How Many People Are Named Cassey?
An estimated 1,761 people in the United States have the first name Cassey. It is predominantly female (91.6%). The average bearer is 36 years old, and Cassey peaked in popularity in 1986 with 98 births that year.
Below you will find a full statistical profile of Cassey 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 Cassey paired with any surname.
Estimated Living Americans
1,761
About 1 in 194,636 people in the U.S.
Rarity
Rare
Predicted Gender
Female
91.6% confidence
Average Age
36
years old
Peak Year
1986
98 births
Total Registered
1,846
since 1880
Gender Distribution for Cassey
Cassey is predominantly female (91.6%), though 155 male births have been registered. It functions as a unisex name for a small percentage of bearers.
Cassey as a male name
Ranked #9,481 in 1997
5 male births in 1997
Peak: 1987 (13 births)
Cassey as a female name
Ranked #12,458 in 2021
7 female births in 2021
Peak: 1986 (98 births)
Cassey: Popularity Over Time
SSA records for Cassey span from the 1960s to the 2020s, covering 7 decades of naming data. The most popular decade for this name was the 1980s, when 799 babies were registered. Cassey has declined significantly from its peak in the 1980s. Recent registrations are a fraction of what they were at the name's height.
Cassey by Decade
How has Cassey 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.
Cassey by State
Birth registrations for Cassey span all 14 states and territories in the SSA database. The highest counts are in Texas, California, Florida. The lowest are in Arkansas, Alabama, Louisiana. On average, about 27 Casseys were registered per state.
Cassey + Last Name Combinations
How many people share a full name with Cassey as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Cassey
Other first names starting with C with a similar number of bearers.
Cassey: Questions and Answers
How many people in the U.S. are named Cassey?
We estimate approximately 1,761 people named Cassey 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 194,636 Americans share this first name.
Is Cassey a common name?
Cassey is classified as "Rare" and is more popular than 93.2% of all first names in the SSA database. A total of 1,846 births have been registered with this name since 1880.
When was Cassey most popular?
Cassey reached peak popularity in 1986, when 98 babies were given this name. The average age of a living person named Cassey is approximately 36 years old, reflecting when the name was most commonly given.
Is Cassey a female name?
Cassey is predominantly female. 91.6% of people with this name are female. See the gender breakdown above for full details.
How many Cassey Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Cassey Smith, Cassey Johnson, Cassey 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.
Search for a full name combination
How Many of Me