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Adira is one of those rare names that's both little-used and simple, and crosses languages easily. Pronounced ah-DEER-ah, Adira is given to only a handful of girls in the US each year and could make a worthy substitute for such overexposed favorites as Ava and Ariana.

Alexis, a one-time exclusively-boys’ name, was more popular than its sister Alexandra for quite a while, but in recent years Alexandra has overtaken it once again. Alexis was a Top 20 girls’ name from 1994-2010 but has experienced a decline in popularity in recent years, though now it's one of the top unisex names.

About 60 girls were named Alise in the US last year, making it an uncommon but not truly rare name. While it's pretty and intriguing as a spin on the very popular Alice, it's pronounced more like Elise or -- in Latvian -- Elisa, and so may prove more confusing than it's worth. If you want to name your daughter Alice, name her Alice, and if you want to name her Elise, name her Elise. Choosing Alise in many ways gives you the worst of all worlds.

Simple and yet distinctive, Ara is a mythological name of a famously handsome king. Although it originated as a boys' name, in the contemporary US, it's now much more commonly used for girls.

Arya was derived from an Indo-Iranian word meaning "Aryan" or "noble." It is a masculine given name in Iran, Indonesia, Bali, and Sanskrit-speaking regions of India. In Hindu- and English-speaking parts of the world, Arya is more often a feminine name, the latter influenced by the similar Italian name Aria, meaning "air" or "song."

A male Biblical name meaning healer, Asa is also an international gem. In Japanese, it means "(born in the) morning". And in Scandinavia, where it's generally spelled Åsa or Ása and pronounced O-sa, it's a popular diminutive form of Old Norse names beginning with the element áss "god".

Avis is a bird name that's been in hibernation for awhile, possibly due to the car rental association, but it could make a return on the wings of Ava. Baldwin brother Daniel chose it for his daughter.

The Calytrix flower is endemic to much of Australia and is part of the myrtle family. They are commonly known as star flowers, due to their dainty (usually bright white) 5 petalled flowers. The name derives from Greek calyx "cup" + trix "hair".

Celeste is a softly pretty and somewhat quaint name with heavenly overtones, which kids might associate with Queen Celeste of Babar's elephant kingdom. She's a light and lovely choice that's finally getting noticed.

Charlotte, the name of the young Princess of Cambridge, is the latest classic name to join Sophia, Emma, Olivia, and Isabella at the top of the popularity list. It is now among the most popular girl names in many English-speaking and European countries.

As frozen in the pre-Beatles era as short white gloves.

Clio is the name of the ancient Greek mythological muse of history and heroic poetry, one that is rich with modern charm and would make an intriguing choice, especially thanks to its dynamic o-ending. Unlike the sound-alike Cleo, which brings up visions of Cleopatra, Clio is very much a stand-alone name.

Coco came to prominence as the nickname of the legendary French designer Chanel (born Gabrielle) and has lately become a starbaby favorite, initially chosen by Courteney Cox for her daughter Coco Riley in 2004. At first it was the kind of name that the press loves to ridicule, but we predict Coco's heading for more broad acceptance and even popularity.

Melodic and lively, Delilah has cut itself (mostly) free from its treacherous past to become a contemporary favorite.

One of the original French names chosen by midcentury parents for their sophistication and je ne sais quoi, Desiree has since become completely assimilated in the US. It ranked in the Top 1000 from 1954-2017, but has since dropped back out.

St Dwynwen is the Welsh patron saint of lovers, and her feast day on January 25 is the equivalent of Valentine's day in Wales. The short form Dwyn may be more manageable for the non-Welsh.

Ellis, a surname used sparingly as a first in the Wallace/Morris period, sounds new now for girls, as a gender-neutral alternative to Ella or Alice. It debuted in the US Top 1000 for girls in 2015.-- Ellis has always been in the Top 1000 for boys -- and seems to be headed straight up. One of the most popular gender-neutral names, currently there are two baby boys named Ellis for every girl.