O’Gunnell, i.e. Carrigogunnell in Limerick, [186]

O’Haingly, Donat and Samuel, Archbishops of Dublin, [34]

O’Hanlon, chief of Orior in Armagh, [111], [112], [115], [120], [263], [353], [376], [397], [398]

O’Hanmire, Maelisa, Bishop of Waterford, [35]

O’Hara, of Leyny in Sligo, [60], [69]

Oisy;

see [De Candolle.]

O’Kane;

see [O’Cahan.]

O’Kearney, or O’Caharney, called ‘the Fox,’ of Kilcoursey in King’s County, [56], [69]