Cosmo

Meaning: Order, decency, and beauty
Origin: From Greek (from Greek via Italian)

Boy's name · #1934 in the US (2025) · 2020s wave

Popularity over time

Cosmo reached its best rank, #933, in 1913 and ranked #1934 in 2025. Roughly 2,900 boys have been named Cosmo since 1910.

Across the states

See where Cosmo is more common.

Appears in 2020-2025 birth records of 7 states. See the full state-by-state map on this page.

Around the world

See how Cosmo ranks in other countries and regions.

#605 in Austria (2025) · #641 in England & Wales (2025) · #881 in Ireland (2025) · #1,005 in Switzerland (2025) · #1,092 in Belgium (2025) · #1,816 in France (2025) · #1,481 in Canada (2024).

Famous Cosmos

Cosmo Jarvis — American actor and musician
Cosmo Gordon Lang — British archbishop and clergyman (1864–1945)
Cosmo Duff-Gordon — Scottish landowner and fencer (1862–1931)
Cosmo Hamilton — English novelist and playwright (1870–1942)
Cosmo Gordon, 3rd Duke of Gordon — British peer (1720–1752)

In stories & tradition

Cosmo Kramer — Seinfeld (TV series)
Cosmo the Spacedog — Marvel Comics
Cosmo the Cougar — Mascot for Brigham Young University

What Cosmos become

Among 66 notable people named Cosmo:

Entertainers appear 1.66× more often than among typical names — e.g. Cosmo Jarvis, American actor and musician.

Similar names: Sylvan · Conley · Shlomo · Nile · Orson · Kasyn

Browse more boy names — popularity, trends and eras for 5,700+ American names, free.

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