How Many People Are Named Kassidy?
An estimated 21,110 people in the United States have the first name Kassidy. It is predominantly female (98.0%). The average bearer is 20 years old, and Kassidy peaked in popularity in 2000 with 1,012 births that year.
Below you will find a full statistical profile of Kassidy 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 Kassidy paired with any surname.
Key Insights
- While Kassidy is overwhelmingly female, 426 male births have been registered with this name since 1880.
Estimated Living Americans
21,110
About 1 in 16,237 people in the U.S.
Rarity
Uncommon
Predicted Gender
Female
98.0% confidence
Average Age
20
years old
Peak Year
2000
1,012 births
Total Registered
21,463
since 1880
Gender Distribution for Kassidy
Kassidy is predominantly female (98.0%), though 426 male births have been registered. It functions as a unisex name for a small percentage of bearers.
Kassidy as a male name
Ranked #11,625 in 2024
6 male births in 2024
Peak: 2017 (20 births)
Kassidy as a female name
Ranked #978 in 2024
265 female births in 2024
Peak: 2000 (1,007 births)
Kassidy: Popularity Over Time
SSA records for Kassidy span from the 1970s to the 2020s, covering 6 decades of naming data. The most popular decade for this name was the 2000s, when 7,883 babies were registered. Kassidy has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Kassidy by Decade
How has Kassidy 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.
Kassidy by State
Birth registrations for Kassidy span all 49 states and territories in the SSA database. The highest counts are in Texas, California, Florida. The lowest are in Vermont, Wyoming, Rhode Island. On average, about 395 Kassidys were registered per state.
Kassidy + Last Name Combinations
How many people share a full name with Kassidy as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Kassidy
Other first names starting with K with a similar number of bearers.
Kassidy: Questions and Answers
How many people in the U.S. are named Kassidy?
We estimate approximately 21,110 people named Kassidy 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 16,237 Americans share this first name.
Is Kassidy a common name?
Kassidy is classified as "Uncommon" and is more popular than 98.5% of all first names in the SSA database. A total of 21,463 births have been registered with this name since 1880.
When was Kassidy most popular?
Kassidy reached peak popularity in 2000, when 1,012 babies were given this name. The average age of a living person named Kassidy is approximately 20 years old, reflecting when the name was most commonly given.
Is Kassidy a female name?
Kassidy is predominantly female. 98.0% of people with this name are female. See the gender breakdown above for full details.
How many Kassidy Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Kassidy Smith, Kassidy Johnson, Kassidy 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