Declining since 2007, #7,194 for boys today.
Popularity of Kacper since 1994
Babies named Kacper per year in U.S. Social Security records.
Data table (by decade)
| Decade | Boys |
|---|---|
| 1990s | 63 |
| 2000s | 563 |
| 2010s | 400 |
| 2020s | 76 |
Meaning & origin
Kacper is the Polish form of a name that has traveled through Persian, Greek, and Latin to become a staple in Poland and among Polish diaspora communities worldwide. First recorded in the U.S. in 1994, it saw a steady rise in popularity, peaking in 2007 at a rank of 1211. Since 2007, its usage has been declining, and by 2025 it had fallen to rank 7194, with an estimated 1 in 155,280 newborn boys receiving the name. While the name has not cracked the top 1000 in recent years, it remains a coherent cultural choice for families honoring Polish heritage. The trajectory reflects broader naming trends where classic, internationally understood names compete with more modern inventions.
Kacper is the Polish spelling of Casper, which itself comes from the Latin 'Casper' or 'Gaspar'. The name is traditionally associated with one of the biblical Magi, often called Gaspar in English tradition. The ultimate root is the Persian 'ganzabara', meaning 'treasurer'. In Poland, Kacper has been a widely used name since the 1990s and is the standard Polish form, distinct from the German Kasper.
“Kacper” around the world
Where Kacper lands in the latest official birth statistics abroad, matched to the U.S. spelling.
France
5
babies in 2024
Ireland
3
babies in 2025
Sources: INSEE (France) · CSO Ireland (Ireland).
Nicknames & variants
Nicknames: Kacpi, Kacperek, Kacpuś
Sibling names for Kacper
Names that share Kacper's style, for a brother or sister.
