How common is the surname Guillaume?

3,230 people in the United States had the surname Guillaume in the 2010 Census, about 1 in every 95,587 Americans. It ranked 9,987th of 162,253 surnames.

Who is the most famous person named Guillaume?

Baptiste Guillaume, Belgian footballer, followed by Henri-Louis-Gustave Guillaume.

Where is the surname Guillaume most common?

Wikidata records people named Guillaume in Belgium.

Is the surname Guillaume getting more or less common?

More common. 2,451 people carried it in the 2000 Census and 3,230 in 2010, up 32%.

Is Guillaume also a first name?

Yes. Guillaume is used as a first name as well as a surname; its first-name page has the meaning and how many babies were given it.

The surname Guillaume

A surname, carried by 3,230 people in the United States.

2 syllables Soundex G450 Also a first name

Every surname held by 100 or more people in the 2010 US Census, most common on the left (162,253 in all). Guillaume is more common than 93.8% of them.

How common it is

2010 US Census

There were 3,230 people named Guillaume in the United States in 2010, about 1 in every 95,587 Americans. That is up 32% since 2000, when the Census counted 2,451.

#9,987

rank among US surnames

3,230

people in 2010

1.1

per 100,000 Americans

+31.8%

change since 2000 (was #11,719)

Rank	Surname	People	1 in
#9,978	Million	3,233	95,498
#9,983	Line	3,231	95,557
#9,987	Chavers	3,230	95,587
#9,989	Sonnenberg	3,229	95,616
#9,991	Leek	3,228	95,646
#9,994	Shoaf	3,227	95,676

Who is named Guillaume

Race and Hispanic origin as people reported it in the 2010 Census

68% of people named Guillaume identified as Black (not Hispanic), 27% as white (not Hispanic) and 2.6% as Hispanic or Latino (any race).

Black (not Hispanic) 68%
White (not Hispanic) 27%
Hispanic or Latino (any race) 2.6%
Two or more races 2.3%

The Census suppresses very small shares to protect privacy; Asian & Pacific Islander, Native American are not shown.

Compare: most common surnames among Black Americans.

Famous Guillaumes

3 notable people on Wikidata, most written-about first

Baptiste Guillaume
Belgian footballer, born 1995
Henri-Louis-Gustave Guillaume
Belgian soldier and historian (1812–1877)
Jean Guillaume
Belgian writer (1918-2001)

Spellings and sound-alikes

Useful when a record has your ancestor under another spelling

Surnames that sound like Guillaume

Guillaume has the Soundex code G450, the code US census indexes have used since the 1930s. Every surname with code G450.

Questions

How common is the surname Guillaume?: 3,230 people in the United States had the surname Guillaume in the 2010 Census, about 1 in every 95,587 Americans. It ranked 9,987th of 162,253 surnames.
What ethnicity is the surname Guillaume?: In the 2010 Census, 68% of people named Guillaume identified as Black (not Hispanic), and 27% as white (not Hispanic).
Who is the most famous person named Guillaume?: Baptiste Guillaume, Belgian footballer, followed by Henri-Louis-Gustave Guillaume.
Where is the surname Guillaume most common?: Wikidata records people named Guillaume in Belgium.
Is the surname Guillaume getting more or less common?: More common. 2,451 people carried it in the 2000 Census and 3,230 in 2010, up 32%.
Is Guillaume also a first name?: Yes. Guillaume is used as a first name as well as a surname; its first-name page has the meaning and how many babies were given it.