O’Doyne, [8]

O’Driscoll, Sir Fineen, [406]

— Dermot, [431]

O’Driscolls, [413], [419], [431], [447]

O’Feighy, Thomas, [391]

O’Ferrall, Shane, [119]

— [140], [141]

Offaly, [76], [334], [348], [357], [370]

— Lord, [82], [83]

O’Flaherty, Sir Murrough ne Doe, claiming to be chief of Iar Connaught, [147], [152], [205]-[208], [211], [215]