How Many People Are Named Zefram?
An estimated 10 people in the United States have the first name Zefram. It is almost exclusively a male name. The average bearer is 19 years old, and Zefram peaked in popularity in 2000 with 5 births that year.
Below you will find a full statistical profile of Zefram 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 Zefram paired with any surname.
Key Insights
- Zefram is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
10
About 1 in 34,275,434 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
19
years old
Peak Year
2000
5 births
Total Registered
10
since 1880
Gender Distribution for Zefram
Zefram is almost exclusively a male name. Out of 10 total births registered, 100.0% were male.
Zefram as a male name
Ranked #14,043 in 2013
5 male births in 2013
Peak: 2000 (5 births)
Zefram: Popularity Over Time
SSA records for Zefram span from the 2000s to the 2010s, covering 2 decades of naming data. The most popular decade for this name was the 2010s, when 5 babies were registered. Zefram remains highly popular today, with recent registration numbers near its historical peak.
Zefram by Decade
How has Zefram 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.
Zefram + Last Name Combinations
How many people share a full name with Zefram as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Zefram
Other first names starting with Z with a similar number of bearers.
Zefram: Questions and Answers
How many people in the U.S. are named Zefram?
We estimate approximately 10 people named Zefram 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 34,275,434 Americans share this first name.
Is Zefram a common name?
Zefram is classified as "Very Rare" and is more popular than 28.5% of all first names in the SSA database. A total of 10 births have been registered with this name since 1880.
When was Zefram most popular?
Zefram reached peak popularity in 2000, when 5 babies were given this name. The average age of a living person named Zefram is approximately 19 years old, reflecting when the name was most commonly given.
Is Zefram a male name?
Zefram is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Zefram Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Zefram Smith, Zefram Johnson, Zefram 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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