Guillaume
Boy nameGuillaume has been given to 342 babies in the U.S. since 1967. It peaked in 1997.
Popularity over time births per year, 1880–2025
Total babies
342
Peak year
1997 (19 babies)
Rank in 2025
Below top 1000
First recorded
1967
10-year trend
New / returning
Gender split
All boys
Names with a similar vibe
Same primary gender, peaked around the same years, and roughly as common as Guillaume.
Sibling name ideas for Guillaume
Same era and popularity as Guillaume, avoiding matching initials or rhymes.
FAQ
How popular is the name Guillaume?
Guillaume has been given to 342 babies in the U.S. since 1967. It ranked below the top 1000 in 2025.
When did the name Guillaume peak?
Guillaume peaked in 1997, when 19 babies were given the name.
Is Guillaume a girl or boy name?
Guillaume is primarily a boy name (100% of babies named Guillaume are boys).
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