Irish families

Irish clan

ancient noble family in England and Ireland

'''O'Callaghan or simply Callaghan' without the prefix (anglicized from two separate surnames and clans, Ó Ceallacháin, Munster Clan. Ó Ceileacháin, Oriel Clan)'' is an Irish surname.

family name

family name

Slattery is a surname of Irish origin. The name is an anglicisation of the or Ó Slatraigh, meaning 'descendant of slatra' meaning 'robust', 'strong', 'bold'. The name originated in the townland of Ballyslattery in the barony of Tulla Upper in east County Clare, Ireland.

Polish-Irish family

De Lacy Family

'''O'Halloran''' is the surname of the ultimate and at least two distinct Gaelic-Irish families, one in County Galway and another in south-east County Clare linked to the Dál gCais. On occasions it is translated as "stranger" or "from across the sea". The name states that this family were "importers" and were the lords, and dominant sept of Clan Fergail (Clann Fhearghaile).

McNulty is an Irish surname. It is derived from the Gaelic Mac an Ultaigh meaning "son of the Ulsterman". Usually considered a branch of the Ulaid ruling dynasty of Mac Duinnshléibhe (MacDonlevy), a branch of Dál Fiatach, who fled Ulaid to Ailech after the former's conquest in 1177 by the Normans. DNA analysis points to descent from other Ulaid families as well. After the Battle of Kinsale in 1602, some McDonlevys and McNultys migrated to the province of Connacht where their name is now also common.

180px|thumb|A Defacement (flag)|defaced O'Rourke crest adorns the coat of arms of [[County Leitrim, their historic patrimony]] '''O'Rourke''' () was an Irish Gaelic clan based most prominently in what is today County Leitrim.

descendants of Áed Sláine

family name

Ó Seachnasaigh, '''O'Shaughnessy, collectively Uí Sheachnasaigh, clan name Cinél nAedha na hEchtghe''', is a family surname of Irish origin. The name is found primarily in County Galway and County Limerick. Their name derives from Seachnasach mac Donnchadh, a 10th-century member of the Uí Fiachrach Aidhne, which the Ó Seachnasaigh were the senior clan of. The town of Gort, Ireland, was the main residence of the family since at least the time of their ancestor, King Guaire Aidne mac Colmáin.

Irish clan based in County Donegal

'''O'Dea ( ; , formerly ), is an Irish surname derived from ', the name of a tenth-century clan chieftain. According to historian C. Thomas Cairney, the O'Deas were one of the chiefly families of the Dal gCais or Dalcassians who were a tribe of the Erainn who were the second wave of Celts to settle in Ireland between about 500 and 100 BC.

The Guinness family is an Anglo-Irish noble family known for its achievements in brewing, banking, politics, and Protestant ministry. The brewing branch is particularly well known among the general public for producing the dry stout beer Guinness, as founded by Arthur Guinness in 1759. An Anglo-Irish Protestant family, beginning in the late 18th century, they became a part of what is known in Ireland as the Protestant Ascendancy.

family name