Brian Ballagh O'Neill (

Irish Irish may refer to: Common meanings * Someone or something of, from, or related to: ** Ireland, an island situated off the north-western coast of continental Europe ***Éire, Irish language name for the isle ** Northern Ireland, a constituent unit ...

: ''Brian Ballach Ó Néill'') was a king of Clandeboye in

medieval Ireland Ireland in the Middle Ages may refer to: * History of Ireland (400–800), Ireland in the early Middle Ages *History of Ireland (800–1169), Ireland in the high Middle Ages *History of Ireland (1169–1536), Ireland in the late Middle Ages See a ...

. He succeeded his father,

Muirchertach Ceannfada O'Neill Muirchertach Ceannfada O'Neill (Irish language, Irish: ''Muirchertach Ceannfada Ó Néill''), also known as Murtagh O'Neill and Maurice O'Neill, was a List of rulers of Clandeboye, lord of Clandeboye in medieval Ireland. He succeeded his father, H ...

, to the kingship of Clandeboye 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: ''Muircheartach Ruadh Ó Néill'') was a lord of Clandeboye in medieval Ireland. He succeeded his father Brian Ballagh O'Neill who died in 1425 to the lordship of Clandeboye. Before O'Neill could take control he and his ...

who had to contend with his uncle

Henry Caoch O'Neill Henry may refer to: People *Henry (given name) * Henry (surname) * Henry Lau, Canadian singer and musician who performs under the mononym Henry Royalty * Portuguese royalty ** King-Cardinal Henry, King of Portugal ** Henry, Count of Portugal ...

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 a ...

, 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, with ...

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, with Kil ...

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