NameCensus.

UK boy's name

Kieryn

Feminine given name of Irish origin, a variant of Kieran meaning "little dark one".

For 2026, the newest official UK baby-name figures on this page are from 2007. That release is the current official benchmark rather than a forecast.

Kieryn is a boy's name in the UK records. People looking for Kieryn popularity in 2026 should use the latest official release, which is 2007 in this profile. In that release it ranked #4333, with 3 babies registered with the name. Its strongest year in the published records was 2003, with 4 births.

This profile covers 10 England and Wales registrations across 3 recorded years from 2003 to 2007. The figures come from ONS England and Wales, 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 75% of the recorded peak, which gives a quick read on how the name has moved since its high point.

We estimate that about 10 living people in the UK are called Kieryn. 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 2008 or 2026.

Key insights

  • Kieryn ranked #4333 for boys in England and Wales in 2007, with 3 registrations.
  • The name peaked in 2003, when 4 boys were registered as Kieryn.
  • About 10 living people in the UK are estimated to have Kieryn as a first name, after adjusting past birth registrations with ONS life tables.

Latest rank (E&W)

#4333

2007

Births in 2007

3

Latest year

Peak year

2003

4 births

Estimated living

10

2026

Meaning

What does Kieryn mean?

The given name Kieryn has its origins in Celtic languages, specifically in Irish and Scottish Gaelic. It is a modern variant of the traditional name Ciaran, which means "little dark one" or "little black one." This name likely emerged sometime in the 5th or 6th century CE, during the early medieval period in Ireland and Scotland.

Ciaran was a popular name among early Irish Christians, as it was borne by several important saints and religious figures. One of the most notable was Saint Ciaran of Clonmacnoise, who founded the famous monastery of Clonmacnoise in County Offaly, Ireland, in the 6th century. This monastic site played a crucial role in the preservation of Irish culture and learning during the Middle Ages.

The earliest recorded use of the name Ciaran dates back to the 5th century, when it appeared in the Annals of Ulster, a chronicle of medieval Irish history. Over the centuries, various spellings and forms of the name emerged, including Kieran, Kyran, and the more modern Kieryn.

Throughout history, several notable individuals have borne the name Kieryn or its variations. One of the earliest was Ciaran of Clonmacnoise (516-549), the Irish saint and monastic founder mentioned earlier. Another prominent figure was Kieran Bracken (c. 616-688), an Irish prince who became a monk and is venerated as a saint in the Catholic Church.

In more recent times, Kieran Culkin (born in 1982) is an American actor known for his roles in movies like "Succession" and "Igby Goes Down." Kieran Read (born in 1985) is a former New Zealand rugby union player who captained the All Blacks national team. Kieran Trippier (born in 1990) is an English professional footballer who currently plays for Newcastle United and the England national team.

While the spelling "Kieryn" is relatively uncommon, it reflects the modern trend of creating unique variations of traditional names. The name's Celtic roots and historical associations with saints and scholars have contributed to its enduring popularity, particularly in Ireland, Scotland, and among people of Irish and Scottish descent.

Sourced from namecensus.com.

Popularity

Kieryn over time

The chart below shows babies named Kieryn registered in England and Wales in the years where the name appears in the published records, from 2003 to 2007. Empty years are left out so rare names are not stretched across long periods where the published files do not show any registrations.

For Kieryn, the clearest high point is 2003. The latest England and Wales figure is 3 births in 2007, compared with 4 at the peak.

Babies born per year

Kieryn
01234200320052007

Decades

Kieryn by decade

Decade totals smooth out the yearly jumps and make it easier to see whether Kieryn 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
2000s #3747 10 3

Related

Names similar to Kieryn

FAQ

Kieryn: questions and answers

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

In 2007, Kieryn was ranked #4333 for boys in England and Wales, with 3 births registered.

When was Kieryn most popular?

The peak year on record was 2003, with 4 babies registered as Kieryn in England and Wales.

What is the meaning and origin of Kieryn?

Feminine given name of Irish origin, a variant of Kieran meaning "little dark one".

How many people are called Kieryn in the UK?

A total of 10 babies have been registered as Kieryn across the 3 years of ONS England & Wales records shown here.

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.