The name Gwenllian means White Flood and is of Welsh origin. Gwenllian is a name that's been used primarily by parents who are considering baby names for girls.
People who like the name Gwenllian also like the names: Adelaide,
Vivienne,
Aurora,
Zoe,
Mary,
Anastasia,
Melody,
Peter,
Felix,
Atlas,
Bingham,
Benjamin,
Liam,
Gray