Brian Ballagh O'Neill ( Irish: ''Brian Ballach Ó Néill'') was a king of Clandeboye in

medieval Ireland Ireland in the Middle Ages may refer to: * History of Ireland (400–795), Ireland in the early Middle Ages * History of Ireland (795–1169), Ireland in the high Middle Ages *History of Ireland (1169–1536), Ireland in the late Middle Ages See ...

. He succeeded his father, Muirchertach Ceannfada O'Neill, to the kingship of

Clandeboye Clandeboye or Clannaboy ( Irish ''Clann Aodha Buí'', "family of Hugh the Blond") was a kingdom of Gaelic Ireland, comprising what is now south County Antrim, north County Down, and the barony of Loughinsholin. The entity was relatively late in ...

after his death in 1395. He reigned until his own death in battle in 1425, after which he was succeeded by his son

Murtagh Roe O'Neill Murtagh Roe O'Neill (Irish language, Irish: ''Muircheartach Ruadh Ó Néill'') was a List of rulers of Clandeboye, lord of Clandeboye in medieval Ireland. He succeeded his father Brian Ballagh O'Neill who died in 1425 to the lordship of Clandeboye ...

who had to contend with his uncle Henry Caoch O'Neill for it. O'Neill's nickname ''ballach'' meant "freckled". A younger son,

Hugh Boy II O'Neill Hugh Boy II O'Neill ( Irish: ''Aodh Buidhe Ó Néill'') was a king of Clandeboye in medieval Ireland. A son of Brian Ballagh, O'Neill was second-in-command to his older brother Murtagh Roe O'Neill and helped him take the lordship of Clandeboye af ...

, would also become lord of Clandeboye. O'Neill was the common ancestor of the

Clandonnell Clandonnell () is an early-modern Irish district in what is now southern County Londonderry, Northern Ireland. Clandonnell along with the ancient districts of Glenconkeyne, Killetra, and Tomlagh, comprised the former barony of Loughinsholin, w ...

O'Neills,

Killetra Killetra () is an early-modern Irish district in what is now southern County Londonderry, Northern Ireland. Killetra along with the ancient districts of Clandonnell, Glenconkeyne, and Tomlagh, comprised the former barony of Loughinsholin Lo ...

O'Neills, via his sons Hugh Boy and Cú Uladh respectively.

References

Clandeboye 14th-century Irish monarchs 15th-century Irish monarchs O'Neill dynasty 1425 deaths {{Ireland-noble-stub