Language(s) French Anglicisation(s) William | Language(s) Germanic languages See also Guillaume (given name) | |
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Meaning Vehement protector (Will + helmet (protection)) |
Guillaume is the French equivalent of William (name), which is of old Germanic origin.
As a surname, it was first recorded in Normandy, where the ancient family seat was located.
People with this surname
References
Guillaume (surname) Wikipedia(Text) CC BY-SA