Guillaume
- US rank
- Unranked
- Syllables
- 2
- Peak
- #3,601 in 1997
0 babies were named Guillaume in the US in 2025.
Found on lists
Save adds it to your list. Vote moves it up the top voted names.
US births per million boys, 1967–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Guillaume you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- HistoryGuillaume first shows up in US birth records in 1967, the first year at least 5 babies got it. It has been in use for 58 years since.
- Best yearIts best year was 1997, when it reached #3,601.
About the name Guillaume
Guillaume is a boy name of French and German origin. It has 9 letters and 2 syllables, starting with G and ending in “-ume”. US birth records list Guillaume for boys from 1967 to 2024, in 40 of those 58 years. Its best year was 1997, when it ranked #3,601 among boy names. It hasn't been given to 5 or more US babies in a year since 2024, so today it's a genuinely rare choice.
Origin:French namesGerman names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1960s | 1.0 | 1,034,483 boys |
| 1970s | 2.1 | 465,116 boys |
| 1980s | 4.3 | 230,947 boys |
| 1990s | 5.9 | 170,068 boys |
| 2000s | 3.5 | 286,533 boys |
| 2010s | 1.7 | 595,238 boys |
| 2020s | 0.7 | 1,428,571 boys |
More French boy names
- Boy name: Sebastian · venerable
- Boy name: Leo · lion
- Boy name: Daniel · God is my judge
- Unisex name: Gabriel · God is my strength
- Unisex name: Wyatt · brave in war
- Boy name: Charles · free man
- Unisex name: Beau · handsome
- Boy name: Robert · bright fame
Questions about the name Guillaume
What is the origin of the name Guillaume?
Guillaume has French, German roots in our records. Other French names include Sebastian, Leo, Daniel.
Is Guillaume a boy or girl name?
Guillaume is a boy name.
How popular is the name Guillaume?
Guillaume is rare: fewer than 5 US boys got it in 2025, and it was last given to 5 or more in 2024. It peaked at #3,601 in 1997.