O’Brien, Connor, third Earl of Thomond;

see Thomond.

— Sir Donnell or Donald, brother of the second Earl of Thomond, [7], [82], [317]

— Murrough, [338]

— Teig Mac Murrough, Sheriff of Clare, [170], [172], [317]

— (more properly MacBrien Arra), Maurice, Bishop of Killaloe (1570-1612), [366]

— Terence, Bishop of Killaloe (Papal) (1555-1569), [366]

— Cornelius, nominated for the Bishopric of Killaloe by Sidney, but not appointed by the Queen, [313]

O’Briens, the, of Clare, [9], [85], [173]

O’Byrne, Feagh MacHugh, [167], [228], [229], [298], [311], [340], [343], [344]