NameCensus.

UK girl's name

Selyn

A feminine variation of the Welsh name Selene, meaning "moon".

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.

Selyn is a girl's name in the UK records. People looking for Selyn popularity in 2026 should use the latest official release, which is 2024 in this profile. In that release it ranked #4192, with 5 babies registered with the name. Its strongest year in the published records was 2023, with 7 births.

This profile covers 15 England and Wales registrations across 3 recorded years from 2020 to 2024. 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 71% of the recorded peak, which gives a quick read on how the name has moved since its high point.

We estimate that about 15 living people in the UK are called Selyn. 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

  • Selyn ranked #4192 for girls in England and Wales in 2024, with 5 registrations.
  • The name peaked in 2023, when 7 girls were registered as Selyn.
  • About 15 living people in the UK are estimated to have Selyn as a first name, after adjusting past birth registrations with ONS life tables.

Latest rank (E&W)

#4192

2024

Births in 2024

5

Latest year

Peak year

2023

7 births

Estimated living

15

2026

Meaning

What does Selyn mean?

The name Selyn is believed to have originated from the Welsh language, where it is a variation of the name Celyn, which means "holly" or "holly tree." The name is derived from the Welsh word "celyn," which refers to the evergreen holly plant.

In Welsh mythology and folklore, the holly tree held significant symbolism and was often associated with protection, fertility, and the winter solstice celebrations. The name Selyn may have been initially used to honor or pay tribute to the holly tree's importance in Welsh culture.

One of the earliest recorded instances of the name Selyn can be found in the Mabinogion, a collection of medieval Welsh prose stories and myth. In the tale of "Culhwch and Olwen," a character named Selyn ap Rhegau is mentioned as one of the warriors accompanying the hero Culhwch on his quest.

Throughout history, there have been several notable individuals who bore the name Selyn. One of the earliest recorded was Selyn ap Dafydd (born circa 1450), a Welsh poet and musician known for his cywyddau (a form of Welsh poetry) compositions.

In the 16th century, Selyn ap Siencyn (born around 1520) was a prominent Welsh bard and composer who served as a court poet to several noble families in Wales. His works were highly regarded and contributed to the preservation of Welsh bardic tradition.

During the 18th century, Selyn Jones (1721-1794) was a Welsh clergyman and author who wrote extensively on religious and moral topics. His works, such as "Drych y Prif Oesoedd" (Mirror of the Primary Ages), were widely read and influential in his time.

In the 20th century, Selyn Humphreys (1919-2011) was a Welsh politician and member of the British Parliament, representing the constituency of Merioneth from 1966 to 1983. She was a prominent advocate for Welsh language rights and played a significant role in the Welsh cultural revival movement.

Another notable figure was Selyn Roberts (1928-2016), a Welsh actress and singer who gained popularity for her performances in various Welsh language television shows and stage productions. She was acclaimed for her contributions to the preservation and promotion of Welsh culture and language.

While the name Selyn has its roots in Welsh tradition and mythology, it has since been adopted by various cultures and communities around the world, often as a variation or adaptation of the original Welsh name. However, its connection to the symbolic holly tree and Welsh heritage remains an integral part of its history and meaning.

Sourced from namecensus.com.

Popularity

Selyn over time

The chart below shows babies named Selyn registered in England and Wales in the years where the name appears in the published records, from 2020 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 Selyn, the clearest high point is 2023. The latest England and Wales figure is 5 births in 2024, compared with 7 at the peak.

Babies born per year

Selyn
02457202020222024

Decades

Selyn by decade

Decade totals smooth out the yearly jumps and make it easier to see whether Selyn 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 #4301 15 3

Related

Names similar to Selyn

FAQ

Selyn: questions and answers

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

In 2024, Selyn was ranked #4192 for girls in England and Wales, with 5 births registered.

When was Selyn most popular?

The peak year on record was 2023, with 7 babies registered as Selyn in England and Wales.

What is the meaning and origin of Selyn?

A feminine variation of the Welsh name Selene, meaning "moon".

How many people are called Selyn in the UK?

A total of 15 babies have been registered as Selyn 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.