UK boy's name
Kacper
A masculine name of Polish origin derived from the ancient Persian name Casper, meaning "treasure bearer".
For 2026, the newest official UK baby-name figures on this page are from 2024. That release is the current official benchmark rather than a forecast.
Kacper is a boy's name in the UK records. People looking for Kacper popularity in 2026 should use the latest official release, which is 2024 in this profile. In that release it ranked #773, with 44 babies registered with the name. Its strongest year in the published records was 2008, with 341 births.
This profile covers 4,366 England and Wales registrations across 24 recorded years from 2001 to 2024. The figures come from ONS England and Wales, NRS Scotland and NISRA Northern Ireland, so the page is a view of published baby-name registrations rather than a forecast or a live count of people using the name today.
The latest count is about 13% of the recorded peak, which gives a quick read on how the name has moved since its high point.
We estimate that about 4,925 living people in the UK are called Kacper. This uses published birth registrations from England and Wales, Scotland and Northern Ireland, then applies ONS national life tables to estimate how many are likely still alive. It does not forecast extra births for 2025 or 2026.
Key insights
- • Kacper ranked #773 for boys in England and Wales in 2024, with 44 registrations.
- • The name peaked in 2008, when 341 boys were registered as Kacper.
- • Kacper ranks best in Northern Ireland in the latest published regional snapshot for that area, where it placed #433 in 2021.
- • About 4,925 living people in the UK are estimated to have Kacper as a first name, after adjusting past birth registrations with ONS life tables.
Latest rank (E&W)
#773
2024
Births in 2024
44
Latest year
Peak year
2008
341 births
Estimated living
4,925
2026
Meaning
What does Kacper mean?
The name Kacper is derived from the Persian name Casper, which itself comes from the ancient Aramaic word "Gizbar" meaning "treasurer" or "guardian of the treasure". It is a variation of the Latin name Gaspar, one of the three wise men or Magi who visited the infant Jesus according to Christian tradition.
The name Kacper first appeared in the Middle Ages, particularly in Central and Eastern European regions. It was popular among Slavic populations, especially in Poland, where it became a common Polish variant of the name Casper. The earliest recorded use of the name Kacper dates back to the 13th century in medieval Poland.
One of the earliest known historical figures with the name Kacper was Kacper Karliński, a Polish nobleman and military leader who lived in the 15th century. He played a significant role in the Polish–Teutonic War against the Teutonic Knights.
In the 16th century, Kacper Miaskowski was a Polish poet and translator who contributed to the development of Polish Renaissance literature. Another notable figure from this period was Kacper Przyłuski, a Polish jurist and politician who served as the Grand Chancellor of Poland.
Kacper Niesiecki, born in 1682, was a Polish historian and heraldist best known for his extensive work "Herbarz Polski" (The Polish Armorial), a comprehensive compendium of Polish nobility and their coats of arms.
In the 19th century, Kacper Falkiewicz was a Polish painter and illustrator who gained recognition for his portraits and historical scenes. He was active during the Romantic period in Poland.
One of the most famous individuals named Kacper in recent history was Kacper Bajon, a Polish film director and screenwriter born in 1942. He is renowned for his critically acclaimed films exploring social and political issues in post-war Poland.
Sourced from namecensus.com.
Popularity
Kacper over time
The chart below shows babies named Kacper registered in England and Wales in the years where the name appears in the published records, from 2001 to 2024. Empty years are left out so rare names are not stretched across long periods where the published files do not show any registrations.
For Kacper, the clearest high point is 2008. The latest England and Wales figure is 44 births in 2024, compared with 341 at the peak.
Babies born per year
Decades
Kacper by decade
Decade totals smooth out the yearly jumps and make it easier to see whether Kacper was a short-lived spike or a name that stayed in regular use. Average rank is calculated only from years where a published rank exists.
| Decade | Average rank | Total births | Years covered |
|---|---|---|---|
| 2020s | #487 | 476 | 5 |
| 2010s | #208 | 2,783 | 10 |
| 2000s | #907 | 1,107 | 9 |
Geography
Where Kacper is most common
The bars show the latest published local birth counts for Kacper. They are useful for spotting where the name is showing up in real numbers, while the rank beside each bar shows how strongly it performs inside that region.
Kacper ranks best in Northern Ireland in the latest published regional snapshot for that area, where it placed #433 in 2021.
Across the UK
Kacper in Scotland and Northern Ireland
Scotland (NRS)
#619 in 2024
18 years of NRS records, 428 total registered
Northern Ireland (NISRA)
#433 in 2021
15 years of NISRA records, 161 total registered
Related
Names similar to Kacper
- Kieran 30,429
- Kyle 28,463
- Kai 24,432
- Kian 17,666
- Kayden 8,305
- Kevin 7,927
- Kane 7,149
- Kaiden 5,762
- Kieron 4,547
- Kye 4,012
- Kit 3,529
- Kristian 2,788
FAQ
Kacper: questions and answers
How popular is the name Kacper in the UK right now?
In 2024, Kacper was ranked #773 for boys in England and Wales, with 44 births registered.
When was Kacper most popular?
The peak year on record was 2008, with 341 babies registered as Kacper in England and Wales.
What is the meaning and origin of Kacper?
A masculine name of Polish origin derived from the ancient Persian name Casper, meaning "treasure bearer".
How many people are called Kacper in the UK?
A total of 4,366 babies have been registered as Kacper across the 24 years of ONS England & Wales records shown here, plus 428 more in Scotland and 161 in Northern Ireland.
Where is Kacper most common?
In the latest published local rankings, Kacper ranks best in Northern Ireland, where it placed #433 in 2021. The regional bars on this page use birth counts, so they also reflect the size of each region.
Which records is this page based on?
The England and Wales timeline uses ONS baby-name records. Scotland figures come from NRS and Northern Ireland figures come from NISRA. Counts are registrations in published baby-name files. The living estimate uses those birth registrations with ONS national life tables.