Welsh Mythology Names
Welsh legendary names carry the stories of Rhiannon, Branwen, and the court of Arthur. These choices come from the Mabinogion and related traditions; English forms are identified where they differ from the Welsh name.
| Save name | Name & connection | History 1926–2025, yearly counts; individually scaled | Babies 2025 · rank | 5-year rank movement | Peak year |
|---|---|---|---|---|---|
The king whose court appears in several Welsh tales. | 3,847#87 | Up 76 rank positions in five years | 1921 | ||
Dylan ail Don, the sea-associated brother of Lleu. | 6,208#41 | Up 1 rank positions in five years | 2001 | ||
The otherworld woman at the center of the First and Third Branches. | 210#1,119 | Up 38 rank positions in five years | 1999 | ||
Geraint's wife in one of the Welsh romances. | 30#4,585 | Down 5 rank positions in five years | 1920 | ||
An epithet associated with Myrddin, the Welsh Merlin tradition. | 157#1,260 | Up 530 rank positions in five years | 2024 | ||
The legendary poet whose transformation story is told in later tradition. | 11#7,620 | Down 1,956 rank positions in five years | 2021 | ||
Bendigeidfran, or Bran the Blessed, is the giant king of the Second Branch. | —Unranked | — | 2021 | ||
The knight of the Welsh romance The Lady of the Fountain. | 7#10,407 | Up 3,129 rank positions in five years | 2008 | ||
Bran's sister, whose marriage sets the Second Branch in motion. | —Unranked | — | 1975 | ||
The heroine of Culhwch and Olwen. | —Unranked | — | 1917 | ||
The magician and storyteller of the Fourth Branch. | —Unranked | — | 1994 | ||
The keeper of the cauldron in the Taliesin tradition. | —Unranked | — | 2016 |
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Sources & methodology
Meaning summaries use Wiktionary (CC BY-SA 4.0) and referenced name histories. Each name’s detail page includes its sources.
Membership on this list is editorial — we chose names that genuinely fit the theme. Every number is from official birth data: "—" means the name had fewer than 5 recorded uses in 2025, which makes it a genuinely rare pick today, not an invalid one. The dot marks whether the stats shown are for the girls' or boys' use of the name.