NameCensus.

UK boy's name

Kilian

A masculine name of Irish origin meaning "bright-headed" or "bright warrior".

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.

Kilian is a boy's name in the UK records. People looking for Kilian popularity in 2026 should use the latest official release, which is 2024 in this profile. In that release it ranked #1402, with 19 babies registered with the name. Its strongest year in the published records was 2021, with 22 births.

This profile covers 243 England and Wales registrations across 24 recorded years from 1996 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 86% of the recorded peak, which gives a quick read on how the name has moved since its high point.

We estimate that about 263 living people in the UK are called Kilian. 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

  • Kilian ranked #1402 for boys in England and Wales in 2024, with 19 registrations.
  • The name peaked in 2021, when 22 boys were registered as Kilian.
  • Kilian ranks best in Northern Ireland in the latest published regional snapshot for that area, where it placed #416 in 2018.
  • About 263 living people in the UK are estimated to have Kilian as a first name, after adjusting past birth registrations with ONS life tables.

Latest rank (E&W)

#1402

2024

Births in 2024

19

Latest year

Peak year

2021

22 births

Estimated living

263

2026

Meaning

What does Kilian mean?

The name Kilian is derived from the Irish Gaelic name Cillian, which originated from the Latin word "cella" meaning "cell" or "chapel". It is believed to have first emerged as a personal name in the early medieval period, around the 5th or 6th century CE, when Christianity was spreading across Ireland and monastic communities were being established.

One of the earliest recorded bearers of the name was Saint Kilian, an Irish missionary who lived in the 7th century. He is known for his efforts in spreading Christianity throughout the Franconian regions of present-day Germany, where he was ultimately martyred around 689 CE. The town of Würzburg, where he was killed, became an important center for the veneration of Saint Kilian.

Throughout the Middle Ages, the name Kilian gained popularity among Irish and Scottish communities, particularly those with ties to monastic traditions. It was also adopted in various forms across parts of continental Europe, such as the German "Killian" and the French "Killien".

Notable historical figures with the name Kilian include Kilian of Passau, a 7th-century Irish missionary and bishop who helped establish the Diocese of Passau in present-day Germany. Kilian Stumpf (1655-1720) was a German Jesuit missionary and explorer who traveled extensively in Central and South America, mapping regions and contributing to geographical knowledge.

In the 19th century, Kilian Rudinger (1801-1871) was a German Catholic priest and writer who published works on topics ranging from literature to theology. Kilian Kirchhoff (1892-1981) was a German sculptor known for his monumental works, including the famous "Kreuzwegrelief" at the Benedictine Abbey in Maria Laach, Germany.

In more recent history, Kilian Jörg (1940-2008) was a German writer and playwright whose works often explored themes of identity and social critique. His plays were widely performed across Europe and received numerous awards and accolades.

Sourced from namecensus.com.

Popularity

Kilian over time

The chart below shows babies named Kilian registered in England and Wales in the years where the name appears in the published records, from 1996 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 Kilian, the clearest high point is 2021. The latest England and Wales figure is 19 births in 2024, compared with 22 at the peak.

Babies born per year

Kilian
06111722199620102024

Decades

Kilian by decade

Decade totals smooth out the yearly jumps and make it easier to see whether Kilian 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 #1405 93 5
2010s #2380 98 10
2000s #2686 38 7
1990s #1625 14 2

Geography

Where Kilian is most common

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

Kilian ranks best in Northern Ireland in the latest published regional snapshot for that area, where it placed #416 in 2018.

Northern Ireland
3
Scotland
3

Across the UK

Kilian in Scotland and Northern Ireland

Scotland (NRS)

#703 in 2022

4 years of NRS records, 19 total registered

Northern Ireland (NISRA)

#416 in 2018

1 years of NISRA records, 3 total registered

Related

Names similar to Kilian

FAQ

Kilian: questions and answers

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

In 2024, Kilian was ranked #1402 for boys in England and Wales, with 19 births registered.

When was Kilian most popular?

The peak year on record was 2021, with 22 babies registered as Kilian in England and Wales.

What is the meaning and origin of Kilian?

A masculine name of Irish origin meaning "bright-headed" or "bright warrior".

How many people are called Kilian in the UK?

A total of 243 babies have been registered as Kilian across the 24 years of ONS England & Wales records shown here, plus 19 more in Scotland and 3 in Northern Ireland.

Where is Kilian most common?

In the latest published local rankings, Kilian ranks best in Northern Ireland, where it placed #416 in 2018. 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.