One of the few ancient Roman names that doesn't end in us, the rarely heard Tarquin has a decidedly creative, even dramatic flair, which could appeal to the parent looking for a strikingly original name. Sir Laurence Olivier used it for his oldest child, who was named Simon Tarquin but called by his middle name.

Cassiopeia, the name of a mythological mother who became a stellar constellation, is challenging but intriguing, and has all those softening Cass nicknames available. And with all names Cass-related trending, Cassiopeia may be an unusual route to a stylish name.

This hyper-rhythmic name has two evocative references. In Greek mythology, she was an island nymph, a daughter of Atlas, who delayed Odysseus from returning home. It is also a genre of West Indian music, originating in Trinidad and Tobago and largely popularized in the States by Harry Belafonte.

This ephemeral name of the loving angels surrounding the throne of God is all but unheard of in the US, although its feminine forms Seraphine and Seraphina are catching on. In Russia, it's long been in use, spelled Серафим (Serafim).

Sadly, this strong Celtic name often has "of the sorrows" attached to it because of the tragic character in Irish legend. Also a bit drab when compared with newer Irish imports.

Now that Faye is back on the Top 1000 after a decades-long absence, its spelling variations are being revived as well. Fae was given to nearly as many baby girls last year as Fay and may be especially attractive as a middle name option.