Cadieux 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 Cadieux is derived from the Old French word "cad," which means "little fighter."
Early Origins of the Cadieux family
The surname Cadieux 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. 
Early History of the Cadieux family
This web page shows only a small excerpt of our Cadieux research. Another 57 words (4 lines of text) covering the years 1660 and 1696 are included under the topic Early Cadieux History in all our PDF Extended History products and printed products wherever possible.
Cadieux Spelling Variations
Most surnames have experienced slight spelling changes. A son may not chose to spell his name the same way that his father did. Many were errors, many deliberate. During the early development of the French language, a person usually gave his version, phonetically, to a scribe, a priest, or a recorder. Prefixes or suffixes varied. They were optional as they passed through the centuries, or were adopted by different branches to signify either a political or religious adherence. Hence, there a many spelling variations of the name Cadieux, including 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 Cadieux family (pre 1700)
More information is included under the topic Early Cadieux Notables in all our PDF Extended History products and printed products wherever possible.
In Canada, the name Cadieux is the 734th most popular surname with an estimated 7,289 people with that name.  However, in Quebec, Canada, the name Cadieux is ranked the 349th most popular surname. 
France finally gave land incentives for 2,000 migrants during the 1700s. Early marriage was encouraged in New France, and youths of 18 took fourteen-year-old girls for their wives. The fur trade was developed and attracted migrants, both noble and commoner from France. 15,000 explorers left Montreal in the late 17th and 18th centuries, leaving French names scattered across the continent. The search for the Northwest passage continued. Migration from France to New France or Quebec, as it was now more popularly called, continued until 1759. By 1675, there were 7000 French in Quebec. By the same year the Acadian presence in Nova Scotia, New Brunswick and Prince Edward Island had reached 500. In the treaty of Utrecht, the Acadians were ceded by France to Britain in 1713. In 1755, 10,000 French Acadians refused to take an oath of allegiance to England and were deported. They found refuge in Louisiana. Meanwhile, in Quebec, the French race flourished, founding in Lower Canada, one of the two great solitudes which became Canada. Many of this distinguished family name Cadieux were prominent in social, cultural, religious and political affairs in France and New France. Amongst the settlers in North America with this distinguished name Cadieux were
Cadieux Settlers in United States in the 19th Century
Cadieux Settlers in United States in the 20th Century
Some of the first settlers of this family name were:
Cadieux Settlers in Canada in the 17th Century
Cadieux Settlers in Canada in the 18th Century
Cadieux Settlers in Canada in the 20th Century
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