The name of the Roman goddess of the moon, Luna is derived straight from the Latin word for moon, luna. Luna may be the name most likely to surprise someone from an older generation by its Top 10 status in the US and its widespread international popularity.

The original oddball celebrity baby name, via Frank Zappa's daughter Moon Unit, who claims she's always liked it.

In Greek mythology, Nyx was a powerful goddess and the embodiment of the night, giving this name a dark yet mystical feel. While some may associate too strongly with the word nix (meaning "nothing", "refuse" or "put an end to"), or to the make-up brand Nyx, it was nevertheless chosen for 64 girls (and 26 boys) in the US in a recent year.

Lumi may be a rare girls' name in the USA and England, but it comes in the Top 50 in Finland, where it means snow. Given the popularity of Winter, Holly, Ivy and many other wintery-christmassy names, we think that short and spunky Lumi definitely has potential for greater usage outside its home country as one of the more unusual names for Christmas babies.

Elva is a multicultural choice, being both an anglicization of the Irish Ailbhe and an feminine form of the name Alf, meaning "elf". Popular in the US at the beginning of the 20th century, it remained in the charts until the 1970s before falling out of favor.

The Play Misty for Me jokes will get old really fast.

Truly multi-cultural, Ira can be: a Russian short form of Irina, meaning "peace"; a gender-switch of the Hebrew male name Ira, meaning "watchful"; a modern Greek and Finnish form of Hera, meaning "hero" or "protectress"; a Sanskrit name meaning "earth" or "enjoyment"; and a Basque nature name meaning "fern", from the word iratzea.

Pixie is a cute -- quite possibly too cute -- name that suddenly feels possible thanks to the craze for names that contain the letter x. Though its origin may be uncertain, a pixie is internationally recognized as a sprite or fairy: tiny, sometimes green, usually pointy-eared.

If Sam can make it as a girl's name, why not Max? Facebook founder Mark Zuckerberg's eldest daughter Maxima goes by Max, but you could also use it as a short form for Maxine, Maximilienne or even Margaux.

Mitzi is a spunky German nickname name that might appeal to parents drawn to the genre of lively vintage chorus girl names that proliferated in 1930's musicals. Lively entertainer Mitzi Gaynor--who was originally named Francesca Marlene de Czani von Gerber--made the name notable in mid-century America.

Among a small shower of rain-related names, this pure version can have a cool, refreshing image.

An enchanting ancient Greek name belonging to the Greek goddess who was created from a cloud by Zeus and so became goddess of the clouds and mother of the centaurs. The name Nephele is not widely known but as among modern parents become used to Phoebe, Penelope, and Persephone, it may become one of the ancient Greek goddess names that's back in the mix.

Boo may have started out as a nickname for the male character Arthur "Boo" Radley in To Kill A Mockingbird and these days may be closely associated with another male Boo, the "world's cutest dog" or with the adorable little girl in Monsters, Inc.

Zephyr may not be a name often heard in the U.S., but its variations are used throughout Europe. Zephyrine, a cousin in sound and feel if not in fact to such lovely names as Severine and Seraphina, has distinctive possibilities.

Like Penn Jillette, you can have your own little brash babe.

Zephyrus was the Greek god of the west wind, and all names associated with him have a pleasantly gentle, breezy feel. With its cool Z initial and similarity in sound to Stephie and Serafina, Zephyr has been rising up the US charts in recent years as a unisex name.

Tempest is one of those names that could go either way. Cool, evocative modern word name? Or asking for trouble? Your call, but if you decide the former image is dominant, be warned that some people will see it as the latter.

Most female Rays used to spell their names Rae, but now the Ray Charles, ray-of-sunshine way is cool for both genders.

Simple but sophisticated, Nisha is a pretty Sanskrit choice that hit the popularity charts in England in the late 1990s. The meaning "night" adds a slightly mystical element to name and it is a hugely popular choice in India, used across multiple languages.

Though the plays by Sophocles and Eugene O'Neill and via the "Electra Complex" proposed by psychoanalyst Carl Jung, this name has, unfortunately, become associated with incest and murder.