Dungannon, second Baron of, Brian O’Neill, [9], [15], [23], [39], [75];

see O’Neill.

— third Baron of, Hugh O’Neill, afterwards Earl of Tyrone, son of Matthew and brother of Brian, [39], [75];

see O’Neill.

Dungarvan, [86], [127], [185], [191], [215]

Dunluce, [90], [243]

Dunmanus Bay, [313]

Dunsany, Christopher Plunket, sixth Baron of, [50]

— Patrick Plunket, seventh Baron of, [261], [331], [333]