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.

Christina, a pretty and feminine, crystal clear classic, may be trending downward, but it's never out of style and its extra syllable does keep it fresher feeling than Christine. Christina's short forms Chris, Christie, and Tina might seem date to some — but used in its full form, it possesses the strength and elegance of Diana, Josephine, and Ophelia.

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.

Calista Flockhart spotlighted this lovely Greek name that has a long future in the English-speaking world. Kallista is another spelling; Calixta and Calixto are related.

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.

Sometimes used as a short-form of Catholic Pope name Anacletus, Cletus is an ancient name that has not-yet found the popularity of Theodore, Leo, Atticus and Max. It perhaps suffers from its association to the yokel character in The Simpsons , but we think it's time for a reconsideration, given how well it fits into several current trends. Nickname Clete is cute as a button!

Forget the oil. It's one of the twins that make up the constellation Gemini, and a mythological name on the cutting-edge of fashion; used by Metallica's James Hetfield.

Calixto is known in Spain as the name of three popes, one of whom was the martyr, Callixtus I, regarded as a saint. Calixto has a lot of energy and futuristic spirit, thanks in part to the attention-grabbing 'x.' He is the main character in the Spanish classic, Fernando de Rojas's Tragicomedy of Calixto and Melibea.

Though Collins makes the Top 300 for girls, it sounds strong and handsome for boys too, kind of like the newly-stylish Brooks. The final s updates it from the 80s-ish Colin or the Twilightish Cullen. Might make an innovative honorific for a grandpa Nick.

A royal name in ancient Egypt that's never quite made it to the modern world, though nickname Cleo is widely used. Other now-extinct Cleopatra diminutives, including Cleora and Cleola, achieved some popularity in the early 20th century when there was a crazy for all things Egypt-related as the ancient tombs were opened and artifacts displayed. In the US, Cleopatra became a popular silent film in 1917 starring Theda Bara.

The title of a Shakespeare play based on legends featuring the early Celtic King Cunobelinus, whose name derives from the Gaulish sun god Belenus.

Cadmus is the name of the serpent-slaying hero of Greek mythology who also founded the city of Thebes and is credited with inventing the alphabet. Its ancient feel might appeal to modern parents — especially since Cadmus Peverell is a human Harry Potter character, one of the three original owners of the Deathly Hallows.

Reference to the mythological Three Graces of womanly charm, this one representing charity. Pronounced in Greek as starting with a back-of-the-throat H sound, most English-speakers would translate that to something closer to KAR-is. It's also the name of a girl who lived in Atlantis in the novel Taliesin, and appears in the Margaret Atwood novel The Robber Bride.

Calista Flockhart may have made her variation of this beautiful Greek name familiar to modern Americans, but the even-edgier x version was the name of an earlier feminist heroine: a character in Kate Chopin's The Storm.

Calista Flockhart opened the door to a whole flock of graceful and unusual Greek names like this, including Calantha, Calla, Carissa, and Cassia. Calandra itself is the name of a species of lark, and has the versatile nickname options of Callie, Candy, Andra, Andie and Birdie.

With a long and noble history -- Cyprian was one of the great Christian Latin writers -- this could make a highly unusual but meaningful choice.

Corisande is a very unusual, haunting choice, with the aura of medieval romance--it is found in early Spanish romantic tales, arriving in the English-speaking world in the nineteenth century.

Trending down, along with others of both the Car and the issa groups.

Another of the new Greek-accented Cal- names.

Rhythmic route to the nickname Cal. This musical moniker is another great example of a traditionally feminine name that could easily go masculine.