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Cosette

♀ Girl

Pronounced KAW-zeht /kɔ.zɛt/Medium

Meaning: Little thingMedium

In 30 seconds: Cosette is a French girl's name meaning 'little thing'. It carries a tender, diminutive warmth.

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Origin MediumFrench, Literature

MeaningLittle thing

U.S. rank (2025)#1780 ↗ Rising

2025 U.S. births113 girls (0.01% of U.S. girls)

Peak year2015

Total births (all-time)≈ 3,077

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

Cosette comes from French, where it reads as 'little thing', a name shaped like an affectionate pet form. The '-ette' ending is the French diminutive that gives it its small, endearing quality. It is firmly literary in flavor.

The soft two-syllable sound feels delicate and storybook, well suited to its meaning as a name of fondness.

Did you know? The meaning usually attached to Cosette is 'little thing', and that core idea is what gives the name most of its long-term appeal.

Overall data confidence 78%

Behind the Name - Cosette — etymology, usage, pronunciation, and related formsU.S. Social Security Administration — 2024 popularity rank and count supplied in the batch input CSV

Variations

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Nicknames

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Famous Bearers

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If you like Cosette…

Colette— Another French '-ette' diminutive with the same dainty sound as Cosette.

Josette— A French diminutive matching Cosette's '-ette' ending and rhythm.

Celeste— shares the -te ending

Collette— shares the -te ending

Annette— lands in the same popularity range

Explore names like Cosette

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Frequently Asked

What does the name Cosette mean?

Cosette is usually explained as meaning 'little thing' and is most often linked with French tradition.

How do you pronounce Cosette?

It's commonly said KAW-zeht /kɔ.zɛt/.

Is Cosette a boy or girl name?

In this batch and in recent U.S. usage data, Cosette is used as a girl name.

How popular is Cosette?

In 2024, Cosette ranked #1909 in the U.S. for girls, with 104 births recorded.