Oriel, [32]
Orkney, [32]
Ormonde, James Butler, first Earl of, [72]
— — — second Earl of, [79]
— — — third Earl of, [84]
— — — fourth Earl of (the ‘White Earl’), [89], [90], [316]
— — — fifth Earl of, [91]
— John Butler, sixth Earl of, [102]
— Thomas Butler, seventh Earl of, [102]
— Sir Thomas Boleyn, sometimes called Earl of;