How Many People Are Named Willem Dafoe?
There are approximately 1 people named Willem Dafoe living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 342,754,338 Americans.
This estimate combines SSA birth records for the first name Willem with Census Bureau frequency data for the surname Dafoe. Below you will find a breakdown of both names, including popularity trends, gender data, and Census background data where it is available.
Estimated People with This Name
1
1 in 342,754,338 Americans
Combination Rarity
Very Rare
First Name
View full profileWillem
Last Name
View full profileDafoe
Willem: Popularity Over Time
Year-by-year SSA birth registrations for the first name Willem. The peak year was 2003 with 122 births. The average person named Willem today is 21 years old.
Ancestry of the First Name Willem
In the 2020 Census, the first name Willem was most commonly recorded among people who identified as White (81.08%). The next largest recorded groups were Two or More Races (9.16%) and Hispanic (4.29%).
These percentages describe the people who had the first name Willem in the 2020 Census. They do not tell you the deeper origin or meaning of the name itself.
Read this as a snapshot of who already had the name in 2020, not as a trend line. The SSA chart above is still the better way to see how Willem rose or fell over time.
Ancestry of the Dafoe Surname
The surname Dafoe was most commonly recorded among people who identified as White in the 2020 Census.
This is a self-reported race and ethnicity breakdown for people who had the surname Dafoe in the published Census surname tables. It gives useful context around who was recorded with the name, but it does not tell the full family history of every Boone line.
How we calculated this
The first name "Willem" has an estimated frequency of < 0.0001% among living Americans, based on SSA birth records from 1880 to 2024 adjusted for mortality using CDC 2023 life tables.
The surname "Dafoe" appears at a rate of 0.24 per 100,000 people in the 2020 U.S. Census.
We do not use the Census first-name snapshot for the main estimate because it is only published once every 10 years. The latest public first-name Census file is from 2020, which is already 6 years old. SSA birth records plus CDC survival data give a better current estimate of how many people with the first name Willem are likely to be alive now.
Multiplying these frequencies against the U.S. population of ~343 million gives 1 estimated people. This assumes first names and last names are statistically independent. Full methodology.
Other people named Willem
Other people with the surname Dafoe
Willem Dafoe: Questions and Answers
How many people are named Willem Dafoe?
We estimate approximately 1 people named Willem Dafoe are alive in the United States today. The first name Willem is shared by 2,699 Americans, and the surname Dafoe is shared by 835.
How rare is the name Willem Dafoe?
This name combination is classified as Very Rare, occurring at a rate of about 1 in 342,754,338 Americans. The first name Willem is rare and the surname Dafoe is very rare.
Is Willem a male or female name?
Willem is predominantly male, with 100.0% of bearers being male and 0.0% female. It peaked in popularity in 2003 and the average bearer today is 21 years old.
What does the Census say about the first name Willem?
In the 2020 Census, the first name Willem was most commonly recorded among people who identified as White (81.08%). The next largest recorded groups were Two or More Races (9.16%) and Hispanic (4.29%). These percentages describe the people who had the name in the 2020 Census, not the deeper origin of the name itself.
Where does this data come from?
First name data comes from the Social Security Administration (1880 to 2024), adjusted for survival using CDC 2023 life tables. When available, first-name Census background data comes from the 2020 U.S. Census Bureau first-name tables. Surname data comes from the 2020 U.S. Census Bureau. Full methodology.
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