William Bourke 20th Mac William Iochtar
Uilleag An tAb Caoch Búrca
Arms of Bourke of Mayo[1]
Died	1593

William "the Blind Abbot" Bourke, 20th Mac William Íochtar (Irish: William An tAb Caoch Bourke; English: /bɜːrk/; BURK; died 1593) was an Irish chieftain and noble.

William was a son of David de Búrca, 15th Mac William Íochtar. His brother was Richard "the Iron" Bourke, 18th Mac William Íochtar (d.1583). He succeeded his cousin, Richard Bourke, 19th Mac William Íochtar (d.1586) a great-grandson of Ricard Ó Cuairsge Bourke, 7th Mac William Íochtar (d.1479). William was succeeded by his cousin, Tibbot MacWalter (Theobald Fitzwalter) Kittagh Bourke, 21st Mac William Íochtar (c.1570–c.1602), the eldest child of Walter Kittagh Bourke (d.1591) and grandson of Seaán mac Oliver Bourke (Sir John Bourke), 17th Mac William Íochtar and 1st Baron Ardenerie (d.1580).^[2]

• House of Burgh, an Anglo-Norman and Hiberno-Norman dynasty founded in 1193

• Burke, Bernard (1884). The General Armory of England, Scotland, Ireland, and Wales; comprising a registry of armorial bearings from the earliest to the present time. University of California Libraries. London: Harrison & Sons.
• Knox, Hubert T. (1908). The History of the County of Mayo to the close of the sixteenth century. Dublin: Hodges, Figgis and Company. p. 395.
• Moody, T. W.; Martin, F. X.; Byrne, F. J., eds. (1989). A New History of Ireland: IX: Maps, Genealogies, Lists, A Companion to Irish History, Part II. Oxford: Oxford University Press. ISBN 978-0-19-959306-4.
  • Lower Mac William and Viscounts of Mayo, 1332-1649, pp. 235–36.

This biography of an Irish noble is a stub. You can help Wikipedia by expanding it.

• v
• t
• e