Though it's used far more often for boys, Lyle has a lot in common with today's trending girl names that share the double L sound: Lila, Layla, and Lola. With its cool island related meaning, derived from the Norman French l'isle, it has been appearing in the US stars for girls since at least the 1880s, given to a small number of girls most years.

Highly unusual water name -- and actor Colin surname -- with a Scottish burr. Firth derives from the Old Norse word fjord.

Brisk but rather brittle. Britt Eklund was a Bond Girl in the 1974 The Man with the Golden Gun. Britt is a contracted form of Birgit, but be aware that it does come with the strong possibility of being confused with Bret/Brett—or as a shortening of Brittany.

One of the simplest, most down-to-earth yet evocative of the word names, which could work — especially as a middle.

Dune is a haunting and evocative sandy-beach name, which also has sci-fi connections. Dune is a science fiction franchise that was launched by Frank Herbert's 1965 novel. Some interesting Dune character names include Alia, Leto, Siona, Bellonda,and Tamalane.

Skater Tai Babilonia brought this sleek modern name to the world's attention. Pronounced "tie."

This nature name hasn't escaped the hippie dippy air of others like River or Sky.

We once dismissed Bird as "too flighty", but with the rise of avian names from Lark to Robin to, well, Birdie, we don't see why Bird can't be a fine choice, especially as a middle name.