Baby Names US
boys' name ★ peaked 1997

Guillaume

Meaning From French Gender Boy Rank 2025 Below top lists

From French. Doublet of Guillermo, William, and Wilhelm, etc.

Rank 2025
–
among boys
Babies in 2025
<5
named Guillaume
How common
–
boys born in 2025
Peak year
1997
19 babies
All-time total
342
#9,880 all-time among boys
First recorded
1967
in Social Security records

Guillaume popularity over time

342 babies have been named Guillaume since 1967, according to official Social Security records. Switch measure to see births per year or the yearly rank.

Measure
Births per 1,000 babies of that sex, comparable across eras
00.010.010.0218801900192019401960198020002020Peak 1997Boys

By decade. Change compares yearly averages, so the current partial decade is on equal footing. Best rank is the name's best yearly rank within the decade.

Decade Boys Per year Change Best rank
1880s – – – –
1890s – – – –
1900s – – – –
1910s – – – –
1920s – – – –
1930s – – – –
1940s – – – –
1950s – – – –
1960s 5 1 – #4,192
1970s 35 4 +600% #3,761
1980s 80 8 +129% #3,970
1990s 114 11 +43% #3,648
2000s 70 7 -39% #6,364
2010s 32 3 -54% #9,091
2020s (to 2025) 6 1 -69% #11,406

The story of Guillaume

Guillaume is not currently in use for newborns in the United States: fewer than five babies received the name in 2025. Its story lives in the historical record below.

Since 1967, 342 American babies have been named Guillaume. Its peak came in 1997, when 19 newborns received the name, the signature sound of the 1990s.

The chart above shows the full history: the popularity view (births per 1,000 babies) is the honest comparison across generations, since total US births have changed enormously since 1880. Switch to the rank view to see where Guillaume stood among all boys' names in any year, or use the compare tool to plot it against other names.

How old are people named Guillaume?

The median living Guillaume is about 29 years old; half are between 22 and 39. An estimated 300 people named Guillaume are alive in the United States today.

median 29 020406080100

Estimated from births per year and Social Security period life tables; an approximation of the living age distribution, by age in years.

Guillaume year by year

Every year since 2001, and five-year steps back to 1880. Rank is within each sex.

Year Boys Boys rank
2025 – –
2024 6 #11,406
2023 – –
2022 – –
2021 – –
2020 – –
2019 – –
2018 – –
2017 – –
2016 5 #12,885
2015 – –
2014 – –
2013 7 #10,028
2012 7 #10,081
2011 5 #12,964
2010 8 #9,091
2009 – –
2008 8 #9,283
2007 9 #8,428
2006 6 #11,124
2005 12 #6,364
2004 7 #9,265
2003 6 #10,017
2002 7 #8,778
2001 9 #7,117
2000 6 #9,515
1995 8 #6,603
1990 12 #4,505
1985 – –
1980 9 #4,270
1975 6 #5,036
1970 – –
1965 – –
1960 – –
1955 – –
1950 – –
1945 – –
1940 – –
1935 – –
1930 – –
1925 – –
1920 – –
1915 – –
1910 – –
1905 – –
1900 – –
1895 – –
1890 – –
1885 – –
1880 – –

Famous people named Guillaume

The most globally famous bearers of the name, ranked by fame across Wikipedia editions (Pantheon project, MIT).

  1. 1 Guillaume Canet Guillaume Canet French actor, film director and screenwriter (born 1973) Contemporary
  2. 2 Guillaume Apollinaire Guillaume Apollinaire French poet and writer (1880–1918) 19th century
  3. 3 Guillaume Depardieu Guillaume Depardieu French actor (1971–2008) Contemporary
  4. 4 Guillaume, Hereditary Grand Duke of Luxembourg Guillaume, Hereditary Grand Duke of Luxembourg Grand Duke of Luxembourg since 2025 b. 1981 · Contemporary
  5. 5 Guillaume de l'Hôpital Guillaume de l'Hôpital French mathematician (1661–1704) 17th century
  6. 6 Guillaume de Machaut Guillaume de Machaut Medieval French composer and poet (c. 1300–1377) Medieval
  7. 7 Guillaume Faye Philosopher, France 1949–2019 · Contemporary
  8. 8 Guillaume Du Fay Guillaume Du Fay Composer of the Renaissance (1397–1474) Medieval
  9. 9 Guillaume Brune Guillaume Brune French Marshal 1763–1815 · 18th century
  10. 10 Guillaume Musso Writer, France b. 1974 · Contemporary
  11. 11 Guillaume de Nogaret Guillaume de Nogaret 13/14th-century French statesman 1260–1313 · Medieval
  12. 12 Guillaume Le Gentil French astronomer (1725–1792) 18th century
  13. 13 Guillaume Henri Dufour Guillaume Henri Dufour Swiss soldier, engineer, and topographer (1787–1875) 18th century
  14. 14 Guillaume Dupuytren Guillaume Dupuytren French anatomist and military surgeon (1777–1835) 18th century
  15. 15 Guillaume Thomas François Raynal Guillaume Thomas François Raynal French writer (1713–1796) 18th century
  16. 16 Guillaume Postel Guillaume Postel French linguist, astronomer, diplomat, and professor (1510–1581) 16th century
  17. 17 Guillaume Dubois Guillaume Dubois French cardinal and statesman (1656–1723) 17th century
  18. 18 Guillaume de Beaujeu Guillaume de Beaujeu 21st Grand Master of the Knights Templar 1300–1291 · Medieval
  19. 19 Guillaume Amontons Guillaume Amontons French scientific instrument inventor and physicist (1663-1705) 17th century
  20. 20 Guillaume Cale Guillaume Cale 14th-century French peasant rebel leader 1350–1358 · Medieval

Portraits from Wikipedia (Wikimedia Commons).

Frequently asked questions

Quick answers about Guillaume, drawn from the same Social Security data as the charts above.

How old is the average Guillaume?

The median living Guillaume is about 29 years old. Half of all living Guillaumes are between 22 and 39 years old.

How many people named Guillaume are alive today?

An estimated 300 people named Guillaume are alive in the United States, based on 342 recorded births and Social Security life tables.

What does the name Guillaume mean?

From French. Doublet of Guillermo, William, and Wilhelm, etc.

How popular is the name Guillaume in 2025?

Guillaume did not appear in the 2025 Social Security data, which means fewer than five babies received the name that year.

How many people are named Guillaume?

342 babies have been named Guillaume in the United States since 1967, based on Social Security card applications.

When was the name Guillaume most popular?

Guillaume peaked in 1997, when 19 newborns received the name.

Is Guillaume a boy or girl name?

Guillaume is overwhelmingly a boy's name: 100% of babies with the name.

Is the name Guillaume rising or falling?

Guillaume has been roughly stable over the past decade.

Who are famous people named Guillaume?

Well-known people named Guillaume include Guillaume Canet (actor), Guillaume Apollinaire (writer), Guillaume Depardieu (actor).

Names like Guillaume

Names that sound and feel close to Guillaume: shared sounds, similar era, similar popularity. Each links to its full history.

Compare Guillaume with similar names → More names starting with G →