boy's name
Cosmas
- Gender Boy
- Letters 6
- Popularity Rare
- Births on record 52
Ireland
#273
1965 births
Cosmas is a boy's name. In 2025 it was given to 7 babies in the United States. It is a rare choice.
- Peaked in 2022, when 11 babies were given the name.
- It has been rising over the past decade.
- Today about 1 in 473,709 babies in the United States is given this name.
- First appears in US birth records in 2012.
Cosmas over time
Births per decade in the United States, 2010s to 2020s. The striped bar is the 2020s, still in progress — it covers 2020 to 2025, not a full ten years.
Show the numbers
| Decade | Births |
|---|---|
| 2010s | 15 |
| 2020s (to 2025) | 34 |
How popular is Cosmas?
In 2025, Cosmas was given to 7 babies in the United States. It is a rare choice.
Where Cosmas is used
US figures omit any name given to fewer than five babies in a year, so the rarest names are absent from the source rather than absent from use. Data & sources.
Names that peaked alongside Cosmas
These names rose and fell in the same era, which is why they tend to sound like they belong together.
Parents who like Cosmas also like
Names whose popularity has risen and fallen in step with Cosmas over the last century — the same taste, a different name.
Sibling names for Cosmas
Names from the same era that won't rhyme or share an initial with Cosmas — the two things that make a sibling set grate.
Common questions about Cosmas
How popular is the name Cosmas?
In 2025, Cosmas was given to 7 babies in the United States. It is a rare choice.
Is Cosmas a girl's or a boy's name?
Cosmas is given almost entirely to boys in birth records.
When was Cosmas most popular?
Cosmas peaked in 2022, when 11 babies were given the name. It has been rising over the past decade.
Is Cosmas a good name?
That is not something records can settle, but they can tell you what you would be choosing. Cosmas currently ranks #10,343 in the United States. It has been rising over the past decade. Everything else — how it sounds with your surname, who it reminds you of — is yours.