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  • Association's 2020 annual reunion

    Our gathering is postponed to 2021

  • Land of the ancestor Joseph Thériault in St-Jean-Port-Joli

    Commemorative plaque placed in 2010 on the land of the ancestor Joseph Thériault in Saint-Jean-Port-Joli.

  • Georges Therriault and Irène Dufresne

    Family of Georges Therriault and Irène Dufresne -pioneers of the Eastern Townships, QC around 1850

Who are we ?

The Association, founded in 1972, aims to bring together Thériault descendants in America--from Canada as well as from the United States. (Thériault also includes Therriault, Theriot, Thériot, Thério, Therrio, Therriot, Terrio, Terriot and other spellings.)


Our mission ?

Our objectives:
• Promote a sense of belonging of our ancestor Jehan Terriot to the Acadian line;
• Discovering our roots;
• Discovering the migration history of the ancestors and their installation in North America.


Why become a member ?

Various activities stimulate exchanges between members of the Association in respect of regional choices. These meetings help to establish contacts with other groups such as, for example, the World Acadian Congress, genealogical fairs, annual meetings, etc..


Genealogical dictionary of Thériault families 1601-2020

This dictionary is an essential tool which facilitates the search for genealogical family lines. It covers 14 generations and contains more than 8 749 families all linked back to the common ancestor Jehan Terriot. This book is divided in two major parts: one covers descendants of Claude and the other, the descendants of Germain. Claude and Germain are the two sons of Jehan who are the root of the Thériault descendancy.

The dictionary is available on compact disk (CD) in PDF format at a cost of $30 including postage fees.

The author is:

Camille Albert

889. boul. Grignon, app. 226, St-Jérôme (Québec), Canada J7Y 2Y9, tel: 450-990-6167, email: This email address is being protected from spambots. You need JavaScript enabled to view it.

To print: Book Order Form CD.pdf 

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website Team

Editor: Guy Thériault

Assistant editor: Karen Theriot Reader

Assistant editor: John Mark Hopkins

Webmaster: Matthieu Thériault

Assistant webmaster: Réjean Devin