Conn O'Neill ( Irish: ''Conn Ó Néill'') was a lord 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 seized the lordship from his uncle

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 ...

in 1468. However, he appears to have let him remain as chief of the Clandeboye O'Neills. O'Neill reigned until he died in 1482, after which he was succeeded by his son

Niall Mór O'Neill Niall Mór O'Neill ( Irish: ''Niall Mór Ó Néill'') was a lord of Clandeboye in medieval Ireland. He succeeded his father, Conn O'Neill, to the lordship after his death in 1482. He reigned until his own death in 1512, after which he was succeed ...

. O'Neill was married to Mary MacDonald.

References

Clandeboye 15th-century Irish landowners O'Neill dynasty 1482 deaths {{Ireland-noble-stub