Guillaume is the French equivalent of William (name), which is of old Germanic origin.[1]

Guillaume
Guillaume le Conquérant (William the Conqueror)
Language(s)French
Origin
Language(s)Germanic languages
MeaningVehement protector (Will + helmet (protection))
Other names
Anglicisation(s)William
See alsoGuillaume (given name)

Among its oldest well-known carriers was Charlemagne's cousin William of Gellone.

People with this surname

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See also

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References

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  1. ^ Hanks, Hardcastle and Hodges, Oxford Dictionary of First Names, Oxford University Press, 2nd edition, ISBN 978-0-19-861060-1, p.276.