NameCensus.

UK boy's name

Kaelan

A unisex name of Irish origin meaning "slender and fair".

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.

Kaelan is a boy's name in the UK records. People looking for Kaelan popularity in 2026 should use the latest official release, which is 2024 in this profile. In that release it ranked #1235, with 22 babies registered with the name. Its strongest year in the published records was 2012, with 58 births.

This profile covers 641 England and Wales registrations across 29 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 38% of the recorded peak, which gives a quick read on how the name has moved since its high point.

We estimate that about 714 living people in the UK are called Kaelan. 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

  • Kaelan ranked #1235 for boys in England and Wales in 2024, with 22 registrations.
  • The name peaked in 2012, when 58 boys were registered as Kaelan.
  • Kaelan ranks best in Northern Ireland in the latest published regional snapshot for that area, where it placed #358 in 2016.
  • About 714 living people in the UK are estimated to have Kaelan as a first name, after adjusting past birth registrations with ONS life tables.

Latest rank (E&W)

#1235

2024

Births in 2024

22

Latest year

Peak year

2012

58 births

Estimated living

714

2026

Meaning

What does Kaelan mean?

The name Kaelan is believed to have its origins in the Gaelic language, primarily spoken in Ireland and Scotland. It is derived from the ancient Irish name "Caolán," which means "slender" or "lean." This name has been in use for centuries within these Celtic cultures.

In the early medieval period, around the 5th to 8th centuries AD, the name Caolán was relatively common among Irish and Scottish communities. It was often given to individuals with a slender or lean physique, reflecting the literal meaning of the name. Some historical records suggest that the name may have also been associated with wisdom and intelligence during this time.

One of the earliest recorded examples of the name Kaelan can be found in the Annals of Ulster, a chronicle of medieval Irish history. The entry from the year 766 AD mentions a cleric named "Caolán of Ard-Macha" (Armagh), who was likely a prominent figure in the church at the time.

Throughout history, there have been several notable individuals who bore the name Kaelan or its variations:

1. Kaelan O'Donnell (c. 1550 - c. 1630), an Irish chieftain and leader of the O'Donnell clan in County Donegal, Ireland. 2. Kaelan MacAlister (1783 - 1857), a Scottish poet and writer known for his works in Gaelic and English. 3. Kaelan O'Reilly (1856 - 1928), an Irish-American labor leader and activist who played a significant role in the early labor movement in the United States. 4. Kaelan Mackinnon (1888 - 1965), a Scottish writer and folklorist who documented and preserved many traditional Gaelic stories and legends. 5. Kaelan O'Brien (1914 - 1996), an Irish-American actor who appeared in several Hollywood films and television shows in the mid-20th century.

While the name Kaelan has its roots in the Celtic cultures of Ireland and Scotland, it has gained popularity in various parts of the world over the centuries. The name's association with slenderness and wisdom has contributed to its enduring appeal across different regions and time periods.

Sourced from namecensus.com.

Popularity

Kaelan over time

The chart below shows babies named Kaelan 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 Kaelan, the clearest high point is 2012. The latest England and Wales figure is 22 births in 2024, compared with 58 at the peak.

Babies born per year

Kaelan
015294458199620102024

Decades

Kaelan by decade

Decade totals smooth out the yearly jumps and make it easier to see whether Kaelan 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 #1449 89 5
2010s #859 374 10
2000s #1476 154 10
1990s #1867 24 4

Geography

Where Kaelan is most common

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

Kaelan ranks best in Northern Ireland in the latest published regional snapshot for that area, where it placed #358 in 2016.

Scotland
9
Northern Ireland
4

Across the UK

Kaelan in Scotland and Northern Ireland

Scotland (NRS)

#382 in 2024

15 years of NRS records, 74 total registered

Northern Ireland (NISRA)

#358 in 2016

1 years of NISRA records, 4 total registered

Notable bearers

Famous people named Kaelan

  • Kaelan Majekodunmi

    association football player

    Australian soccer player

    2004-

  • Kaelan Casey

    association football player

    English association football player

    2004-

  • Kaelan Joyce

    boxer

    Gibraltarian boxer

    1982-

Related

Names similar to Kaelan

FAQ

Kaelan: questions and answers

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

In 2024, Kaelan was ranked #1235 for boys in England and Wales, with 22 births registered.

When was Kaelan most popular?

The peak year on record was 2012, with 58 babies registered as Kaelan in England and Wales.

What is the meaning and origin of Kaelan?

A unisex name of Irish origin meaning "slender and fair".

How many people are called Kaelan in the UK?

A total of 641 babies have been registered as Kaelan across the 29 years of ONS England & Wales records shown here, plus 74 more in Scotland and 4 in Northern Ireland.

Where is Kaelan most common?

In the latest published local rankings, Kaelan ranks best in Northern Ireland, where it placed #358 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.