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Cassidy

“Curly-haired” — Irish Gaelic origin

Girl's name · #541 in the US (2025) · 90s

Cassidy's best rank, #99, came in 1999; it has stepped well back to #541 today. Roughly 61,000 girls have been named Cassidy since 1969. Cassie is a short form of Cassidy. Together with its spelling variant Kassidy (#1039), Cassidy would rank around #389 with about 800 births last year — the newborns split about 70/30 between Cassidy and Kassidy.

Around the world: about 1 in 1,300 girls in New Zealand (2025) · about 1 in 2,400 girls in N. Ireland (2025) · about 1 in 3,000 girls in Scotland (2025).

Appears in 2020-2025 birth records of 37 states. See the full state-by-state map on this page.

Famous Cassidys

In stories & tradition

What Cassidys become

Among 82 notable people named Cassidy:

Sports figures appear 2.56× more often than among typical names — e.g. Cassidy Davis, Association footballer.

Similar names: Kassidy · Briana · Kasey · Kennedi · Kyla · Cameron

Browse more girl names — popularity, trends and eras for 5,700+ American names, free.

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