6,389births recorded
5Countries
2Variants
2023Peak · Belgium
#653Belgium 2025
Cosette is a girl name family recorded 6,389 times in 5 countries since 1905. It ranks highest today in Belgium (#653 in 2025). Its all-time peak was in Belgium in 2023, at 19.5 births per 100,000.
Popularity by country
Births per 100,000 newborns, all forms of the name combined.
Which form wins where
Births per 100,000 newborns for each form, in the selected country.
All forms of Cosette
| Variants | Language | Total births | Country | Latest rank | Peak year | 10-year trend |
|---|---|---|---|---|---|---|
| Cosette | French | 3,080 | 🇺🇸 United States | #1777 | 2015 | ▼ 10 % |
| Cosette | French | 1,560 | 🇫🇷 France | – | 1936 | – |
| Cosette | French | 144 | 🇧🇪 Belgium | #653 | 2023 | ▲ 88 % |
| Cosette | French | 21 | 🏴 England & Wales | – | 2019 | – |
| Cosette | French | 6 | 🇨🇦 Ontario | – | 2014 | – |
| Cozette | English | 1,563 | 🇺🇸 United States | #3975 | 2025 | ▲ 43 % |
| Cozette | English | 15 | 🇫🇷 France | – | 1953 | – |
How we grouped these names
- Cosette ↔ Cozette — spelling variant
Questions about Cosette
How popular is the name Cosette?
In 2025 it ranked #653 in Belgium. Official registers record 6,389 births across 5 countries.
What is Cosette in other languages?
Cozette (English).
When was Cosette most popular?
It peaked in Belgium in 2023, at 19.5 births per 100,000.
Is Cosette a boy or a girl name?
In official birth registers, Cosette is a girl name.