Kasia
How to say it: KAH-shuh · /ˈkɑːʃə/
Polish diminutive of Katarzyna, 'pure' - beloved standalone girls' name in Poland.
Kasia was the 1,349th most popular girls’ name in the United States in 2025, given to 23 babies (Social Security Administration). Its busiest decade was the 2000s, its births are up about 31% in ten years, and it is projected to rise to #1,213 by 2030.
Updated · SSA 2025 data, published May 2026 · Insee 2025 data, published July 2026 · How we compute these figures
Key facts
| Rank among girls’ names, 2025 | #1,349 |
|---|---|
| Babies born in 2025 | 23 |
| Share of births | 1 in 28,336 |
| Peak decade | 2000s |
| Change over 10 years | +31% |
| Projected rank for 2030 (estimate) | #1,213 |
| In France, 2025 | #2,541 among girls’ names, 0 births |
Sources: Social Security Administration (SSA), Insee (France). How we compute these figures.
Its life, decade by decade
Kasia peaked in the 2000s and is less common today.
What goes with it
Nicknames
- Kasha
- Kasi
Honouring a Kasia in the family
In the classroom
In a class of 25 children born in 2025, the chance that another child is called Kasia is about under 1 in 200.
Around the world
This spelling is used in English, Greek, Polish.
In France: #2,541 for girls in 2025.
Famous people named Kasia
- Kasia Moś (born 1987)Polish singer, songwriter, and dancer
- Kasia Struss (born 1987)Polish model
- Kasia Gruchalla-Wesierski (born 1991)Canadian rower
From Wikidata and Wikipedia
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