Cosmo

Did you know?

A few things about Cosmo you might not know, from US birth records and Wikipedia. Handy for convincing a partner, or a grandparent.

⭐ Famous Cosmo

Cosmo Jarvis

British actor and musician

Choose Cosmo and your child shares a first name with Cosmo Jarvis, a British actor and musician. A ready-made answer when someone asks “Cosmo, like who?” Cosmo Jarvis's Wikipedia article is available in 21 languages, a good sign of just how widely known they are.

Read about Cosmo Jarvis on Wikipedia ↗ (opens in a new tab)

Photo: Ab riuans887, CC0 (opens in a new tab), via Wikimedia Commons

• 👶How commonAbout 1 in every 21,368 baby boys born in the US in 2025 was named Cosmo, 80 babies in all. In a typical school of 500 kids, your Cosmo would very likely be the only one.
• 📜HistoryCosmo first shows up in US birth records in 1910, the first year at least 5 babies got it. It has been in use for 115 years since.
• 🏆Best yearIts best year was 1913, when it reached #930.
• 📈Then vs nowCosmo is 4.2× more common today than it was in 2000. In 2000 it was given to about 1 in 89,286 baby boys; in 2025, about 1 in 21,368.
• 🚀TrendCosmo has climbed 332 places in the US rankings over the last five years and now sits at #1,932. Fast risers like this often keep climbing, so expect to hear it more.
• 💬MeaningIn Greek, Cosmo means “order, universe”. Our records link it to English and Greek roots.

About the name Cosmo

Cosmo is a boy name of English and Greek origin meaning “order, universe”. It has 5 letters and 2 syllables, starting with C and ending in “-smo”. US birth records list Cosmo for boys from 1910 to 2025, in 116 of those 116 years. Its best year was 1913, when it ranked #930 among boy names. In 2025 it ranked #1,932, with 80 babies.

Origin:English namesGreek names