Casimiro vs Olivia

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

Name A

Casimiro

Boy name

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Name B

Olivia

Girl name · Rank #1

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Which name is more popular?

Metric Casimiro Olivia
Current Rank Unranked #1
Total Births (all years) 1,078 553,664
Peak Year 1921 2014
Peak Year Births 28 19,836
Peak Decade 1920ss 2010ss
Gender Boy Girl
First Recorded Year 1881 1880

Births by Decade

Decade Casimiro Olivia
1880ss 6 618
1890ss — 1,099
1900ss — 1,575
1910ss 78 3,545
1920ss 170 4,982
1930ss 113 3,922
1940ss 96 7,201
1950ss 115 6,100
1960ss 98 4,015
1970ss 104 7,849
1980ss 103 14,061
1990ss 73 75,913
2000ss 74 156,048
2010ss 27 184,528
2020ss 21 82,208

Recent Annual Births (2014–present)

Year Casimiro Olivia
2014 — 19,836
2015 — 19,726
2016 8 19,409
2017 6 18,777
2018 5 18,055
2019 8 18,569
2020 — 17,682
2021 9 17,841
2022 7 16,654
2023 5 15,313
2024 — 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, 1881–2023.

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