Cosmo
How to say it: KOZ-moh · /ˈkɑzmoʊ/
From Greek 'kosmos' meaning 'order, universe' via Italian Cosimo - stylish vintage name.
Cosmo was the 1,416th most popular boys’ name in the United States in 2025, given to 80 babies (Social Security Administration). The 2020s are its busiest decade so far, its births are up 2.2-fold in ten years, and it is projected to rise to #1,092 by 2030.
Updated · SSA 2025 data, published May 2026 · Insee 2025 data, published July 2026 · How we compute these figures
Key facts
| Rank among boys’ names, 2025 | #1,416 |
|---|---|
| Babies born in 2025 | 80 |
| Share of births | 1 in 34,534 |
| Peak decade | 2020s |
| Change over 10 years | ×2.2 |
| Projected rank for 2030 (estimate) | #1,092 |
| In France, 2025 | #1,110 among boys’ names, 15 births |
Sources: Social Security Administration (SSA), Insee (France). How we compute these figures.
Its life, decade by decade
Cosmo is climbing: the 2020s are already its best decade.
What goes with it
In the classroom
In a class of 25 children born in 2025, the chance that another child is called Cosmo is about under 1 in 200.
Around the world
This spelling is used in English, French, Greek, Italian.
In France: #1,110 for boys in 2025.
Famous people named Cosmo
- Cosmo Jarvis (born 1989)British actor and musician
- Cosmo Gordon Lang (1864–1945)British archbishop and clergyman
- Cosmo Duff-Gordon (1862–1931)Scottish landowner and fencer
From Wikidata and Wikipedia
Good to know
- Cosmo Kramer, played by Michael Richards, is one of the four central characters of the sitcom Seinfeld
Keep exploring
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