Cosmas
Boy nameCosmas has been given to 49 babies in the U.S. since 2012. It peaked in 2022. In 2025, about 1 in 244,011 boys was named Cosmas.
Popularity over time births per year, 1880–2025
Total babies
49
Peak year
2022 (11 babies)
Rank in 2025
Below top 1000
First recorded
2012
10-year trend
New / returning
Gender split
All boys
Names with a similar vibe
Same primary gender, peaked around the same years, and roughly as common as Cosmas.
Sibling name ideas for Cosmas
Same era and popularity as Cosmas, avoiding matching initials or rhymes.
FAQ
How popular is the name Cosmas?
Cosmas has been given to 49 babies in the U.S. since 2012. It ranked below the top 1000 in 2025.
When did the name Cosmas peak?
Cosmas peaked in 2022, when 11 babies were given the name.
Is Cosmas a girl or boy name?
Cosmas is primarily a boy name (100% of babies named Cosmas are boys).
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