Casidy vs Cassidy

Side-by-side comparison of Casidy and Cassidy — popularity rank, total births, peak decade, and historical trends from Social Security Administration data.

Name A

Casidy

Girl name

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Name B

Cassidy

Girl name · Rank #476

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Which name is more popular?

Metric Casidy Cassidy
Current Rank Unranked #476
Total Births (all years) 346 60,279
Peak Year 2001 1999
Peak Year Births 26 3,395
Peak Decade 2000ss 2000ss
Gender Girl Girl
First Recorded Year 1980 1969

Births by Decade

Decade Casidy Cassidy
1960ss — 5
1970ss — 523
1980ss 34 3,341
1990ss 116 20,659
2000ss 145 21,177
2010ss 51 11,232
2020ss — 3,342

Recent Annual Births (2014–present)

Year Casidy Cassidy
2014 5 1,311
2015 — 1,236
2016 7 1,123
2017 — 1,002
2018 — 869
2019 — 865
2020 — 765
2021 — 655
2022 — 659
2023 — 617
2024 — 646

Data Sources

Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications — National Data, ssa.gov/oact/babynames.
Source: SSA Annual Name Rankings, 1980–2016.

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