NameCensus.

UK boy's name

Kajetan

A masculine name of Polish origin meaning "rejoice".

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.

Kajetan is a boy's name in the UK records. People looking for Kajetan popularity in 2026 should use the latest official release, which is 2024 in this profile. In that release it ranked #2921, with 7 babies registered with the name. Its strongest year in the published records was 2015, with 29 births.

This profile covers 280 England and Wales registrations across 19 recorded years from 2006 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 24% of the recorded peak, which gives a quick read on how the name has moved since its high point.

We estimate that about 293 living people in the UK are called Kajetan. 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

  • Kajetan ranked #2921 for boys in England and Wales in 2024, with 7 registrations.
  • The name peaked in 2015, when 29 boys were registered as Kajetan.
  • Kajetan ranks best in Northern Ireland in the latest published regional snapshot for that area, where it placed #421 in 2016.
  • About 293 living people in the UK are estimated to have Kajetan as a first name, after adjusting past birth registrations with ONS life tables.

Latest rank (E&W)

#2921

2024

Births in 2024

7

Latest year

Peak year

2015

29 births

Estimated living

293

2026

Meaning

What does Kajetan mean?

The name Kajetan has its origins in the Latin language and is derived from the name Caietanus, which means "from Gaeta." Gaeta is a coastal town located in the Lazio region of central Italy. The name's roots can be traced back to the ancient Roman era.

In the early Christian era, the name gained prominence due to its association with Saint Cajetan, who was born in 1480 in Vicenza, Italy. He was the founder of the Clerks Regular, also known as the Theatines, a Roman Catholic religious order. Saint Cajetan dedicated his life to serving the poor and promoting religious reform. He is celebrated on August 7th in the Catholic Church.

One of the earliest recorded uses of the name Kajetan can be found in the writings of the ancient Roman historian Tacitus, who mentioned a person named Caietanus in his works. However, it is worth noting that the spelling and pronunciation of the name may have evolved over time.

Throughout history, several notable individuals have borne the name Kajetan. Here are five examples:

1. Kajetan Sołtyk (1715-1788), a Polish nobleman and Catholic bishop who served as the Bishop of Kyiv and the Archbishop of Gniezno.

2. Kajetan Koźmian (1771-1856), a Polish poet, translator, and literary critic who played a significant role in the Polish Enlightenment movement.

3. Kajetan von Feuchtersleben (1805-1849), an Austrian philosopher and author best known for his work on psychology and psychiatry.

4. Kajetan Abgarowicz (1856-1909), a Polish painter and professor at the Kraków Academy of Fine Arts, known for his portraits and historical paintings.

5. Kajetan Müller (1834-1888), a German composer and organist who served as the Kapellmeister at the Bavarian court in Munich.

These individuals from various fields and time periods demonstrate the widespread use of the name Kajetan across different cultures and regions, particularly in Europe.

Sourced from namecensus.com.

Popularity

Kajetan over time

The chart below shows babies named Kajetan registered in England and Wales in the years where the name appears in the published records, from 2006 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 Kajetan, the clearest high point is 2015. The latest England and Wales figure is 7 births in 2024, compared with 29 at the peak.

Babies born per year

Kajetan
07152229200620152024

Decades

Kajetan by decade

Decade totals smooth out the yearly jumps and make it easier to see whether Kajetan 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 #2724 44 5
2010s #1362 191 10
2000s #2537 45 4

Geography

Where Kajetan is most common

The bars show the latest published local birth counts for Kajetan. 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.

Kajetan ranks best in Northern Ireland in the latest published regional snapshot for that area, where it placed #421 in 2016.

Northern Ireland
3
Scotland
3

Across the UK

Kajetan in Scotland and Northern Ireland

Scotland (NRS)

#711 in 2020

4 years of NRS records, 12 total registered

Northern Ireland (NISRA)

#421 in 2016

1 years of NISRA records, 3 total registered

Notable bearers

Famous people named Kajetan

  • Kajetan Boratyński

    zoologist

    Polish zoologist, entomologist

    1907-1980

Related

Names similar to Kajetan

FAQ

Kajetan: questions and answers

How popular is the name Kajetan in the UK right now?

In 2024, Kajetan was ranked #2921 for boys in England and Wales, with 7 births registered.

When was Kajetan most popular?

The peak year on record was 2015, with 29 babies registered as Kajetan in England and Wales.

What is the meaning and origin of Kajetan?

A masculine name of Polish origin meaning "rejoice".

How many people are called Kajetan in the UK?

A total of 280 babies have been registered as Kajetan across the 19 years of ONS England & Wales records shown here, plus 12 more in Scotland and 3 in Northern Ireland.

Where is Kajetan most common?

In the latest published local rankings, Kajetan ranks best in Northern Ireland, where it placed #421 in 2016. 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.