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Vaillancourt (Valencourt) is a surname of French origin, most commonly found in the province of Quebec, Canada.[1]

Brief family history[edit]

Spelling variations of the name include: Vaillant, Vailant, Vailland, Vailand, Le Vailland, Levailland, LeVaillant, Le Vaillant, Levaillant, Vaillancourt, Vaincourt, and Valencourt.

The Vaillancourt name originates from the Northern French regions of Lorraine and Normandy. Ancestors of the family were seated at Gulis, and were important members of the aristocracy of the region.[2]

The origin of the Vaillancourt name can be traced back to the early 13th century in Normandy, France. In 1220, an abbey was built on land belonging to Guillaume D'Abberville on his property at Thum. The abbey was given the name "de Villencourt" in reference to the court of Count William of Ponthieu, held there from 1105 to 1126 A.D. In 1195, D'Abberville married Alice of France, the daughter of Louis VII, King of France. The new marriage gave his court considerable clout; however D'Abberville died within a year of the founding of the abbey. His heirs would eventually produce two kings of England: Edward I and Edward II. The seat of the abbey was moved in 1662 to Abbeville, the capital of Ponthieu, for greater safety during the French Wars of Religion.

The name is Anglicized as Smart. [3] Robert Vaillancourt of Normandy, France, settled in Île d'Orléans, Quebec in 1666. He is thought to be one of the first with the family name to settle in the New World. Louis-Marie Valiant, another settler of North America, was part of an early wave of French settlers that arrived in Louisiana in 1714.[4]


Je ne change point, which translates into English as: "I don't change my mind."

Notable Vaillancourts[edit]