Variant of Gwendolyn, from Welsh 'gwen' (white, blessed) and 'dolen' (ring or bow), meaning 'blessed ring.'
Gwendalyn is a variant form of Gwendolyn, a name of unmistakably Welsh origin composed of two ancient Celtic elements: gwen, meaning "white," "fair," or "blessed," and dolyn or dolen, meaning "ring" or "loop" — though some scholars parse the second element as relating to a bow or crescent shape. Together they produce a name that evokes luminous beauty, the kind of cool, bright imagery that Welsh poetry traditionally associated with the ideal. The gwen element appears across Welsh names — Guinevere, Gwyneth, Gwenllian — making it a recognizable family with deep roots in the Brythonic tradition.
Gwendolen appears in Geoffrey of Monmouth's 12th-century Historia Regum Britanniae as a legendary queen of Britain who defeats her unfaithful husband in battle and rules wisely in his place — a founding literary moment that gave the name considerable stature. The name entered English usage through the medieval fascination with Arthurian and Celtic legend, and it gained strong literary associations in the 19th century when writers and poets drawn to the Pre-Raphaelite aesthetic embraced Welsh names as evocations of ancient romance. George Eliot used a variant in Daniel Deronda (1876), lending the name additional novelistic gravity.
The Gwendalyn spelling — with its "a" in the third syllable — gives the name an airy, slightly more romanticized quality than the standard Gwendolyn, softening the Welsh solidity into something that flows more openly off the tongue. It's a name for parents who want Arthurian depth and Celtic beauty with a spelling that feels gently modern — substantial history worn lightly.