NameCensus.

UK boy's name

Kierran

A masculine name of Irish origin 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.

Kierran is a boy's name in the UK records. People looking for Kierran 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 1997, with 16 births.

This profile covers 103 England and Wales registrations across 12 recorded years from 1996 to 2007. 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 19% of the recorded peak, which gives a quick read on how the name has moved since its high point.

We estimate that about 119 living people in the UK are called Kierran. 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

  • Kierran ranked #4333 for boys in England and Wales in 2007, with 3 registrations.
  • The name peaked in 1997, when 16 boys were registered as Kierran.
  • Kierran ranks best in Scotland in the latest published regional snapshot for that area, where it placed #425 in 1996.
  • About 119 living people in the UK are estimated to have Kierran 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

1997

16 births

Estimated living

119

2026

Meaning

What does Kierran mean?

The name Kierran is believed to have originated from the Irish Gaelic language, with roots dating back to the early medieval period in Ireland. It is a variant spelling of the name Ciarán, which is derived from the Old Irish word "ciar" meaning "dark" or "black," referring to the color of one's hair or complexion.

One of the earliest recorded mentions of the name Ciarán can be found in the Annals of Ulster, a chronicle of medieval Irish history, where it refers to Saint Ciarán, a renowned Irish monk and monastic founder who lived in the 6th century AD. He is best known for establishing the famous monastery of Clonmacnoise in County Offaly, which became a significant center of learning and spirituality in ancient Ireland.

Throughout the Middle Ages, the name Ciarán and its variants, such as Kierran, were widely used among Irish families, particularly those with ancestral ties to the provinces of Connacht and Ulster. It was a popular choice for parents seeking to honor the legacy of Saint Ciarán or to convey the qualities of leadership and piety associated with his life.

One notable historical figure bearing the name Kierran was Kierran O'Donnell, an Irish chieftain and military leader who lived in the 16th century. He played a significant role in the Gaelic Irish resistance against the English Tudor conquest of Ireland, leading his clan in several battles against the English forces.

Another prominent individual with the name Kierran was Kierran Fitzpatrick, an Irish Jacobite soldier and officer who fought in the Williamite War in Ireland during the late 17th century. He participated in several key battles, including the Battle of the Boyne in 1690, where he served under the command of the deposed King James II.

In more recent times, Kierran Muir was a Scottish historian and author who lived from 1930 to 2016. He specialized in the history of the Scottish Highlands and was known for his extensive research on clan systems and the Jacobite uprisings.

Kierran Mulcare was an Irish-American architect and urban planner who made significant contributions to the development of cities in the United States during the mid-20th century. He was involved in the design and planning of several notable projects, including the renovation of Times Square in New York City.

While the name Kierran has retained its Irish roots, it has also gained popularity in other parts of the world, particularly in English-speaking countries with strong Irish cultural influences or connections. Its enduring use reflects the rich heritage and historical significance associated with this ancient Gaelic name.

Sourced from namecensus.com.

Popularity

Kierran over time

The chart below shows babies named Kierran registered in England and Wales in the years where the name appears in the published records, from 1996 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 Kierran, the clearest high point is 1997. The latest England and Wales figure is 3 births in 2007, compared with 16 at the peak.

Babies born per year

Kierran
0481216199620012007

Decades

Kierran by decade

Decade totals smooth out the yearly jumps and make it easier to see whether Kierran 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 #2516 46 8
1990s #1002 57 4

Geography

Where Kierran is most common

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

Kierran ranks best in Scotland in the latest published regional snapshot for that area, where it placed #425 in 1996.

Scotland
3

Across the UK

Kierran in Scotland and Northern Ireland

Scotland (NRS)

#425 in 1996

4 years of NRS records, 17 total registered

Related

Names similar to Kierran

FAQ

Kierran: questions and answers

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

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

When was Kierran most popular?

The peak year on record was 1997, with 16 babies registered as Kierran in England and Wales.

What is the meaning and origin of Kierran?

A masculine name of Irish origin meaning "little dark one".

How many people are called Kierran in the UK?

A total of 103 babies have been registered as Kierran across the 12 years of ONS England & Wales records shown here, plus 17 more in Scotland.

Where is Kierran most common?

In the latest published local rankings, Kierran ranks best in Scotland, where it placed #425 in 1996. 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.