How Many People Are Named Willem?
An estimated 2,699 people in the United States have the first name Willem. It is almost exclusively a male name. The average bearer is 21 years old, and Willem peaked in popularity in 2003 with 122 births that year.
Below you will find a full statistical profile of Willem as a first name in the United States, including gender data, a year-by-year popularity timeline going back to 1880, a decade breakdown, and state-by-state birth registrations. You can also check how many people share the full name Willem paired with any surname.
Estimated Living Americans
2,699
About 1 in 126,993 people in the U.S.
Rarity
Rare
Predicted Gender
Male
100.0% confidence
Average Age
21
years old
Peak Year
2003
122 births
Total Registered
2,788
since 1880
Gender Distribution for Willem
Willem is almost exclusively a male name. Out of 2,788 total births registered, 100.0% were male.
Willem as a male name
Ranked #2,664 in 2024
50 male births in 2024
Peak: 2003 (122 births)
Willem: Popularity Over Time
SSA records for Willem span from the 1910s to the 2020s, covering 12 decades of naming data. The most popular decade for this name was the 2000s, when 1,002 babies were registered. Willem has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Willem by Decade
How has Willem tracked across different eras? The table below groups all SSA birth registrations into 10-year periods, with separate male and female counts. The colored bar shows each decade's share relative to the peak.
Willem by State
Birth registrations for Willem span all 20 states and territories in the SSA database. The highest counts are in California, New York, Michigan. The lowest are in Oregon, Indiana, Georgia. On average, about 47 Willems were registered per state.
Willem + Last Name Combinations
How many people share a full name with Willem as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Willem
Other first names starting with W with a similar number of bearers.
Willem: Questions and Answers
How many people in the U.S. are named Willem?
We estimate approximately 2,699 people named Willem are alive in the United States today. This is based on SSA birth records from 1880 to 2024, adjusted for mortality using CDC life tables. About 1 in 126,993 Americans share this first name.
Is Willem a common name?
Willem is classified as "Rare" and is more popular than 94.8% of all first names in the SSA database. A total of 2,788 births have been registered with this name since 1880.
When was Willem most popular?
Willem reached peak popularity in 2003, when 122 babies were given this name. The average age of a living person named Willem is approximately 21 years old, reflecting when the name was most commonly given.
Is Willem a male name?
Willem is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Willem Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Willem Smith, Willem Johnson, Willem Williams. You can also search any combination on our homepage.
Where does this data come from?
Our estimates use Social Security Administration birth records (1880 to 2024), adjusted for survival using CDC 2023 life tables broken down by sex. The U.S. population figure (342,754,338) is from the Census Bureau's July 2025 estimate. Full methodology.
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