How Many People Are Named Cassidy Cooper?
There are approximately 57 people named Cassidy Cooper living in the United States today. That makes this name combination rare, occurring at a rate of about 1 in 6,013,234 Americans.
This estimate combines SSA birth records for the first name Cassidy with Census Bureau frequency data for the surname Cooper. Below you will find a breakdown of both names, including popularity trends, gender data, and Census background data where it is available.
Estimated People with This Name
57
1 in 6,013,234 Americans
Combination Rarity
Rare
First Name
View full profileCassidy
Last Name
View full profileCooper
Cassidy: Popularity Over Time
Year-by-year SSA birth registrations for the first name Cassidy. The peak year was 1999 with 3,449 births. The average person named Cassidy today is 24 years old.
Ancestry of the First Name Cassidy
In the 2020 Census, the first name Cassidy was most commonly recorded among people who identified as White (79.09%). The next largest recorded groups were Hispanic (6.54%) and Black (6.17%).
These percentages describe the people who had the first name Cassidy in the 2020 Census. They do not tell you the deeper origin or meaning of the name itself.
Read this as a snapshot of who already had the name in 2020, not as a trend line. The SSA chart above is still the better way to see how Cassidy rose or fell over time.
Ancestry of the Cooper Surname
The surname Cooper was most commonly recorded among people who identified as White in the 2020 Census.
This is a self-reported race and ethnicity breakdown for people who had the surname Cooper in the published Census surname tables. It gives useful context around who was recorded with the name, but it does not tell the full family history of every Boone line.
How we calculated this
The first name "Cassidy" has an estimated frequency of 0.0183% among living Americans, based on SSA birth records from 1880 to 2024 adjusted for mortality using CDC 2023 life tables.
The surname "Cooper" appears at a rate of 90.82 per 100,000 people in the 2020 U.S. Census.
We do not use the Census first-name snapshot for the main estimate because it is only published once every 10 years. The latest public first-name Census file is from 2020, which is already 6 years old. SSA birth records plus CDC survival data give a better current estimate of how many people with the first name Cassidy are likely to be alive now.
Multiplying these frequencies against the U.S. population of ~343 million gives 57 estimated people. This assumes first names and last names are statistically independent. Full methodology.
Other people named Cassidy
Other people with the surname Cooper
Cassidy Cooper: Questions and Answers
How many people are named Cassidy Cooper?
We estimate approximately 57 people named Cassidy Cooper are alive in the United States today. The first name Cassidy is shared by 62,566 Americans, and the surname Cooper is shared by 311,282.
How rare is the name Cassidy Cooper?
This name combination is classified as Rare, occurring at a rate of about 1 in 6,013,234 Americans. The first name Cassidy is uncommon and the surname Cooper is common.
Is Cassidy a male or female name?
Cassidy is predominantly female, with 5.8% of bearers being male and 94.2% female. It peaked in popularity in 1999 and the average bearer today is 24 years old.
What does the Census say about the first name Cassidy?
In the 2020 Census, the first name Cassidy was most commonly recorded among people who identified as White (79.09%). The next largest recorded groups were Hispanic (6.54%) and Black (6.17%). These percentages describe the people who had the name in the 2020 Census, not the deeper origin of the name itself.
Where does this data come from?
First name data comes from the Social Security Administration (1880 to 2024), adjusted for survival using CDC 2023 life tables. When available, first-name Census background data comes from the 2020 U.S. Census Bureau first-name tables. Surname data comes from the 2020 U.S. Census Bureau. Full methodology.
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