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Cassidy
GirlMeaning of Cassidy: Irish: 'clever'
Cassidy is a girl's name most strongly associated with Irish naming. It has 7 letters and 3 syllables, and it is one of today's most-chosen names — 486th most popular girls' name in the United States in 2025 and 776th in England & Wales.
US rank 2025
#486
609 babies in 2025
England & Wales 2024
#776
48 babies in 2024
US babies since 1880
64,583
First recorded 1968 · peak 1999
Trend
falling
Style: popular
Popularity over time
Gender split
6% boys · 94% girls, based on US, UK and international usage.
Origins & cultures
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