How Many People Are Named Willmar?
An estimated 1 people in the United States have the first name Willmar. It is almost exclusively a male name. The average bearer is 155 years old, and Willmar peaked in popularity in 1915 with 9 births that year.
Below you will find a full statistical profile of Willmar 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 Willmar paired with any surname.
Key Insights
- With an average bearer age of 155, Willmar is a vintage name most associated with earlier generations. Most living bearers were born before 1881.
- Willmar is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
1
About 1 in 342,754,338 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
155
years old
Peak Year
1915
9 births
Total Registered
65
since 1880
Gender Distribution for Willmar
Willmar is almost exclusively a male name. Out of 65 total births registered, 100.0% were male.
Willmar as a male name
Ranked #4,139 in 1928
6 male births in 1928
Peak: 1915 (9 births)
Willmar: Popularity Over Time
SSA records for Willmar span from the 1910s to the 1920s, covering 2 decades of naming data. The most popular decade for this name was the 1920s, when 35 babies were registered. Willmar remains highly popular today, with recent registration numbers near its historical peak.
Willmar by Decade
How has Willmar 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.
Willmar + Last Name Combinations
How many people share a full name with Willmar as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Willmar
Other first names starting with W with a similar number of bearers.
Willmar: Questions and Answers
How many people in the U.S. are named Willmar?
We estimate approximately 1 people named Willmar 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 342,754,338 Americans share this first name.
Is Willmar a common name?
Willmar is classified as "Very Rare" and is more popular than 3.8% of all first names in the SSA database. A total of 65 births have been registered with this name since 1880.
When was Willmar most popular?
Willmar reached peak popularity in 1915, when 9 babies were given this name. The average age of a living person named Willmar is approximately 155 years old, reflecting when the name was most commonly given.
Is Willmar a male name?
Willmar is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Willmar Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Willmar Smith, Willmar Johnson, Willmar 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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