Kacper Boy
How popular is Kacper?
#7,190 boy name in 2025
11 baby boys were named Kacper in the US in 2025, making it the 7190th most popular boy name.
1,089living people named Kacper (est.)
18median age of people named Kacper
1,102babies named Kacper since 1880
1 in 301,395US babies born in 2025
Kacper popularity over time
| Rank in 2025 | #7,190 for boys (▼ 1751 from 2024) |
|---|---|
| Babies in 2025 | 11 boys |
| 10-year trend | Falling fast (-63% babies vs 2015) |
| Earlier ranks | #3,590 in 2015, #7,029 in 2020 |
| Peak year | 2007 (88 boys) |
| Highest rank | #1,638 in 2006 |
| First recorded | 1994 |
| Boys vs girls (last 10 years) | 100% boys, 0% girls |
| Chance a classmate shares it | 0.0% in a class of 25 kids born in 2025 |
Where Kacper is most popular
Babies named Kacper per 1,000 boys born in each state, 2021 to 2025. Darker means more common.
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- Illinois: 0.1 per 1,000 (14 boys)
Kacper by decade
Boy names about as popular as Kacper
Questions
- Is Kacper a boy or girl name?
- Kacper is mostly a boy name. Over the last 10 years, 100% of babies named Kacper were boys.
- How popular is the name Kacper?
- 11 baby boys were named Kacper in the US in 2025, making it the 7190th most popular boy name.
- When was Kacper most popular?
- Kacper peaked in 2007, when 88 boys were given the name. Its highest rank was #1,638 in 2006.
- How many people are named Kacper?
- 1,102 babies have been named Kacper in the US since 1880. We estimate about 1,089 of them are alive in 2026, with a median age of 18.
- Where is Kacper most popular?
- From 2021 to 2025, Kacper was most common in Illinois, at 0.1 of every 1,000 boys born there.
Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.