How Many People Are Named Cesily?
An estimated 92 people in the United States have the first name Cesily. It is almost exclusively a female name. The average bearer is 37 years old, and Cesily peaked in popularity in 1990 with 23 births that year.
Below you will find a full statistical profile of Cesily 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 Cesily paired with any surname.
Key Insights
- Cesily is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
92
About 1 in 3,725,591 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
37
years old
Peak Year
1990
23 births
Total Registered
97
since 1880
Gender Distribution for Cesily
Cesily is almost exclusively a female name. Out of 97 total births registered, 100.0% were female.
Cesily as a female name
Ranked #18,167 in 2007
5 female births in 2007
Peak: 1990 (23 births)
Cesily: Popularity Over Time
SSA records for Cesily span from the 1970s to the 2000s, covering 4 decades of naming data. The most popular decade for this name was the 1990s, when 45 babies were registered. Cesily has declined significantly from its peak in the 1990s. Recent registrations are a fraction of what they were at the name's height.
Cesily by Decade
How has Cesily 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.
Cesily + Last Name Combinations
How many people share a full name with Cesily as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Cesily
Other first names starting with C with a similar number of bearers.
Cesily: Questions and Answers
How many people in the U.S. are named Cesily?
We estimate approximately 92 people named Cesily 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 3,725,591 Americans share this first name.
Is Cesily a common name?
Cesily is classified as "Very Rare" and is more popular than 63.4% of all first names in the SSA database. A total of 97 births have been registered with this name since 1880.
When was Cesily most popular?
Cesily reached peak popularity in 1990, when 23 babies were given this name. The average age of a living person named Cesily is approximately 37 years old, reflecting when the name was most commonly given.
Is Cesily a female name?
Cesily is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Cesily Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Cesily Smith, Cesily Johnson, Cesily 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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