Cosmo vs Cosimo

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

Name A

Cosmo

Boy name · Rank #1688

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Name B

Cosimo

Boy name · Rank #5064

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Which name is more popular?

Metric Cosmo Cosimo
Current Rank #1688 #5064
Total Births (all years) 2,869 1,000
Peak Year 2022 1927
Peak Year Births 99 30
Peak Decade 1920ss 1920ss
Gender Boy Boy
First Recorded Year 1910 1911

Births by Decade

Decade Cosmo Cosimo
1910ss 254 123
1920ss 452 218
1930ss 286 91
1940ss 191 92
1950ss 191 70
1960ss 121 62
1970ss 128 40
1980ss 108 50
1990ss 172 37
2000ss 254 68
2010ss 282 80
2020ss 430 69

Recent Annual Births (2014–present)

Year Cosmo Cosimo
2014 14 5
2015 32 9
2016 21 6
2017 42 15
2018 41 14
2019 49 14
2020 60 10
2021 78 10
2022 99 12
2023 94 18
2024 99 19

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, 1910–2024.

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