Dupuy

Dupuy is a French surname of toponymic origin. It derives from the old French phrase du puy, meaning “from the hill” or “of the hill,” and is associated with places named Puy or Le Puy in France. The spelling Dupuy is one of several variants, including Dupuis, DuPuy, and Dupuyt, reflecting regional pronunciations and orthographic changes over time.

The name is most common in France, particularly in the central and western regions, but has spread to other French-speaking areas. It is well represented in Belgium and Canada, especially in Quebec, as well as in the United States and other countries through immigration and diaspora.

As a toponymic surname, Dupuy often indicated origin from a hill locale rather than occupation or patronymic derivation. The surname appears in historical records and genealogical sources dating to the medieval period, and it has diversified into numerous family lines.

Notable associations: The surname Dupuy has been borne by many individuals across politics, science, arts, and sports. In addition to personal name bearers, “du Puy” elements appear in place names and street names in French-speaking regions, reflecting geographic origins of families bearing the name.