A mythological Welsh name with an intriguing sound, Ceridwen appears in several Welsh legends, in which she is an an enchantress and the owner of the cauldron of poetic inspiration. She is also associated with the great bard, Taliesin, with one 16th-century tale recounting that when her servant consumed a potion of wisdom, intended for Ceridwen's son, Ceridwen swallows the servant, who is then reborn through her as the bard.

This lovely name from Spenser's The Faerie Queene is borne by a character who represents married love. A related unusual-yet-usable choice: Amabel.

Cressida is a pretty mythological and Shakespearean heroine name much better known in Britain than it is in the US. Given to just 7 girls in a recent year, it shares the cool golden meaning of Aurelia, Orla, and Goldie, and offers cute Cassie- alternative nickname Cressie, along with Ida and Sid too.

Pronounced with two syllables, as if spelled Ilsa, Ilse is popular in The Netherlands and may rise here with cousin Elsa.

Sweet but sleek, and distinctive, Liesl is an old German nickname-name for Elisabeth. It might have once seemed inextricably tied to to its country of origin, but now, like Elsa, Enzo, Saoirse, Freya, Soren, and Heidi, it leans more towards being international and European chic.