NameCensus.

UK boy's name

Gwydion

A Welsh mythological name meaning "born of trees" or "forest man".

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.

Gwydion is a boy's name in the UK records. People looking for Gwydion popularity in 2026 should use the latest official release, which is 2024 in this profile. In that release it ranked #2263, with 10 babies registered with the name. Its strongest year in the published records was 2024, with 10 births.

This profile covers 76 England and Wales registrations across 15 recorded years from 1996 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.

Gwydion is at its recorded peak in the England and Wales series.

We estimate that about 75 living people in the UK are called Gwydion. 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

  • Gwydion ranked #2263 for boys in England and Wales in 2024, with 10 registrations.
  • The name peaked in 2024, when 10 boys were registered as Gwydion.
  • About 75 living people in the UK are estimated to have Gwydion as a first name, after adjusting past birth registrations with ONS life tables.

Latest rank (E&W)

#2263

2024

Births in 2024

10

Latest year

Peak year

2024

10 births

Estimated living

75

2026

Meaning

What does Gwydion mean?

The name Gwydion originates from Welsh mythology and is associated with the figure of Gwydion fab Don, a legendary prince and magician from the Mabinogion, a collection of medieval Welsh tales. The name is derived from the Welsh words "gwydd," meaning knowledge or wisdom, and "ion," meaning lord or master.

Gwydion is considered one of the most prominent characters in Welsh mythology. In the Mabinogion, he is portrayed as a skilled trickster and shapeshifter who uses his magical abilities to outsmart his enemies and protect his family. He is also credited with introducing the art of poetry and song to the Welsh people.

One of the earliest recorded appearances of the name Gwydion is in the tale of "Math fab Mathonwy," where he plays a central role in the story. In this tale, Gwydion uses his magic to transform a group of animals into human form, creating the first Britons.

Throughout history, there have been several notable individuals who bore the name Gwydion. One of the earliest was Gwydion ap Llywelyn (c. 1170-1237), a Welsh prince and military leader who fought against the English during the Welsh Wars of Independence.

Another notable figure was Gwydion Thomas (c. 1550-1624), a Welsh poet and clergyman who was renowned for his Welsh-language poetry and his work in translating the Bible into Welsh.

In more recent times, Gwydion M. Williams (1936-2017) was a Welsh historian and political writer who authored several books on Welsh history and culture.

Other notable individuals with the name Gwydion include Gwydion Sînkler (1909-1981), a Welsh academic and writer, and Gwydion Pendderwen (born 1946), a prominent figure in the modern Druid movement.

While the name Gwydion is not as common today as it once was, it remains an important part of Welsh cultural heritage and a reminder of the rich mythology and legends that have shaped the Welsh identity over the centuries.

Sourced from namecensus.com.

Popularity

Gwydion over time

The chart below shows babies named Gwydion registered in England and Wales in the years where the name appears in the published records, from 1996 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 Gwydion, the clearest high point is 2024. The latest England and Wales figure is 10 births in 2024, compared with 10 at the peak.

Babies born per year

Gwydion
035810199620102024

Decades

Gwydion by decade

Decade totals smooth out the yearly jumps and make it easier to see whether Gwydion 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 #3462 18 3
2010s #3794 19 4
2000s #2653 21 4
1990s #2263 18 4

Related

Names similar to Gwydion

FAQ

Gwydion: questions and answers

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

In 2024, Gwydion was ranked #2263 for boys in England and Wales, with 10 births registered.

When was Gwydion most popular?

The peak year on record was 2024, with 10 babies registered as Gwydion in England and Wales.

What is the meaning and origin of Gwydion?

A Welsh mythological name meaning "born of trees" or "forest man".

How many people are called Gwydion in the UK?

A total of 76 babies have been registered as Gwydion across the 15 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.