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,
Melody,
Genevieve,
Guinevere,
Rosamund,
Vivienne,
Aurora,
Peter,
Felix,
Elijah,
Gabriel,
Seth,
Cole,
Alexander