Guillet
Guillet was a French surname that originated in the northern region of France. It is derived from the Old French word "gillet," which means "young man" or "boy." The name likely referred to a member of a family whose name was associated with youth or vigor.
In the Middle Ages, the name Guillet was primarily found in the provinces of Normandy and Flanders.
Throughout history, the surname Guillet has been recorded in various forms, including Guillet, Guillet de Châtillon,
Today, the surname Guillet can be found in many countries around the world. In France, the name