Show ContentsCastonguay History, Family Crest & Coats of Arms

Early Origins of the Castonguay family

The surname Castonguay was first found in Gascony (French: Gascogne), an area of southwest France bordering Spain, that was part of the "Province of Guyenne and Gascony" prior to the French Revolution, where this distinguished family held a family seat since ancient times.

Early History of the Castonguay family

This web page shows only a small excerpt of our Castonguay research. Another 286 words (20 lines of text) covering the years 1230, 1489, 1500, 1629, 1630, 1635, 1647, 1666, 1728 and 1789 are included under the topic Early Castonguay History in all our PDF Extended History products and printed products wherever possible.

Castonguay Spelling Variations

Spelling variations of this family name include: Castagny, Castaigne, de Castaigner, de Castaignos, Castagnere, Castagnery, Castaignier, Chasteigner, Castagner, Castonguay, Castagnie, Castagnies, Castaigny, Castaignie and many more.

Early Notables of the Castonguay family

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

Castonguay World Ranking

In the United States, the name Castonguay is the 14,959th most popular surname with an estimated 2,487 people with that name. 1 However, in Canada, the name Castonguay is ranked the 640th most popular surname with an estimated 8,120 people with that name. 2 And in Quebec, Canada, the name Castonguay is the 259th popular surname. 3


United States Castonguay migration to the United States +

Some of the first settlers of this family name were:

Castonguay Settlers in United States in the 20th Century
  • Charlotte Castonguay, aged 30, who immigrated to America from Paris, France, in 1910
  • Frederick W. Castonguay, aged 12, who settled in Hartford, Conn, in 1924
  • Arthur Castonguay, aged 33, who immigrated to the United States, in 1924
  • Bessie E. Castonguay, aged 39, who immigrated to Hartford, Conn, in 1924

Canada Castonguay migration to Canada +

Some of the first settlers of this family name were:

Castonguay Settlers in Canada in the 20th Century
  • Edward Emile Castonguay, aged 34, who immigrated to Montreal, Canada, in 1917

Contemporary Notables of the name Castonguay (post 1700) +

  • Mike Castonguay, American music producer, musician and songwriter based in Los Angeles, CA
  • Alysha Castonguay (b. 1987), American beauty pageant contestant
  • Claude Castonguay (1929-2020), Canadian politician, educator and businessman, Senator for Stadacona, Quebec (1990-1992)
  • Marilyn Castonguay, Canadian film and television actress, best known for her performance in the 2012 film L'Affaire Dumont
  • Alexandre Castonguay (b. 1968), Canadian media artist
  • Jeannot Castonguay (b. 1944), Canadian Liberal member of the Canadian House of Commons from 2000 to 2004
  • Charles Castonguay (b. 1940), retired Canadian associate professor of Mathematics and Statistics at the University of Ottawa
  • Roch Castonguay, Canadian film and television actor
  • Antoine Castonguay, Canadian politician Quebec
  • Eric Castonguay (b. 1987), Canadian professional ice hockey player


  1. "What are the 5,000 Most Common Last Names in the U.S.?". NameCensus.com, https://namecensus.com/last-names/
  2. "Surnames Meanings, Origins & Distribution Maps - Forebears." Forebears, https://forebears.io/surnames
  3. "The first 1,000 family names by rank, Quebec (in French only)" Institut de la statistique du Quebec, https://statistique.quebec.ca/en/document/family-names-in-quebec/tableau/the-first-1000-family-names-by-rank-quebec


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