Kosmo vs Kostas

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

Name A

Kosmo

Boy name · Rank #8908

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Name B

Kostas

Boy name

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Which name is more popular?

Metric Kosmo Kostas
Current Rank #8908 Unranked
Total Births (all years) 17 365
Peak Year 2024 1974
Peak Year Births 9 17
Peak Decade 2020ss 1970ss
Gender Boy Boy
First Recorded Year 2022 1961

Births by Decade

Decade Kosmo Kostas
1960ss — 31
1970ss — 107
1980ss — 90
1990ss — 22
2000ss — 45
2010ss — 45
2020ss 17 25

Recent Annual Births (2014–present)

Year Kosmo Kostas
2014 — 5
2015 — 5
2016 — 5
2019 — 5
2020 — 8
2022 8 7
2023 — 10
2024 9 —

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, 2022–2024.

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