O'Mores, the, [66], [315], [473], [610]

O'More, Rory, [615]

O'Moriartys, [62]

O'Mullane, [62], [64]

O'Mulconreys, the, [524], [545]

O'Mulloy's prosody, [537], [572]; his "Lamp of the Faithful," [572]; grammar, id., [617]

O'Mulchonry, one of the Four Masters, [575]

O'Mulconry, Maurice, aided the Four Masters, [575]

O'Mulchonry, Tanaidhe, poet, [446]

O'Neill, abrogates his title, [527], [529]