How Many People Are Named Cessily?
An estimated 23 people in the United States have the first name Cessily. It is almost exclusively a female name. The average bearer is 32 years old, and Cessily peaked in popularity in 1990 with 8 births that year.
Below you will find a full statistical profile of Cessily 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 Cessily paired with any surname.
Key Insights
- Cessily is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
23
About 1 in 14,902,363 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
32
years old
Peak Year
1990
8 births
Total Registered
24
since 1880
Gender Distribution for Cessily
Cessily is almost exclusively a female name. Out of 24 total births registered, 100.0% were female.
Cessily as a female name
Ranked #17,081 in 2013
5 female births in 2013
Peak: 1990 (8 births)
Cessily: Popularity Over Time
SSA records for Cessily span from the 1980s to the 2010s, covering 3 decades of naming data. The most popular decade for this name was the 1980s, when 11 babies were registered. While Cessily is less common than at its peak in the 1980s, it remains a well-established name with steady registrations.
Cessily by Decade
How has Cessily 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.
Cessily + Last Name Combinations
How many people share a full name with Cessily as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Cessily
Other first names starting with C with a similar number of bearers.
Cessily: Questions and Answers
How many people in the U.S. are named Cessily?
We estimate approximately 23 people named Cessily 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 14,902,363 Americans share this first name.
Is Cessily a common name?
Cessily is classified as "Very Rare" and is more popular than 42.3% of all first names in the SSA database. A total of 24 births have been registered with this name since 1880.
When was Cessily most popular?
Cessily reached peak popularity in 1990, when 8 babies were given this name. The average age of a living person named Cessily is approximately 32 years old, reflecting when the name was most commonly given.
Is Cessily a female name?
Cessily is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Cessily Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Cessily Smith, Cessily Johnson, Cessily 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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