How Many People Are Named Cyril?
An estimated 4,459 people in the United States have the first name Cyril. It is predominantly male (99.2%). The average bearer is 51 years old, and Cyril peaked in popularity in 1916 with 338 births that year.
Below you will find a full statistical profile of Cyril 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 Cyril paired with any surname.
Key Insights
- While Cyril is overwhelmingly male, 97 female births have been registered with this name since 1880.
Estimated Living Americans
4,459
About 1 in 76,868 people in the U.S.
Rarity
Rare
Predicted Gender
Male
99.2% confidence
Average Age
51
years old
Peak Year
1916
338 births
Total Registered
12,090
since 1880
Gender Distribution for Cyril
Cyril is almost exclusively a male name. Out of 12,090 total births registered, 99.2% were male.
Cyril as a male name
Ranked #2,997 in 2024
41 male births in 2024
Peak: 1916 (328 births)
Cyril as a female name
Ranked #12,221 in 1988
5 female births in 1988
Peak: 1916 (10 births)
Cyril: Popularity Over Time
SSA records for Cyril span from the 1880s to the 2020s, covering 15 decades of naming data. The most popular decade for this name was the 1920s, when 2,702 babies were registered. Cyril has declined significantly from its peak in the 1920s. Recent registrations are a fraction of what they were at the name's height.
Cyril by Decade
How has Cyril 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.
Cyril by State
Birth registrations for Cyril span all 34 states and territories in the SSA database. The highest counts are in Pennsylvania, New York, Ohio. The lowest are in Tennessee, Montana, Georgia. On average, about 195 Cyrils were registered per state.
Cyril + Last Name Combinations
How many people share a full name with Cyril as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Cyril
Other first names starting with C with a similar number of bearers.
Cyril: Questions and Answers
How many people in the U.S. are named Cyril?
We estimate approximately 4,459 people named Cyril 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 76,868 Americans share this first name.
Is Cyril a common name?
Cyril is classified as "Rare" and is more popular than 96.3% of all first names in the SSA database. A total of 12,090 births have been registered with this name since 1880.
When was Cyril most popular?
Cyril reached peak popularity in 1916, when 338 babies were given this name. The average age of a living person named Cyril is approximately 51 years old, reflecting when the name was most commonly given.
Is Cyril a male name?
Cyril is predominantly male. 99.2% of people with this name are male. See the gender breakdown above for full details.
How many Cyril Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Cyril Smith, Cyril Johnson, Cyril 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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