Northumbrians, [37]

Norwegians, Chapter II. passim

Nugent, William, grantee of Delvin, [54]

Nugents, the, [76], [144], [393], [397]

— Barons of Delvin;

see [Delvin.]

O’Bogan, Laurence, [91]

O’Boyle, chief of Boylagh in Donegal, [140]

O’Brien, Donald or Donnell More, King of Limerick and North Munster, [50], [55], [315]

— Donough Carbreach, son of Donnell More, [60]