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How Many People Are Named Cassidy?
Estimated people named Cassidy living in the U.S. today
62,532
Gender distribution
6% male · 94% female in SSA records.
Name scorecard
- Total U.S. births recorded (1880–2024): 63,963
- Peak year: 1999 (3,449 births)
- Estimated living today: 62,532
Cassidy by age group — who carries the name today?
Cassidy popularity over time (1880–2024)
Estimated living bearers by birth decade
About the name Cassidy
Cassidy has been recorded by the Social Security Administration since the 19th century dataset began. In total, 63,963 babies were given the name in the United States between 1880 and 2024. After adjusting each birth cohort for survival to today, an estimated 62,532 bearers are still living — roughly 1 in 5,466 Americans. The name's strongest decade shapes how old most Cassidys you meet will be, which the age-group breakdown above shows directly. All figures are statistical estimates from public records; see our methodology for sources, the survival model, and the limits of the data (names given to fewer than five babies in a year are not published by the SSA).
Frequently asked questions
How many people are named Cassidy in the US?
An estimated 62,532 people named Cassidy are living in the United States today, based on SSA birth records from 1880 to 2024 adjusted for survival. That makes Cassidy rare — about 1 in 5,466 Americans.
Is Cassidy a boy or girl name?
In SSA records, Cassidy is 6% male and 94% female, so it is predominantly a female name.
When was Cassidy most popular?
Cassidy peaked in 1999, when 3,449 babies were given the name. Its current trend is declining compared with the previous decade.
How rare is the name Cassidy?
Cassidy ranks #766 of 104,819 first names recorded by the SSA, with a rarity score of 44 out of 100 (higher means rarer).