O'Donnell dynasty

O'Donnell
Arms of O'Donnell
Parent house	Northern Uí Néill
Country	Kingdom of Tyrconnell
Founded	13th (5th) century
Founder	Conall Gulban
Current head	Hugo O'Donnell, 7th Duke of Tetuan
Final ruler	Ruaidrí, 1st Earl of Tyrconnell, An Ó Domhnaill
Titles	Cenél Conaill: Kings of Tara High Kings of Ireland Kings of Tyrconnell Protectors of Dál Riata O'Donnell: Kings of Tyrconnell King of Leth Cuinn Prince of Durlass (Thurles) Lord of Lower Connacht International titles: Prince of Tyrconnell Earl of Tyrconnell Duke of Tetuán Marquisate of Altamira Comte O'Donnell Count of Lucena Count of La Bisbal Count O'Donel von Tyrconnell Viscount of Aliaga Baron of Fingal[1] Baron of Donegal Baron of Lifford O'Donnell baronets
Cadet branches	O'Donell von Tyrconnell

The O'Donnell dynasty (Irish: Ó Dónaill or Ó Domhnaill, Ó Doṁnaill or Ua Domaill; meaning "descendant of Dónal") were the dominant Irish clan of the kingdom of Tyrconnell in Ulster in the north of medieval and early modern Ireland.^[2]