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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. Bolton, Charles Knowles. Scotch Irish Pioneers In Ulster and America. Montana: Kessinger Publishing. Print.
  2. Barrow, G.W.S Ed. Acts of Malcom IV 1153-65 Volume I Regesta Regum Scottorum 1153-1424. Edinburgh: Edinburgh University Press, 1960. Print.
  3. Innes, Thomas and Learney. Scots Heraldry A Practical Handbook on the Historical Principles and Mordern Application of the Art and Science. London: Oliver and Boyd, 1934. Print.
  4. Scots Kith and Kin And Illustrated Map Revised 2nd Edition. Edinburgh: Clan House/Albyn. Print.
  5. Shaw, William A. Knights of England A Complete Record from the Earliest Time to the Present Day of the Knights of all the Orders of Chivalry in England, Scotland, Ireland and Knights Bachelors 2 Volumes. Baltimore: Genealogical Publishing. Print. (ISBN 080630443X).
  6. Paul, Sir James Balfour. An Ordinary of Arms Contained in the Public Register of All Arms and Bearings in Scotland Second Edition. Baltimore: Genealogical Publishing, 1903. Print.
  7. Burke, Sir Bernard. Genealogical and Heraldic History of the Peerage and Baronetage, The Privy Council, Knightage and Compainonage. London: Burke Publishing, 1921. Print.
  8. Le Patourel, John. The Norman Empire. New York: Oxford University Press, 1976. Print. (ISBN 0-19-822525-3).
  9. Bain, Robert. The Clans and Tartans of Scotland. Glasgow & London: Collins, 1968. Print. (ISBN 000411117-6).
  10. Papworth, J.W and A.W Morant. Ordinary of British Armorials. London: T.Richards, 1874. Print.
  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 10 August 2014 at 20:49.

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