Gwydion

Boys' name

Literal meaning not recorded

Gwydion has been given to 5 babies in the U.S. since 1994. It was used fewer than 5 times in 2025, so it doesn't appear in the latest year's list — today it's a genuinely uncommon pick. Its peak year was 1994, with 5 recorded.

Babies named Gwydion, 1994

1 in 743,000

Gwydion over time, 1880–2025

Boys

Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Gwydion: meaning, origin, and history

Literal meaning not recorded

Deeper origin not confirmed in the cited records

What Gwydion means

Gwydion is a given name.

Origin, language, and formation

Gwydion is used in Welsh.

Pronunciation and spelling

In Welsh, Gwydion is pronounced /ˈɡwɨ̞djɔn/.

American usage and historical context

In the United States, 5 boys were recorded with the name Gwydion between 1994 and 1994. Its highest annual count was 5 in 1994; its best national rank was #9,325 in 1994.

Sources & methodologyReferences, data & attribution

Meaning, origin, and language notes draw on the references below.

American popularity figures use published Social Security Administration records for this exact spelling. Counts below five for a name, sex, and year are omitted.

Wiktionary material is available under CC BY-SA 4.0.

How common is Gwydion?

Gwydion had fewer than 5 recorded uses in 2025, so these figures use 1994, the last year it was published.

Among all babies, 1994: 1 in 743,000; 5 of 3,715,972 births
Among boys only: 1 in 386,000; <0.01% of boys
Rank, 1994: Unranked; Fewer than 5 uses
Coin-flip room size: 515,144 kids; Even odds of a second one

Where Gwydion sits on the popularity scale

Rarest published (5 a year)#1 — Liam (20,818)

Chance at least one other child shares the name

If the other children were drawn at random from the 1994 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.

Class of 20Under 1%

Class of 30Under 1%

Grade of 100Under 1%

School of 500Under 1%

Put another way: gather 515,144 children born in 1994 and it's an even bet that one of them is another Gwydion. In a class of 30 the chance is Under 1%.

When Gwydions were born

Half of everyone ever recorded as Gwydion was born before 1994 — so the typical Gwydion is around 31 today.

Median birth year: 1994; About 31 years old
Biggest decade: 1990s; 100.0% of all use
Born in the last 25 years: 100.0%; A modern name
Recorded since 1950: 5; People you could plausibly meet

Choose a decade

1990s — 100.0% of all recorded uses (5).

Is Gwydion rising or falling?

Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.

Rank vs 1 year ago: —; Not ranked then
Rank vs 5 years ago: New entry; Not ranked then
Rank vs 10 years ago: —; Not ranked then
Births vs 10 years ago: —; Not published both years
Share of its own peak: 0%; Peak was 1994 (5)
Years since peak: 31; Years
Year-to-year steadiness: Not enough data; Too few years
Best rank ever: #9,325; 1994

Gwydion around the world

Where Gwydion ranks in official birth records elsewhere in the world. Rankings only — the number of births isn’t comparable between places, so it isn’t shown.

England & Wales
1996–2025
#4,275
in 2025
South Australia
1998–1998
#534
in 1998

Popularity data from Office for National Statistics and Consumer and Business Services (South Australia). ONS data under Open Government Licence v3.0. CBS SA data under CC BY 4.0.

Gwydion by the numbers

The raw record for each sex the name is used for.

As a boy's name

Rank in 2025: Unranked
Trend vs 5 yrs ago: —
Best rank ever: #9,325; 1994
Peak year: 1994; 5 that year
First recorded: 1994
Last recorded: 1994
All-time count: 5
Count in 2025: Under 5

Names similar to Gwydion

Matched on shared beginnings and endings, similar length, and comparable popularity.

Savyion Averion Barrion Deshion Dravion Dustion Daejion Omorion Xsavion Camrion Zyreion Rodrion Azerion Jaymion Carrion Jaizion Kaysion Delvion Dallion Ashtion Amyrion Xzarion Daerion Adorion

Sibling names for Gwydion

Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.

For a sister

Breonna Austin Darian Rikki Khadijah Lucero Kaylene Jacquelynn

For a brother

Denton Jade Trever Darion Darrius Mackenzie Daquan Dashawn

Explore around Gwydion

Top names of 1994, Gwydion's peak year The 1990s in full Other names that peaked in 1994 Boys' names starting with G Uncommon Welsh Boy Names Welsh Mythology Names