Guillaume
First Name Meaning, Usage, Popularity & Related Names
Guillaume is a Germanic name meaning “resolute protector”. It is a uncommon name, overwhelmingly used for boys, with 99.74% male usage.
Meaning & Origin of the name Guillaume
Guillaume is a name of Germanic origin, serving as the French equivalent of the name William, meaning resolute protector. It is composed of the Germanic elements wil, signifying will or desire, and helm, referring to a helmet or protection. Following the Norman Conquest, this name rose to prominence in France and England, most notably borne by William the Conqueror. The linguistic evolution from the Frankish Willahelm to the modern French form illustrates the transition of Germanic naming patterns into Romance (Latin) languages.
Meaning Comments
- Goodboy1234: The name Guillaume comes from the second river of Eden, Gihon.
- Aux7_es2t_j2: I usually don't care for names that are hard to pronounce (in my opinion), but I love this name.
- Faerie_2185x: I know a Guillaume who is a very good person. But I personally think this is also a very good name. So yes please reserve the history of this name.
Gender Usage of the Name Guillaume
Overall Gender Classification Methodology
Guillaume is overwhelmingly used as a name for boys. Approximately 99.74% of recorded bearers are male. This classification is supported by extensive records and is considered highly reliable.
Popularity of the Name Guillaume
Note: Green bars show popularity (% of births); the violet line shows historical ranking. Data is based on official government birth records. Click any chart to view details by year and region.
Overall PopularityMethodology
Guillaume is listed under Uncommon Boy Names worldwide. Its popularity varies considerably across the available regional markets, with the strongest usage in Canada.
| Region | Popularity | Birth Frequency |
|---|---|---|
| United States | — | — |
| United Kingdom | Uncommon | 1 in every 586K births |
| Canada | Popular | 1 in every 1.7K births |
| Australia | Rare | 1 in every 4.53M births |
Ranking OverviewMethodology
Guillaume ranked #2,376 on the Popular Boys’ Names Worldwide List (2025). It fell from #2,311 in 2024 — a drop of 65 places. Guillaume shows meaningful recent movement in rank, though it remains uncommon overall.
Historically, its best recorded position was #65 in 1984. Its lowest recorded position was #2,376 in 2025. Over the last 5 years (2020–2025) the name fell -1067 places (from #1,309 to #2,376).
Characteristics of the Name Guillaume
Pronunciation & StructureMethodology
- Phonetic Source
- CMU
- Syllables
- 2 syllables — Two-Syllable Boy Names
- Length
- 9 letters — Very Long Boy Names
- Starts with
- G — Boy Names Starting with G
- Ends with
- e — Boy Names Ending in “e”
Name AestheticMethodology
Guillaume is a two-syllable name with a secondary-stressed-stressed pattern, delivering a heavy and resonant finish. Historically tied to Guillaume the Conqueror, the name exudes an Elegant & Timeless and authoritative quality.
Middle Names For Guillaume
Middle names used with GuillaumeMethodology
Guillaume is most frequently used with these boy middle names: Guillaume Charles · Guillaume David · Guillaume Edgard · Guillaume Herve · Guillaume AdrienView all 14 boy middle names.
Middle name suggestions for GuillaumeMethodology
Based on observed first-middle-name pattern combinations, Guillaume is most frequently associated with boy middle names that have 2 syllables, Strong–Weak stress pattern, 6 letters, and a starting sound of “j”.
Examples: Guillaume Joseph · Guillaume Junior · Guillaume Gerald · Guillaume Justin · Guillaume Julius. View all 175 suggested middle names.
Associations of the Name Guillaume
Royal UsageMethodology
Featured among Royal Boy Names, Guillaume has been used by 6 members of European royal families, including:
- Guillaume IV of Luxembourg (born 1842) — Grand Duke
- Guillaume (born 1963) — Prince
Names Similar to Guillaume
Sound Like Guillaume Finder
Names with the exact same overall pronunciation and sound: Callum · Calum · Colm · View all 79 names
Spelled Like Guillaume Finder
Names with similar spelling patterns and letter sequences: Guilllaume · Guilliaume · Guillaumme · View all 12 names
Same Starting Sound Finder
Names that begin with a similar phonetic sound: Gary · Gregory · Gabriel · View all Top 100 names
Rhymes With Guillaume Finder
Names that share similar ending sounds and rhymes: William · Adam · Liam · View all Top 100 names
Same Rhythm & Syllables Finder
Names with matching syllable stress and pronunciation rhythm: Jose · Aiden · Tyrone · View all Top 100 names
Dictionary & Etymology of “Guillaume”
Dictionary Meaning of "Guillaume"Methodology
A male given name from French
More Info
How to Spell Guillaume in ASL
- G
- u
- i
- l
- l
- a
- u
- m
- e
Comments on the name Guillaume
Community CommentsShowing 5 of 12 comments
Dragonyte47
The name Guillaume was pretty popular in France in the beginning of the 20th century, experienced a decline from the 1930's to the 1970's, and became very popular in the 1980's. It was the 48th most popular name given to boys in the 20th century.
Nathol_hide
I know someone with this as their surname, and they pronounce it GIL-ee-um.
Yoyziomalyoy
Guillaume Junior Atangana (b. 1999) is a Cameroonian-born British Paralympic athlete who competed for the Refugee Paralympic Team at the 2024 Summer Paralympics in Paris. Guillaume Ouellet (b. 1986) is a Canadian Paralympic athlete who competed at the 2024 Summer Paralympics in Paris.
Kipknots_ftw
Guillaume Canet is a French actor, film director and screenwriter and show jumper. Canet began his career in theatre and television before moving to film. He starred in several films like Joyeux Noël, Love Me If You Dare and The Beach. In 2006, he turned to writing and directing with Tell No One and won a César Award for Best Director.
Xspex_dropzx
French house duo Daft Punk's Guy-Manuel de Homen-Christo was born Guillaume Emmanuel de Homem-Christo.