NameCensus.

UK boy's name

Brenin

A Welsh masculine given name meaning "king" or "leader".

For 2026, the newest official UK baby-name figures on this page are from 2022. That release is the current official benchmark rather than a forecast.

Brenin is a boy's name in the UK records. People looking for Brenin popularity in 2026 should use the latest official release, which is 2022 in this profile. In that release it ranked #4789, with 3 babies registered with the name. Its strongest year in the published records was 2018, with 5 births.

This profile covers 25 England and Wales registrations across 6 recorded years from 2015 to 2022. 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 60% of the recorded peak, which gives a quick read on how the name has moved since its high point.

We estimate that about 25 living people in the UK are called Brenin. 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 2023 or 2026.

Key insights

  • Brenin ranked #4789 for boys in England and Wales in 2022, with 3 registrations.
  • The name peaked in 2018, when 5 boys were registered as Brenin.
  • About 25 living people in the UK are estimated to have Brenin as a first name, after adjusting past birth registrations with ONS life tables.

Latest rank (E&W)

#4789

2022

Births in 2022

3

Latest year

Peak year

2018

5 births

Estimated living

25

2026

Meaning

What does Brenin mean?

The given name Brenin originates from the Welsh language and has its roots in the Brittonic Celtic culture of ancient Britain. The name is derived from the Welsh word "brenhin," which means "king" or "monarch."

In the early medieval period, the title "Brenhin" was used to refer to the rulers of the various Welsh kingdoms and principalities that existed throughout the region. The name Brenin was likely given to male children as a symbol of strength, power, and leadership within the Celtic-Welsh tradition.

One of the earliest recorded instances of the name Brenin can be found in the Welsh Triads, a collection of traditional stories and legends that date back to the Middle Ages. The Triads mention various Welsh princes and rulers who bore the name Brenin or its variations.

Throughout history, several notable figures have carried the name Brenin. One of the most famous was Brenin ap Gruffydd (c. 1062 - c. 1137), a Welsh prince who led a rebellion against the Norman conquerors in the late 11th and early 12th centuries. He was known for his fierce resistance against the Norman occupation of Wales.

Another historical figure with the name Brenin was Brenin Gwynn (fl. 6th century), a legendary Welsh king who is mentioned in several medieval Welsh texts, including the Mabinogion. He is often associated with the mythical island of Avalon and is said to have been a powerful ruler and protector of the Welsh people.

In the 13th century, Brenin ab Owain (c. 1235 - c. 1290) was a Welsh prince and landowner who played a significant role in the Welsh resistance against English rule during the later years of the Principality of Wales.

The name Brenin also appears in the historical records of the 14th century, with Brenin ab Iorwerth (c. 1310 - c. 1380), a Welsh nobleman and military leader who fought alongside Owain Glyndŵr in the Welsh Revolt against the English in the early 15th century.

Another notable figure who bore the name Brenin was Brenin ab Rhys (c. 1480 - c. 1550), a Welsh landowner and politician who served as a member of the Parliament of England during the reign of Henry VIII in the 16th century.

While the name Brenin has its roots in the ancient Welsh tradition, it has since become a rare and distinctive given name across various cultures and regions. Its connection to the concept of kingship and leadership has made it a name that carries a sense of strength and authority throughout history.

Sourced from namecensus.com.

Popularity

Brenin over time

The chart below shows babies named Brenin registered in England and Wales in the years where the name appears in the published records, from 2015 to 2022. Empty years are left out so rare names are not stretched across long periods where the published files do not show any registrations.

For Brenin, the clearest high point is 2018. The latest England and Wales figure is 3 births in 2022, compared with 5 at the peak.

Babies born per year

Brenin
01345201520182022

Decades

Brenin by decade

Decade totals smooth out the yearly jumps and make it easier to see whether Brenin 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 #4319 7 2
2010s #3682 18 4

Related

Names similar to Brenin

FAQ

Brenin: questions and answers

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

In 2022, Brenin was ranked #4789 for boys in England and Wales, with 3 births registered.

When was Brenin most popular?

The peak year on record was 2018, with 5 babies registered as Brenin in England and Wales.

What is the meaning and origin of Brenin?

A Welsh masculine given name meaning "king" or "leader".

How many people are called Brenin in the UK?

A total of 25 babies have been registered as Brenin across the 6 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.