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Name Lineage

    The first name Gwenllian

    A girl’s name from Welsh.

    2 syllables Female

    Meaning and origin

    Welsh origin

    From Welsh Gwenllian.

    From Wiktionary (CC BY-SA 4.0).

    Popularity

    Babies registered in England and Wales, 1996–2025

    In 2025, 18 girls were named Gwenllian, making it the 1,639th most popular girls’ name. It peaked in 2023, with 29 births (#1,135).

    01530 1996200020052010201520202025
    529
    babies named Gwenllian, 1996–2025
    #1,639
    rank in 2025
    2023
    peak year

    Office for National Statistics; years with fewer than three births are not published and show as zero. Compare Gwenllian with other names.

    Famous people named Gwenllian

    1 on Wikidata, most written-about first

    • Gwenllian ferch Gruffudd
      12th-century princess consort of Deheubarth in Wales, 1097–1136

    More Welsh girls’ names

    All 78 names of Welsh origin

    Questions

    What does the name Gwenllian mean?
    From Welsh Gwenllian.
    What is the origin of the name Gwenllian?
    From Welsh Gwenllian.
    How popular is the name Gwenllian?
    In 2025, 18 girls born in England and Wales were named Gwenllian, ranking 1,639th. Its peak was 2023, with 29 births.