugmedon, and elder brother of legendary High King Niall of the Nine Hostages. According to legend, they ultimately trace their ancestry back to the mythical Fir Bolg, as well as to Milesius, and consequently to Japheth, son of Noah.
Diarmaid is a masculine given name in the Irish language, which has historically been anglicized as Jeremiah or Jeremy, names with which it is etymologically unrelated. Earlier forms of the name include Diarmit and Diarmuit. Variations of the name include Diarmait and Diarmuid. Anglicised forms of the name include Dermody, Dermot and Dermod. Mac Diarmata, anglicised McDermott and similar, is the patronymic and surname derived from the personal name. The exact etymology of the name is debated. There is a possibility that the name is derived in part from dí, which means "without"; and either from airmit, which means "injunction", or airmait, which means "envy". The Irish name later spread to Scotland where in Scottish Gaelic the form of the name is Diarmad; Anglicised forms of this name include Diarmid and Dermid.
Kavanagh or Kavanaugh is a surname of Irish origin, Caomhánach in Irish. It is properly Mac Murchadha Caomhánach, but is often now rendered 'Caomhánach' or rarely 'Ó Caomhánaigh'.
Gleeson is an Irish surname. It is an anglicisation of the Irish name Ó Glasáin or Ó Gliasáin. The name is most common in County Tipperary but originates in East County Cork, in the once powerful Uí Liatháin kingdom, where the Gleesons were great lords and sometimes kings. Notable people with the surname include:
Uí Díarmata was a local kingdom located in what is now north County Galway.
Kings of Uí Díarmata from c.971 onwards. There are large temporal gaps where no kings or lords are attested.
Mac Cú Ceanain was King of Uí Díarmata.
Muirgeas ua Cú Ceanainn was King of Uí Díarmata.
Cú Ceanain mac Tadhg, Prince of Uí Díarmata, ancestor of the Concannon family, died 991
Davok Ó Con Ceanainn, Lord of Uí Díarmata, fl. 1478.
Murchadh is masculine given name in the Irish and Scottish Gaelic languages.
Domnall Ó Cuindlis was an Irish historian of the Ó Cuindlis family of brehons and scholars.
Donnelly is an Irish surname. It is derived from the Gaelic Ó Donnghaile meaning 'descendant of Donnghal', a given name composed of the elements donn plus gal ('valour'). O'Donnelly is derived from the descendants of Donnghal, the great grandson of Domhnall, King of Ailech. Early ancestors of this surname were a part of Cenél nEoghain, a branch of the Northern Uí Néill.
Tomás Ó Con Cheanainn was an Irish scholar and historian.
Rory is a given name of Gaelic origin. It is an anglicisation of the Irish: Ruairí/Ruaidhrí and Scottish Gaelic: Ruairidh and is common to the Irish, Highland Scots and their diasporas. The meaning of the name is "red king", composed of ruadh ("red-haired") and rígh ("king").
Kincannon is a surname, being a variant of the Irish surname Concannon. Notable people with the surname include: