How Many People Are Named Bertrum?
An estimated 91 people in the United States have the first name Bertrum. It is almost exclusively a male name. The average bearer is 66 years old, and Bertrum peaked in popularity in 1916 with 12 births that year.
Below you will find a full statistical profile of Bertrum 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 Bertrum paired with any surname.
Key Insights
- With an average bearer age of 66, Bertrum is a vintage name most associated with earlier generations. Most living bearers were born before 1970.
- Bertrum is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
91
About 1 in 3,766,531 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
66
years old
Peak Year
1916
12 births
Total Registered
246
since 1880
Gender Distribution for Bertrum
Bertrum is almost exclusively a male name. Out of 246 total births registered, 100.0% were male.
Bertrum as a male name
Ranked #8,836 in 1993
5 male births in 1993
Peak: 1916 (12 births)
Bertrum: Popularity Over Time
SSA records for Bertrum span from the 1910s to the 1990s, covering 9 decades of naming data. The most popular decade for this name was the 1920s, when 54 babies were registered. Bertrum has declined significantly from its peak in the 1920s. Recent registrations are a fraction of what they were at the name's height.
Bertrum by Decade
How has Bertrum 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.
Bertrum + Last Name Combinations
How many people share a full name with Bertrum as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Bertrum
Other first names starting with B with a similar number of bearers.
Bertrum: Questions and Answers
How many people in the U.S. are named Bertrum?
We estimate approximately 91 people named Bertrum 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 3,766,531 Americans share this first name.
Is Bertrum a common name?
Bertrum is classified as "Very Rare" and is more popular than 63.2% of all first names in the SSA database. A total of 246 births have been registered with this name since 1880.
When was Bertrum most popular?
Bertrum reached peak popularity in 1916, when 12 babies were given this name. The average age of a living person named Bertrum is approximately 66 years old, reflecting when the name was most commonly given.
Is Bertrum a male name?
Bertrum is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Bertrum Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Bertrum Smith, Bertrum Johnson, Bertrum 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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