Casimir vs Olivia

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

Name A

Casimir

Boy name · Rank #2392

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Name B

Olivia

Girl name · Rank #1

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Which name is more popular?

Metric Casimir Olivia
Current Rank #2392 #1
Total Births (all years) 5,174 553,664
Peak Year 1919 2014
Peak Year Births 220 19,836
Peak Decade 1920ss 2010ss
Gender Boy Girl
First Recorded Year 1894 1880

Births by Decade

Decade Casimir Olivia
1880ss — 618
1890ss 31 1,099
1900ss 111 1,575
1910ss 1,277 3,545
1920ss 1,404 4,982
1930ss 546 3,922
1940ss 325 7,201
1950ss 252 6,100
1960ss 133 4,015
1970ss 99 7,849
1980ss 132 14,061
1990ss 137 75,913
2000ss 200 156,048
2010ss 284 184,528
2020ss 243 82,208

Recent Annual Births (2014–present)

Year Casimir Olivia
2014 31 19,836
2015 34 19,726
2016 29 19,409
2017 24 18,777
2018 31 18,055
2019 29 18,569
2020 29 17,682
2021 40 17,841
2022 58 16,654
2023 58 15,313
2024 58 14,718

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, 1894–2024.

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