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Cosimo

♂ Boy

Pronounced KOH-zee-moh /ˈkoʊ.zi.moʊ/Medium

Meaning: Italian form of Cosmas — from Greek kosmos, 'order, beauty; the universe, the world'Medium

In 30 seconds: Order and beauty: Cosimo is the Italian Cosmas — 'order, beauty; the universe'. Melodic, regal, and warm (the Medici Cosimo).

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Origin MediumGreek, Italian

MeaningItalian form of Cosmas — from Greek kosmos, 'order, beauty; the universe, the world'

U.S. rank (2025)#5654 ↘ Falling

2025 U.S. births16 boys (0.00% of U.S. boys)

Peak year1927

Total births (all-time)≈ 1,016

Popularity in the U.S. · SSA data

U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.

SSA data updated May 2026. How we source & verify this data.

History & Origin

Cosimo is the Italian form of Cosmas — from Greek kosmos, 'order, beauty; the universe, the world' (St Cosmas, patron of physicians). A melodic, regal name across Italy, immortalized by Cosimo de' Medici, the great Renaissance statesman and patron.

In the U.S. it appears in Italian families. Rare, order-and-beauty at the root, and regal.

Did you know? Cosmas means 'order, beauty; the universe' (Greek kosmos) — Cosimo is its melodic Italian form, borne by Cosimo de' Medici, the great Renaissance patron of Florence.

Overall data confidence 78%

Behind the Name — Cosimo — etymology

Variations

CosmasCosmoCosme

Nicknames

Cosmo

Famous Bearers

Famous bearers coming soon.

If you like Cosimo…

Cosmo— a fellow form

Giacomo— echoes that soft -mo sound

Geronimo— shares Cosimo's Greek roots

Calixto— lands in the same popularity range

Cyprian— lands in the same popularity range

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Frequently Asked

What does the name Cosimo mean?

Cosimo is the Italian Cosmas — Greek 'order, beauty; the universe'.

How do you pronounce Cosimo?

It's said KOH-zee-moh /ˈkoʊ.zi.moʊ/ — three syllables, stress on the first.

Is Cosimo a boy or girl name?

Cosimo is a boy's name.

How popular is Cosimo?

Cosimo is a rare name in the U.S.