Cadieu History, Family Crest & Coats of Arms

The surname is one of the most ancient names that came from France during the Middle Ages. It is a Breton name for a person who was a person who was small but a strong fighter. The name Cadieu is derived from the Old French word "cad," which means "little fighter."

Early Origins of the Cadieu family

The surname Cadieu was first found in Brittany (French: Bretagne), where they are recorded as an ancient family with lands, manors, and estates.

The family was involved in many of the early conflicts between French royalty and local Lords regarding the jurisdiction of their lands. A family member by the name of Cadeau d'Arcy would later hold large estates in Picardy and in île-de-France. He became secretary to the King of France and was ennobled by the French Parliament as a viscount on 30th June 1830. Many family members later migrated to Acadia in Canada. Some settled in the province of Quebec, while others left for Louisiana in the forced exodus of the Acadians.

Pierre Cadieux, son of Jean and Marie (née Valade), settled in Quebec in the 17th century. He married Marguerite Menard, daughter of Jacques and Catherine (née Fortier), at Boucherville on 11th February 1697. He married for the second time on 29th May 1702 at Pointe-aux-Trembles to Jeanne Mersan. [1]

Early History of the Cadieu family

This web page shows only a small excerpt of our Cadieu research. Another 57 words (4 lines of text) covering the years 1660 and 1696 are included under the topic Early Cadieu History in all our PDF Extended History products and printed products wherever possible.

Cadieu Spelling Variations

There were a great number of spelling variations in French surnames. One reason for this was the wide variety of cultural influences present in France during the early development of the French language. The many spelling variations of the name include Cadieux, Cadieu, Cadeau, Cadeaux, Cadio, Cadiot, Cadéo, Cadiou, Cadioux, Cadious, Cadius, Cadier, Caduc, Cadel, Cadelon, Cadelard, Cadenel, Cadenet, Cadu, Cado, Cadou, Cadoux, Cadot, Cadotte, Caudos, Caddieux, Caddieu, Caddeau, Caddeaux, Caddioux, Caddiou, Caddious, Caddius, Caddier and many more.

Early Notables of the Cadieu family (pre 1700)

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


United States Cadieu migration to the United States +

In 1643, 109 years after the first landings by Cartier, there were only about 300 people in Quebec. Migration was slow. The fur trade attracted migrants, both noble and commoner. By 1675, there were 7000 French in Quebec. By the same year the French Acadian presence in the Maritimes had reached 500. The French founded Lower Canada, thus becoming one of the two great founding nations of Canada. The family name Cadieu has made many distinguished contributions in France and New France to the world of science, culture, religion, and education. Amongst the settlers in North America with this distinguished name Cadieu were

Cadieu Settlers in United States in the 18th Century
  • François Cadieu, 17, who settled in Louisiana in 1719

Canada Cadieu migration to Canada +

Some of the first settlers of this family name were:

Cadieu Settlers in Canada in the 17th Century
  • Jean Cadieu, who landed in Montreal in 1653
  • Jehan Cadieu, who landed in Montreal in 1653
  • Jean Cadieu, son of Pierre and Renée, who married Marie Valade, daughter of André and Sara, in Montreal, Quebec on 26th November 1663 [2]
  • Jean-Charles Cadieu, son of Charles and Marie-Madeleine, who married Marie-Madeleine Neveu, daughter of Philippe and Denyse, in Quebec on 28th April 1681 [2]
  • Jean-Baptiste Cadieu, son of Jean and Marie, who married Marie Bourdon, daughter of Jacques and Marie, in Boucherville, Quebec on 30th May 1695 [2]
  • ... (More are available in all our PDF Extended History products and printed products wherever possible.)
Cadieu Settlers in Canada in the 18th Century
  • Jean-Baptiste Cadieu, son of Jean and Marie, who married Marie-Jeanne Gaudry, daughter of Jacques and Jeanne-Françoise, in Varennes, Quebec on 3rd Februrary 1717 [2]
  • Antoine Cadieu, son of Bertrand and Jeanne, who married Charlotte Boivin, daughter of Michel and Françoise, in Montreal, Quebec on 18th November 1726 [2]
  • Jean-Baptiste Cadieu, son of Jean-Charles and Marie-Madeleine, who married Madeleine Montminy, daughter of Guillaume and Marguerite, in Quebec on 5th January 1727 [2]
  • Augustin Cadieu, son of Jean and Marie, who married Marie-Catherine Lebeau, daughter of Mathurin and Marie, in Chambly, Quebec on 3rd February 1739 [2]
  • François Cadieu, son of Pierre and Jeanne, who married Marie-Catherine Faneuf, daughter of Charles and Catherine, in Rivière-des-Prairies, Quebec on 1st January 1740 [2]
  • ... (More are available in all our PDF Extended History products and printed products wherever possible.)


The Cadieu Motto +

The motto was originally a war cry or slogan. Mottoes first began to be shown with arms in the 14th and 15th centuries, but were not in general use until the 17th century. Thus the oldest coats of arms generally do not include a motto. Mottoes seldom form part of the grant of arms: Under most heraldic authorities, a motto is an optional component of the coat of arms, and can be added to or changed at will; many families have chosen not to display a motto.

Motto: Rien ne me touche
Motto Translation: Springing to life, do not touch


  1. ^ Olivier, Reginald L. Your Ancient Canadian Family Ties. Logan: The Everton Publishers, Inc., P.O. Box 368, 1972. Print
  2. ^ Internoscia, Arthur E., and Claire Chevrier. Dictionnaire National des Canadiens Français 1608-1760. Vol. 1, Institut Drouin, 1958.


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