How Many People Are Named Boleslaus?
An estimated 7 people in the United States have the first name Boleslaus. It is almost exclusively a male name. The average bearer is 99 years old, and Boleslaus peaked in popularity in 1923 with 25 births that year.
Below you will find a full statistical profile of Boleslaus 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 Boleslaus paired with any surname.
Key Insights
- With an average bearer age of 99, Boleslaus is a vintage name most associated with earlier generations. Most living bearers were born before 1937.
- Boleslaus is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
7
About 1 in 48,964,905 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
99
years old
Peak Year
1923
25 births
Total Registered
255
since 1880
Gender Distribution for Boleslaus
Boleslaus is almost exclusively a male name. Out of 255 total births registered, 100.0% were male.
Boleslaus as a male name
Ranked #3,119 in 1932
7 male births in 1932
Peak: 1923 (25 births)
Boleslaus: Popularity Over Time
SSA records for Boleslaus span from the 1910s to the 1930s, covering 3 decades of naming data. The most popular decade for this name was the 1910s, when 129 babies were registered. Boleslaus has declined significantly from its peak in the 1910s. Recent registrations are a fraction of what they were at the name's height.
Boleslaus by Decade
How has Boleslaus 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.
Boleslaus by State
Birth registrations for Boleslaus span all 3 states and territories in the SSA database. The highest counts are in New York, Michigan, Illinois. The lowest are in Illinois, Michigan, New York. On average, about 17 Boleslauss were registered per state.
Boleslaus + Last Name Combinations
How many people share a full name with Boleslaus as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Boleslaus
Other first names starting with B with a similar number of bearers.
Boleslaus: Questions and Answers
How many people in the U.S. are named Boleslaus?
We estimate approximately 7 people named Boleslaus 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 48,964,905 Americans share this first name.
Is Boleslaus a common name?
Boleslaus is classified as "Very Rare" and is more popular than 23.8% of all first names in the SSA database. A total of 255 births have been registered with this name since 1880.
When was Boleslaus most popular?
Boleslaus reached peak popularity in 1923, when 25 babies were given this name. The average age of a living person named Boleslaus is approximately 99 years old, reflecting when the name was most commonly given.
Is Boleslaus a male name?
Boleslaus is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Boleslaus Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Boleslaus Smith, Boleslaus Johnson, Boleslaus 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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