Cosmas vs Cosmo

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

Name A

Cosmas

Boy name · Rank #11817

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Name B

Cosmo

Boy name · Rank #1688

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Which name is more popular?

Metric Cosmas Cosmo
Current Rank #11817 #1688
Total Births (all years) 42 2,869
Peak Year 2022 2022
Peak Year Births 11 99
Peak Decade 2020ss 1920ss
Gender Boy Boy
First Recorded Year 2012 1910

Births by Decade

Decade Cosmas Cosmo
1910ss — 254
1920ss — 452
1930ss — 286
1940ss — 191
1950ss — 191
1960ss — 121
1970ss — 128
1980ss — 108
1990ss — 172
2000ss — 254
2010ss 15 282
2020ss 27 430

Recent Annual Births (2014–present)

Year Cosmas Cosmo
2014 5 14
2015 — 32
2016 5 21
2017 — 42
2018 — 41
2019 — 49
2020 — 60
2021 5 78
2022 11 99
2023 5 94
2024 6 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, 2012–2024.

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