NameCensus.

UK boy's name

Caelin

A masculine name of Celtic origin meaning "slender" or "small warrior".

For 2026, the newest official UK baby-name figures on this page are from 2010. That release is the current official benchmark rather than a forecast.

Caelin is a boy's name in the UK records. People looking for Caelin popularity in 2026 should use the latest official release, which is 2010 in this profile. In that release it ranked #4678, with 3 babies registered with the name. Its strongest year in the published records was 2007, with 3 births.

This profile covers 6 England and Wales registrations across 2 recorded years from 2007 to 2010. The figures come from ONS England and Wales and NRS Scotland, 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 100% of the recorded peak, which gives a quick read on how the name has moved since its high point.

We estimate that about 9 living people in the UK are called Caelin. 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 2011 or 2026.

Key insights

  • Caelin ranked #4678 for boys in England and Wales in 2010, with 3 registrations.
  • The name peaked in 2007, when 3 boys were registered as Caelin.
  • Caelin ranks best in Scotland in the latest published regional snapshot for that area, where it placed #701 in 2019.
  • About 9 living people in the UK are estimated to have Caelin as a first name, after adjusting past birth registrations with ONS life tables.

Latest rank (E&W)

#4678

2010

Births in 2010

3

Latest year

Peak year

2007

3 births

Estimated living

9

2026

Meaning

What does Caelin mean?

The given name Caelin has its origins rooted in the Gaelic culture of Ireland and Scotland. It is derived from the Old Irish word "caelán," which means "slender" or "thin." This name gained popularity during the medieval period, particularly among the Celtic communities of the British Isles.

One of the earliest recorded examples of the name Caelin can be traced back to the 9th century, when it was mentioned in the Annals of Ulster, a chronicle of medieval Irish history. The name appeared in reference to a historical figure, Caelin of Armagh, who was a prominent scholar and abbot in the monastic tradition of that era.

Throughout the Middle Ages, the name Caelin held significant cultural significance among the Irish and Scottish clans. It was often bestowed upon individuals who possessed a slender or graceful physique, reflecting the name's original meaning.

In the 12th century, a notable figure named Caelin O'Conor rose to prominence as the King of Connacht, a prominent kingdom in western Ireland. His reign was marked by notable achievements in diplomacy and military strategy, further solidifying the name's association with strength and leadership.

During the Renaissance period, the name Caelin gained recognition beyond the Celtic realms. Caelin Buitler, an Irish philosopher and theologian born in 1544, made significant contributions to the intellectual discourse of his time, particularly in the fields of ethics and metaphysics.

In more recent centuries, the name Caelin has continued to appear in various historical contexts. Caelin Loftus, a British explorer born in 1784, gained fame for his expeditions to the Arctic regions, where he documented the lives of indigenous peoples and made valuable cartographic contributions.

Another noteworthy figure was Caelin Huxley, a renowned English writer and philosopher born in 1923. Huxley's literary works explored themes of existentialism, ethics, and the human condition, earning him critical acclaim and a lasting legacy in the world of literature.

It is important to note that while these historical examples provide insights into the rich tapestry of the name Caelin, its usage and popularity have evolved over time, transcending cultural and geographic boundaries, reflecting the ever-changing nature of naming traditions.

Sourced from namecensus.com.

Popularity

Caelin over time

The chart below shows babies named Caelin registered in England and Wales in the years where the name appears in the published records, from 2007 to 2010. Empty years are left out so rare names are not stretched across long periods where the published files do not show any registrations.

For Caelin, the clearest high point is 2007. The latest England and Wales figure is 3 births in 2010, compared with 3 at the peak.

Babies born per year

Caelin
01223200720082010

Decades

Caelin by decade

Decade totals smooth out the yearly jumps and make it easier to see whether Caelin 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
2010s #4678 3 1
2000s #4333 3 1

Geography

Where Caelin is most common

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

Caelin ranks best in Scotland in the latest published regional snapshot for that area, where it placed #701 in 2019.

Scotland
3

Across the UK

Caelin in Scotland and Northern Ireland

Scotland (NRS)

#701 in 2019

1 years of NRS records, 3 total registered

Related

Names similar to Caelin

FAQ

Caelin: questions and answers

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

In 2010, Caelin was ranked #4678 for boys in England and Wales, with 3 births registered.

When was Caelin most popular?

The peak year on record was 2007, with 3 babies registered as Caelin in England and Wales.

What is the meaning and origin of Caelin?

A masculine name of Celtic origin meaning "slender" or "small warrior".

How many people are called Caelin in the UK?

A total of 6 babies have been registered as Caelin across the 2 years of ONS England & Wales records shown here, plus 3 more in Scotland.

Where is Caelin most common?

In the latest published local rankings, Caelin ranks best in Scotland, where it placed #701 in 2019. 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.