How Many People Are Named Ciel?
An estimated 658 people in the United States have the first name Ciel. It is used for both genders, with 56.0% female. The average bearer is 10 years old, and Ciel peaked in popularity in 2023 with 54 births that year.
Below you will find a full statistical profile of Ciel 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 Ciel paired with any surname.
Estimated Living Americans
658
About 1 in 520,903 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
56.0% confidence
Average Age
10
years old
Peak Year
2023
54 births
Total Registered
663
since 1880
Gender Distribution for Ciel
Ciel is a genuinely unisex name, used for both males (44.0%) and females (56.0%). Out of 663 total births registered, 292 were male and 371 were female.
Ciel as a male name
Ranked #3,991 in 2024
27 male births in 2024
Peak: 2021 (32 births)
Ciel as a female name
Ranked #4,902 in 2024
27 female births in 2024
Peak: 2024 (27 births)
Ciel: Popularity Over Time
SSA records for Ciel span from the 1990s to the 2020s, covering 4 decades of naming data. The most popular decade for this name was the 2010s, when 330 babies were registered. While Ciel is less common than at its peak in the 2010s, it remains a well-established name with steady registrations.
Ciel by Decade
How has Ciel 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.
Ciel by State
Birth registrations for Ciel span all 4 states and territories in the SSA database. The highest counts are in California, Texas, Florida. The lowest are in New York, Florida, Texas. On average, about 29 Ciels were registered per state.
Ciel + Last Name Combinations
How many people share a full name with Ciel as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Ciel
Other first names starting with C with a similar number of bearers.
Ciel: Questions and Answers
How many people in the U.S. are named Ciel?
We estimate approximately 658 people named Ciel 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 520,903 Americans share this first name.
Is Ciel a common name?
Ciel is classified as "Very Rare" and is more popular than 87.1% of all first names in the SSA database. A total of 663 births have been registered with this name since 1880.
When was Ciel most popular?
Ciel reached peak popularity in 2023, when 54 babies were given this name. The average age of a living person named Ciel is approximately 10 years old, reflecting when the name was most commonly given.
Is Ciel a female name?
Ciel is predominantly female. 56.0% of people with this name are female. See the gender breakdown above for full details.
How many Ciel Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Ciel Smith, Ciel Johnson, Ciel 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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