List of vice-admirals of Ulster
This is a list of the vice-admirals of Ulster, a province in the north of Ireland.
Prior to 1585 the whole of Ireland was served by a single vice-admiral, namely Thomas Radcliffe, 3rd Earl of Sussex, Gerald Fitzgerald, 11th Earl of Kildare and Thomas Butler, 10th Earl of Ormonde. Separate vice-admiralties were then established for Munster in 1585, for Ulster by 1602, for Leinster by 1612 and for Connaught by 1615.Vice-admirals of Ulster
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;Northern Ireland