How Many People Are Named Guillaume?
Complete statistics for the name Guillaume: rarity score, gender breakdown, age distribution, historical popularity, worldwide data, meaning and origin.
Guillaume is the French form of William, rooted in Germanic elements meaning "resolute protector." There are only about 328 people living in the US with this name today, which means roughly 1 in 1,007,042 Americans share it. It's a genuinely modern pick stateside, peaking in 1997 with just 19 births.
📖 Meaning & Origin
Life-path number 11 is considered a master number, symbolizing intuition, spiritual insight, and visionary thinking. It's often linked to people who are deeply empathetic and driven to inspire others through their ideals.
🌍 Worldwide Usage
⚥ Gender Distribution
📊 Births by Age Group
Avg Cohort Age: 32All 341 recorded US births for this name, grouped by the age those individuals would be today. Not adjusted for survival, so the number living today is lower (see the living estimate above).
📈 Popularity Over Time
Peak: 1997Annual US births from SSA records · Trend: Declining
🏆 Name Scorecard
Scores 0–100 based on statistical analysis of US and worldwide name frequency
📜 Guillaume Through the Generations
Guillaume hasn't had a long history in the United States, and that's reflected clearly in the numbers. With only 341 total births recorded, it's a name that didn't gain any real traction until the late 20th century. The average bearer is about 32 years old, and there aren't any living holders over 60, confirming this is strictly a modern-generation name in the US. A notable 46% of people named Guillaume, around 156 individuals, are under 30, while 185 fall in the 30-to-60 range. The peak year was 1997, when 19 babies received the name, but the trend has been declining since. Globally, it's a different story altogether. Guillaume ranks #2,794 worldwide with 372,827 living bearers, and it's overwhelmingly popular in France, where it's been a classic for centuries. In America, though, it remains a very rare cultural import, chosen mostly by families with French heritage or a love of French tradition. Don't expect a comeback anytime soon, as the trajectory continues downward.
⭐ Famous People Named Guillaume
Guillaume is the French equivalent of William, which is of old Germanic origin from wille + helm. It is an Oïl form corresponding to Occitan Guilhem and the Catalan form Guillem.…
Full list on Wikipedia →🌿 Related Names by Origin
Other names sharing Guillaume's Old French (from Germanic) roots
📄 About the Name Guillaume
How Many People Have the Name Guillaume?
Based on Social Security Administration birth records and age-adjusted survival modeling, approximately 3,611 people in the United States currently share the name Guillaume. That works out to roughly 1 in every 91,789 Americans, placing it in the Rare category.
Is Guillaume a Common or Rare Name?
Guillaume is classified as Rare. The rarity scale runs from Very Common (shared by millions) through Common, Uncommon, Rare, and Very Rare. Understanding where a name sits helps parents gauge uniqueness, genealogists narrow down records, and individuals settle debates about their own name's distinctiveness.
What Does the Name Guillaume Mean?
Guillaume means "Resolute protector" and comes from Old French (from Germanic) origins. The name carries a life-path numerology number of 11.
Gender Breakdown
Of all recorded bearers of Guillaume in SSA data, approximately 100% are male and 0% are female.
When Was Guillaume Most Popular?
The name Guillaume reached peak popularity in 1997, with 19 babies registered that year. Current trend: Declining.
How Is This Data Calculated?
All figures are statistical estimates, not exact government headcounts. The underlying data comes from the SSA National Baby Names dataset. Full methodology is explained on the methodology page.
❓ Frequently Asked Questions
How many people are named Guillaume?
Approximately 3,611 people named Guillaume live in the United States today. All-time US births on record total 3,611. That works out to roughly 1 in 91,789 Americans.
Is Guillaume a rare name?
Guillaume is classified as Rare in the United States. Approximately 1 in every 91,789 Americans has this name.
What does the name Guillaume mean?
Guillaume means "Resolute protector" and comes from Old French (from Germanic) origins.
Is Guillaume more male or female?
Based on SSA records, 100% of people named Guillaume are male and 0% are female.
When was Guillaume most popular?
Guillaume peaked in 1997 with 19 births that year. Current trend: Declining.
How accurate are these statistics?
All figures are statistical estimates based on SSA birth records and age-adjusted modeling. See the methodology page for full details.