Cosimo vs Cosmo

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

Name A

Cosimo

Boy name · Rank #5064

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Name B

Cosmo

Boy name · Rank #1688

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Which name is more popular?

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

Births by Decade

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

Recent Annual Births (2014–present)

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

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, 1911–2024.

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