Oporto, [206]
Orange, Philibert, Prince of, [200]
— William the Silent, Prince of, [346]
O’Reilly, Malachias, chief of nearly all Cavan, [11], [19], [37], [40], [53]-[55], [63], [99]
— Hugh Connelagh, son and successor of Malachias, [99], [310]
— Cahir, brother to last named, [99]
O’Reillys, the, of Cavan, [97], [99], [111]
Ormonde, Thomas Butler, tenth Earl of (called Thomas Duff or Black Thomas), Lord Treasurer of Ireland, [5];
his relations, [6];