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An excerpt from www.HouseOfNames.com archives copyright 2000 - 2014

Where did the Scottish McIsaac family come from? What is the Scottish McIsaac family crest and coat of arms? When did the McIsaac family first arrive in the United States? Where did the various branches of the family go? What is the McIsaac family history?

The McIsaac family comes from the ancient Scottish Dalriadan clans of the mountainous west coast of Scotland. The name McIsaac is derived from the personal name Isaac. The Gaelic forms of the name are Mac Isaac or Mac Iosaig, both of which mean son of Isaac.


Spelling variations were extremely common in medieval names, since scribes from that era recorded names according to sound rather than a standard set of rules. McIsaac has appeared in various documents spelled MacIsaac, MacIsaack and others.

First found in Inverness, where they held a family seat from early times and their first records appeared on the early census rolls taken by the early Kings of Britain to determine the rate of taxation of their subjects.


This web page shows only a small excerpt of our McIsaac research. Another 241 words(17 lines of text) covering the year 1685 is included under the topic Early McIsaac History in all our PDF Extended History products.


More information is included under the topic Early McIsaac Notables in all our PDF Extended History products.


Dalriadan families proliferated in North America. Their descendants still populate many communities in the eastern parts of both the United States and Canada. Some settled in Canada as United Empire Loyalists, in the wake of the American War of Independence. Families on both sides of the border have recovered much of their heritage in the 20th century through Clan societies and highland games. Analysis of immigration records indicates that some of the first North American immigrants bore the name McIsaac or a variant listed above:

McIsaac Settlers in the United States in the 17th Century

  • Murdoch McIsaac who settled in New England in 1685

McIsaac Settlers in the United States in the 18th Century

  • Malcom McIsaac, aged 29, landed in New York, NY in 1775

McIsaac Settlers in the United States in the 19th Century

  • Euphemia Tod McIsaac, who arrived in Ohio in 1844


  • Justin McIsaac (b. 1978), semi-retired American professional wrestler
  • William "Billy" McIsaac (b. 1949), Scottish musician
  • Shona McIsaac (b. 1960), British Labour Party politician
  • Colin Francis McIsaac (1854-1927), Canadian lawyer and politician in Nova Scotia
  • Angus McIsaac (1842-1902), Canadian lawyer, judge and politician in Nova Scotia
  • Tai McIsaac (b. 1975), Australian rugby union footballer
  • James McIsaac (1854-1927), Canadian journalist and political figure in Prince Edward Island


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  1. Dorward, David. Scottish Surnames. Glasgow: Harper Collins, 1995. Print.
  2. Moncrieffe, Sir Ian of That Ilk and Don Pottinger. Clan Map Scotland of Old. Edinburgh: Bartholomew and Son, 1983. Print.
  3. Moody David. Scottish Family History. Baltimore: Genealogical Publishing, 1994. Print. (ISBN 0806312688).
  4. Passenger Lists of Vessels Arriving at Galveston Texas 1896-1951. National Archives Washington DC. Print.
  5. Best, Hugh. Debrett's Texas Peerage. New York: Coward-McCann, 1983. Print. (ISBN 069811244X).
  6. Bain, Robert. The Clans and Tartans of Scotland. Glasgow & London: Collins, 1968. Print. (ISBN 000411117-6).
  7. Catholic Directory For Scotland. Glasgow: Burns Publications. Print.
  8. Fulton, Alexander. Scotland and Her Tartans: The Romantic Heritage of the Scottish Clans and Families. Godalming: Bramley, 1991. Print. (ISBN 0-86283-880-0).
  9. Colletta, John P. They Came In Ships. Salt Lake City: Ancestry, 1993. Print.
  10. The Norman People and Their Existing Descendants in the British Dominions and the United States Of America. Baltimore: Genealogical Publishing, 1975. Print. (ISBN 0-8063-0636-X).
  11. ...

The McIsaac Family Crest was acquired from the Houseofnames.com archives. The McIsaac Family Crest was drawn according to heraldic standards based on published blazons. We generally include the oldest published family crest once associated with each surname.

This page was last modified on 12 March 2014 at 22:43.

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