Could there be a more poetic name than Sonnet? Actor Forest Whitaker was inspired to choose it for his daughter.

A starry-eyed, intergalactic name, far rarer than Stella or Esther. It's attached both to a comic book character and to Princess Astra on "Doctor Who".

Another astral name, this one relating to one of the largest and brightest stars in the heavens, is popular in Scandinavia and Spain, where it ranks among the Top 50 girls' names. Although still very rare in the US, we think it has serious potential to follow the likes of Luna and Lyra up the charts.

One of those ultimate cool-girl names, played by Keira Knightley in a movie about a supermodel-turned-bounty hunter, but kids might associate it with the game. High profile British designer India Hicks used it for her daughter. As a girls' nameit's still very rare, used in 2015 in the US for only seven baby girls.

With the advent of Pope Francis, all forms of this ancient and saintly name came up for a fresh look. Along with most other -een and -ine (when pronounced like -een) names for girls, Francine has a dated midcentury Mad Men feel. But its choice for their daughter by modern glamour couple Casey Neistat and Candice Pool, respectively a video star and a jewelry designer, has made Francine chic again.

Fianna, a virtually unknown Irish name in the US, combines the best elements of Fiona and Brianna. In Irish and Scottish mythology, the Fianna were independent bands of warriors. It has ranked in Northern Ireland's Top 100 for girls several times over the past decade. The name also has potential political connotations: Fianna Fáil is a conservative Irish republican political party.

This feminine form of Theodosius has long been buried deep in the attic, but might be a good discovery for the parent who wants to move beyond Theodora. Vice President Aaron Burr named a daughter Theodosia ("Dear Theodosia" is a song in the smash musical Hamilton), and it was the birth name of silent screen vamp Theda Bara. Theodosia actually appeared on the US popularity lists in the 1880s and 90s.

This name of a character played by Kirsten Dunst in the movie Virgin Suicides, originally a novel by Jeffrey Eugenides, is gaining attention, also thanks to the heroine Lux, Lady of Luminosity in the League of Legends games. Luz is the Spanish version.

Attractive, rhythmic choice with roots in several languages and cultures. It's a lesser-known a celestial name, meaning "star" in Basque and referring to a star in the constellation Boötes in Arabic.

With Isabel getting so popular, parents are searching for new varieties of the name, and Isabeau is one that makes a lovely French twist.

Could Lilac be the next Lila or Lily or Violet? It certainly has a lot going for it--those lilting double 'l's, the fabulous fragrance it exudes, and the fact that it's a color name as well, providing a ready made nursery theme. In addition, the lilac is symbolic of first love.

Though twin brother Gerald is still in baby name limbo, Geraldine is in line to follow the path of Josephine to imminent revival—even though Gerry is not as spunky a nickname as Josie.

You might think Artemisia is the feminine form of the name, but in fact the original Artemis is feminine too, the name of the Greek mythological goddess of the moon. Artemisia Gentileschi was an esteemed Italian Baroque painter, unusual in an era when not many women were acknowledged. Artemisia is also a genus of plants which include sagebrush and tarragon.

Endellion is the name of an early saint who was a daughter of King Brychan and goddaughter of King Arthur whose life is commemorated by the Cornish village of St. Endellion. This intriguing ancient name was brought into modern usage by British Prime Minister David Cameron, who used it as one of the middle names for his fourth child, a baby girl.

Mythological spirit of the waters; spelled Undine, she was an Edith Wharton heroine.

Sweet and stylish, Lucine is a versatile choice that can be used as a spelling variation of the celestial Armenian name Lusine. It is equally considered an elaboration of the classic Lucy and as a French form of Lucina, a name that means "grove", but can also be associated with light.

Thisbe, the name of a beautiful but tragic lover in mythology, is lively and cute -- in a slightly thistly, prickly way. Ovid retold the story of Thisbe and Pyramus, young lovers in ancient Babylon kept apart by family rivalry, which was the inspiration for Romeo and Juliet. A modern bearer of the name is writer Thisbe Nissen.

In Sarah Dessen's novel Along for the Ride, the baby daughter is named Thisby, nn Isby.

Tansy is a flower name rarer than Rose, livelier than Lily and a lot less teasable than Pansy.

Tula is a multicultural name, linked to the names Tallulah, Gertrude, and Tullia, a mountain range in Antarctica, and to the Greek Toula, used for the heroine of the hit film My Big Fat Greek Wedding.

An attractive and unusual name that may be a variation of Cleo, Clea was possibly invented by Lawrence Durrell for a character in his Alexandria Quartet.