Hugh Boy II 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 ...

: ''Aodh Buidhe 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 ...

. A son of Brian Ballagh, O'Neill was second-in-command to his older brother

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 ...

and helped him take the lordship of Clandeboye after their father's death in 1425 by dispatching their uncle and main rival

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 ...

. After a short but fierce conflict between O'Neill and Murtagh around 1441–1442, Murtagh ceded the lordship to his younger brother. O'Neill however would die on 2 May 1444 from wounds received in a raid on the Magennis' of

Iveagh Iveagh ( ; ) is the name of several historical territorial divisions in what is now County Down, Northern Ireland. Originally it was a Gaelic Irish territory, ruled by the ''Uí Echach Cobo'' and part of the overkingdom of Ulaid. From the 12th c ...

. Murtagh would retake the lordship and hold it until 1468 when O'Neill's eldest son Conn seized it. Another son, Brian (d. 1488), would be the father of Donnell Donn O'Neill, eponymous founder 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.

References

Clandeboye 15th-century Irish monarchs 1444 deaths O'Neill dynasty {{Ireland-noble-stub