NameCensus.

UK name, mostly boys

Merlyn

Bird of the shining sea, symbolizing grace and wisdom.

For 2026, the newest official UK baby-name figures on this page are from 2023. That release is the current official benchmark rather than a forecast.

Also recorded as a girls' name in the UK, with 9 girls.

Merlyn is mostly registered for boys in the UK records. People looking for Merlyn popularity in 2026 should use the latest official release, which is 2023 in this profile. In that release it ranked #4991, with 3 babies registered with the name. Its strongest year in the published records was 2005, with 3 births.

This profile covers 9 England and Wales registrations across 3 recorded years from 2005 to 2023. 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 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 Merlyn. 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 2024 or 2026.

Key insights

  • Merlyn ranked #4991 for boys in England and Wales in 2023, with 3 registrations.
  • The name peaked in 2005, when 3 boys were registered as Merlyn.
  • Merlyn is also recorded for girls, but the boys side is the larger UK variant in these records.
  • About 9 living people in the UK are estimated to have Merlyn as a first name, after adjusting past birth registrations with ONS life tables.
  • Across the England and Wales records shown here, 50.0% of Merlyn registrations are for boys.

Latest rank (E&W)

#4991

2023

Births in 2023

3

Latest year

Peak year

2005

3 births

Estimated living

9

2026

Gender

Boy and girl registrations for Merlyn

In England and Wales birth records, Merlyn has been registered for both boys and girls. Across the years shown here, 50.0% of registrations are for boys and 50.0% are for girls.

These figures use the sex categories in the published baby-name files. They are useful for spotting how the name is used at registration, but they are not a live measure of gender identity or everyone living with the name today.

50% boys
50% girls
Boys9 (50.0%)Girls9 (50.0%)

Merlyn registered for boys

  • Ranked #4,991 in 2023
  • 3 boys registered in 2023
  • Peak: 2005 (3 births)

Merlyn registered for girls

  • Ranked #5,545 in 2008
  • 3 girls registered in 2008
  • Peak: 1998 (3 births)

Meaning

What does Merlyn mean?

The name Merlyn originates from the Brythonic Celtic language spoken in ancient Britain, derived from the Welsh words "mor" meaning "sea" and "llyn" meaning "lake" or "pool". It is believed to have been a common name among the ancient Britons, particularly in areas near the coast or lakes.

One of the earliest recorded instances of the name Merlyn is found in the Arthurian legends, where it is the name given to the wizard and mentor of King Arthur. In these tales, which date back to the 12th century, Merlyn is depicted as a powerful sorcerer who guides and advises the young Arthur on his path to becoming the legendary king.

The name Merlyn has also been linked to the historical figure of Myrddin Wyllt, a 6th century poet and prophet from the region of Cumbria in northern England. According to legends, Myrddin was known for his prophetic abilities and his connection to nature, which may have influenced the portrayal of the character Merlyn in the Arthurian stories.

Throughout history, there have been several notable individuals who bore the name Merlyn. One of the most famous was Merlyn Rees (1920-2006), a British politician who served as the Home Secretary of the United Kingdom from 1976 to 1979. Another was Merlyn Sheldrake (1923-2022), an English-born Canadian writer and teacher who published several books of poetry and children's literature.

In the realm of literature, the name Merlyn has been used by authors such as T.H. White in his novel "The Once and Future King" (1958), where the character of Merlyn is portrayed as a wise and eccentric wizard who guides the young Arthur. The name has also been used in various fantasy and science fiction works, often as a nod to the Arthurian legends.

While the name Merlyn has its roots in ancient Celtic culture, it has transcended its origins and has been adopted by various cultures and societies throughout history, serving as a reminder of the enduring influence of the Arthurian legends and the fascination with the mystical and supernatural.

Sourced from namecensus.com.

Popularity

Merlyn over time

The chart below compares boys and girls registered as Merlyn in England and Wales, from 1998 to 2023. Empty years are left out so rare names are not stretched across long periods where the published files do not show any registrations.

For Merlyn, the clearest high point is 2005. The latest England and Wales figure is 3 births in 2023, compared with 3 at the peak.

Babies born per year

BoysGirls
01223199820102023

Decades

Merlyn by decade

Decade totals smooth out the yearly jumps and make it easier to see whether Merlyn 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 #4991 3 1
2010s #4810 3 1
2000s #3849 3 1

Related

Names similar to Merlyn

FAQ

Merlyn: questions and answers

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

In 2023, Merlyn was ranked #4991 for boys in England and Wales, with 3 births registered.

When was Merlyn most popular?

The peak year on record was 2005, with 3 babies registered as Merlyn in England and Wales.

What is the meaning and origin of Merlyn?

Bird of the shining sea, symbolizing grace and wisdom.

How many people are called Merlyn in the UK?

A total of 9 babies have been registered as Merlyn 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.