Show ContentsMacIlroy History, Family Crest & Coats of Arms

The name MacIlroy has seen many modifications since the time in which it was first devised. In Gaelic it appeared as Mac Giolla Rua, which means son of the red-haired youth.

Early Origins of the MacIlroy family

The surname MacIlroy was first found in County Clare (Irish: An Clár) located on the west coast of Ireland in the province of Munster, where they were the Chiefs of Clonderlaw, conjecturally descended from Tiobraid, son of Iral Glunmhar, King of Ulster. 1

Early History of the MacIlroy family

This web page shows only a small excerpt of our MacIlroy research. Another 148 words (11 lines of text) covering the years 1376, 1638 and 1640 are included under the topic Early MacIlroy History in all our PDF Extended History products and printed products wherever possible.

MacIlroy Spelling Variations

Pronunciation, rather than spelling, was what guided scribes and church officials in recording names, a practice that often led to the misleading result of one person's name being recorded under several different spellings. Numerous spelling variations of the surname MacIlroy are preserved in documents that were examined for evidence of the family's history. The various spellings of MacIlroy included Gilroy, Kilroy, MacGilroy, MacElroy, MacGreevy, Greevy, MacGilrea, McGilroy, McElroy, McGreevy, McGilrea, MacIlrea, McIlrea, Magilroy, Magilrea, MacElry, McElry, MacIlree and many more.

Early Notables of the MacIlroy family

More information is included under the topic Early MacIlroy Notables in all our PDF Extended History products and printed products wherever possible.


Australia MacIlroy migration to Australia +

Emigration to Australia followed the First Fleets of convicts, tradespeople and early settlers. Early immigrants include:

MacIlroy Settlers in Australia in the 19th Century


  1. O'Hart, John, Irish Pedigrees 5th Edition in 2 Volumes. Baltimore: Genealogical Publishing Company, 1976. Print. (ISBN 0-8063-0737-4)
  2. Convict Records Voyages to Australia (Retrieved 24th September 2020). Retrieved from https://convictrecords.com.au/ships/barossa


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