How Many People Are Named Cephas?
An estimated 479 people in the United States have the first name Cephas. It is almost exclusively a male name. The average bearer is 43 years old, and Cephas peaked in popularity in 1921 with 23 births that year.
Below you will find a full statistical profile of Cephas 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 Cephas paired with any surname.
Estimated Living Americans
479
About 1 in 715,562 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
43
years old
Peak Year
1921
23 births
Total Registered
911
since 1880
Gender Distribution for Cephas
Cephas is almost exclusively a male name. Out of 911 total births registered, 100.0% were male.
Cephas as a male name
Ranked #8,407 in 2024
9 male births in 2024
Peak: 1921 (23 births)
Cephas: Popularity Over Time
SSA records for Cephas span from the 1890s to the 2020s, covering 14 decades of naming data. The most popular decade for this name was the 1920s, when 155 babies were registered. While Cephas is less common than at its peak in the 1920s, it remains a well-established name with steady registrations.
Cephas by Decade
How has Cephas 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.
Cephas by State
Cephas + Last Name Combinations
How many people share a full name with Cephas as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Cephas
Other first names starting with C with a similar number of bearers.
Cephas: Questions and Answers
How many people in the U.S. are named Cephas?
We estimate approximately 479 people named Cephas 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 715,562 Americans share this first name.
Is Cephas a common name?
Cephas is classified as "Very Rare" and is more popular than 84.2% of all first names in the SSA database. A total of 911 births have been registered with this name since 1880.
When was Cephas most popular?
Cephas reached peak popularity in 1921, when 23 babies were given this name. The average age of a living person named Cephas is approximately 43 years old, reflecting when the name was most commonly given.
Is Cephas a male name?
Cephas is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Cephas Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Cephas Smith, Cephas Johnson, Cephas 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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