Kyliann
How to say it: kee-LYAN · /kiˈljan/
Modern French respelling of Killian meaning 'little church' in Irish - popularized by footballer Kylian Mbappé.
Kyliann was the 265th most popular boys’ name in the United States in 2025, given to 0 babies (Social Security Administration). Its busiest decade was the 1870s, its births are up about 25% in ten years, and it is projected to rise to #244 by 2030.
Updated · SSA 2025 data, published May 2026 · Insee 2025 data, published July 2026 · How we compute these figures
Key facts
| Rank among boys’ names, 2025 | #265 |
|---|---|
| Babies born in 2025 | 0 |
| Share of births | 1 in 2,321 |
| Peak decade | 1870s |
| Change over 10 years | +25% |
| Projected rank for 2030 (estimate) | #244 |
| In France, 2025 | #258 among boys’ names, 5 births |
Sources: Social Security Administration (SSA), Insee (France). How we compute these figures.
Its life, decade by decade
Kyliann peaked in the 1870s and is less common today.
What goes with it
Nicknames
- Ky
- Kyli
Honouring a Kyliann in the family
In the classroom
In a class of 25 children born in 2025, the chance that another child is called Kyliann is about 1 in 97.
Around the world
This spelling is used in English, French, Irish.
In France: #258 for boys in 2025.
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