William An tAb Caoch Bourke

William An tAb Caoch Bourke, 20th Mac William Iochtar, died 1593.

References

• The History of Mayo, Hubert T. Knox. 1908.
• Lower Mac William and Viscounts of Mayo, 1332-1649, in A New History of Ireland IX, pp.235-36, Oxford, 1984 (reprinted 2002).