9BabyNames Baby names with meanings & US popularity data Italiano

Guillaume

Pronunciation
[Gui-llaume]
Gender
Male
Meaning
Variant Of William Resolute Protector.
Origin
French

Guillaume Popularity Snapshot

Across the entire US Social Security Administration record (1880–2024), 341 baby boys have been named Guillaume. The name peaked in 1997 with 19 US births that year (rank #3648). In 2024, ranked #11365 nationally — 7,717 places below its 1997 peak.

Other French-Origin Names Like Guillaume

If you like Guillaume's French origin, consider these related names: Abelia, Abella, Acel, Aceline, Adalene. Browse all French names →

9-Letter Names Starting with G

Names with Guillaume's exact length and starting letter: Gabreilla, Gabriella, Gabrielle, Gabryella, Galahault.

Quick Facts About Guillaume

1,414
French baby names in our dictionary
571
French male names
68
9-letter G-names in our dictionary
470
G-male names total
Not in registry
US SSA records — name appears fewer than 5 times in any year

Variant Forms

NameMeaningGenderOrigin
Gillermo Variant Of William Resolute Protector. Male Spanish
Guillermo Variant Of William Resolute Protector. Male Spanish

Famous People Named Guillaume

1 notable figure from history and culture who share the name Guillaume.

Browse more famous Guillaumes and similar first names →

Looking for names like Guillaume?

A dedicated page with 60+ related names — spelling variants, rhymes, alliterations, same-origin matches, and shared meaning concepts — lives at its own URL so each kind of similarity gets a deeper treatment than fits here.

See all names like Guillaume →

Compare Guillaume to Other Popular Names

Side-by-side popularity charts and crossover years for Guillaume against today's most popular boys-name peers (top 8 by US births in the last 10 years of SSA records).

Compare to a different name →

Guillaume Baby Name Ideas