Cathal O'Conor explained

Cathal McConnor Roe O'Connor (Irish: Cathal mac Conchobair Ruadh Ua Conchobair) was king of Connacht in Ireland. He was son of Connor Roe O'Connor and a member of the Clan Muircheartaigh Uí Conchobhair.

References

• Annals of Ulster at http://www.ucc.ie/celt/published/T100001A/index.html at University College Cork
• Annals of the Four Masters at http://www.ucc.ie/celt/published/T100005A/index.html at University College Cork
• Chronicum Scotorum at http://www.ucc.ie/celt/published/T100016/index.html at University College Cork
• Byrne, Francis John (2001), Irish Kings and High-Kings, Dublin: Four Courts Press,
• Gaelic and Gaelised Ireland, Kenneth Nicols, 1972.
• The Second Battle of Athenry, Adrian James Martyn, East Galway News & Views, 2008–2009