Casimira vs Cassidy

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

Name A

Casimira

Girl name

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Name B

Cassidy

Girl name · Rank #476

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Which name is more popular?

Metric Casimira Cassidy
Current Rank Unranked #476
Total Births (all years) 487 60,279
Peak Year 1916 1999
Peak Year Births 35 3,395
Peak Decade 1910ss 2000ss
Gender Girl Girl
First Recorded Year 1896 1969

Births by Decade

Decade Casimira Cassidy
1890ss 13 —
1900ss 20 —
1910ss 199 —
1920ss 188 —
1930ss 23 —
1940ss 12 —
1960ss — 5
1970ss — 523
1980ss 6 3,341
1990ss 10 20,659
2000ss 16 21,177
2010ss — 11,232
2020ss — 3,342

Recent Annual Births (2014–present)

Year Casimira Cassidy
2014 — 1,311
2015 — 1,236
2016 — 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, 1896–2009.

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