Kasia
Kasia was the 5481st most popular name for girls in 2025, given to 23 babies. Its best year was 2002, when it ranked 2296th with 71 babies. Over the last ten years it has moved down 435 places. More babies were named Kasia in the 2000s than in any other decade.
Meaning Not yet researched how we research meanings
- Rank in 2025
- #5,481 girls, down 242 places since 2020
- Babies in 2025
- 23girls
- Girls and boys
- Almost always a girl’s name2021–2025
- Peak year
- 200271 babies
- Total since 1880
- 1,725babies recorded
Kasia popularity since 1880
| Year | Rank (girls) | Babies (girls) |
|---|---|---|
| 2025 | #5,481 | 23 |
| 2020 | #5,239 | 24 |
| 2010 | #3,341 | 49 |
| 2000 | #2,760 | 53 |
| 1990 | #4,435 | 22 |
| 1980 | #3,909 | 20 |
| 1970 | #5,583 | 9 |
| 1960 | — | — |
| 1950 | — | — |
| 1940 | — | — |
| 1930 | — | — |
| 1920 | — | — |
| 1910 | — | — |
| 1900 | — | — |
| 1890 | — | — |
| 1880 | — | — |
How popular is Kasia, counting every spelling?
Kasia is a spelling of Cassia, a name family that ranked #1,053 for girls in 2025 once every spelling is counted together, compared with #5,481 for Kasia on its own. Together these spellings went to 217 girls in 2025.
| Spelling | Babies 2025 | Official rank | Babies 2021–2025 |
|---|---|---|---|
| Cassia | 94 | #2,022 | 385 |
| Kaziah | 60 | #2,838 | 174 |
| Kasia | 23 | #5,481 | 103 |
| Kassia | 35 | #4,120 | 99 |
Spellings count together when they sound the same in American English and are used for the same sex; nicknames and forms that sound different (such as Theo and Theodore) are kept apart. How we group spellings.
How many kids will share the name Kasia?
23 of the 3,606,400 babies born in the US in 2025 were named Kasia (0.01 per 1,000 births). For a girl named Kasia born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 363 (of 430 pupils) would have a child named Kasia.
Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.
How old are people named Kasia?
About 1,700 people born in the US named Kasia are alive today, with a median age of 25; half are between 17 and 34. That makes Kasia mostly worn by children and young adults.
Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.
Kasia by state
How common Kasia was among girls born in each state in 2021–2025. In 50 states fewer than five girls a year got the name, too few for SSA to publish, so those states show as zero.
Names with a similar history
These names rose and fell in step with Kasia: their share of US girls followed the most similar curve since 1880. If you like Kasia, they share its era and feel.
Questions about the name Kasia
How popular is the name Kasia?
Kasia was the 5481st most popular name for girls in 2025, given to 23 babies. Its best year was 2002, when it ranked 2296th with 71 babies. Over the last ten years it has moved down 435 places. More babies were named Kasia in the 2000s than in any other decade.
Is Kasia a boy or girl name?
In 2021–2025, almost always a girl’s name given the name Kasia in the US.
Where is Kasia most popular?
In 2021–2025, Kasia was most common in Illinois (0.02 per 1,000 girls).