Familiar in the 19th- and early 20th-centuries, Alta is little heard today, but it does have that four letter, A-a formula of Alma, Alba, Anna, Ayla, and Anya. Derived from the Latin altus, it has an elevated meaning that might boost a child's confidence or reflect how much you value them.

A name that would lavish your child with adoration, a princess name--as in Princess Adora of She-Ra: Princess of Power.

A pretty, feminissima name, more distinctive than Cynthia. George Bernard Shaw used it for a character in his play The Apple Cart, about which it is said 'Orinthia is a name full of magic for me.'

Today Show anchor Savannah Guthrie put this name of a geographical feature on the baby name map when she chose it for her newborn daughter, Vale Guthrie Feldman. Vale might be considered part nature name, part place name: A vale is a kind of valley, often used in poetry. This truly unique choice doesn't even register on the US extended list of names given to five babies or more, but we expect Vale to register as parents are inspired by Guthrie and husband Mike Feldman's creative choice. More prosaicly, Vale might be a short form of Valerie or Valentina.

Leta has hipster cred as the daughter of cool mommy blogger Dooce. Related to the Greek mythological Leda, a great beauty who mothered another great beauty, Helen of Troy, Leta is a name that's as unique as it is historic: Only 14 baby girls were named Leta in the US last year, and 18 were named Leda. Pronunciation is lee-tah.

Amaranta is the unusual and intriguing Latinate form of the Greek botanical name Amarantha, which connects to an eternal mythical figure. An excellent choice for the parent who wants an A name but wishes to move beyond the usual complement of names from Amelia to Annabel.

Amadea is a strong and musical feminine form of Amadeus, as in Mozart.

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.

Deriving from the Catalan title for the Virgin Mary, Nostra Senyora de Núria , meaning "Our Lady of Nuria", this distinctive name is a popular choice in Spain and Portugal.

Illyria can trace all its varied associations to the name of an ancient place in the western part of the Balkan peninsula, also called Illyricum. Its inhabitants, conquered by the Romans in 168 BC, were called the Illyrians. Its mythological ancestor was Illyrius, a demigod and son of King Cadmus and the goddess Harmonia.

Daenerys is yet another girls' name invented by "Game of Thrones" author George R. R. Martin that is beginning to gain some traction in real life. Daenerys was used for 67 baby girls in 2013 while one of the character's titles, Khaleesi, was given to 241 baby girls. And the name Arya, also from the hyper-popular series, is one of the fastest growing girls' names in the country.

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.

A Spanish TV show made this one popular, along with single-named Mexican singer, Alondra.

Very rarely used, could provide a distinctive alternative to Lydia.

Demetria is a dramatic ancient Greek earth goddess possibility with the star-studded nickname Demi. Young actor/singer/songwriter Demi Lovato was born Demetria, but contrary to common hearsay, Demi Moore was born Demi.

An even more unusual cousin name is the Cornish Demelza, made somewhat familiar via the TV series Poldark.

Amaranth is a beautiful herb with bright fuchsia flowers and a tasty seed that flavors many Eastern dishes. The name is filled with potential for the more adventurous namer, with nickname potential (Ammy, Mara) and a fresh sound that still fits in with all the Amelias and Ambers in the playground.

In Greek mythology, Evadne was the daughter of Poseidon. Evadne also appears in literature (Mary Shelley's "The Last Man") and has a pop culture reference as the cousin of Wonder Woman. A more unusual alternative to other Greek "-ee" names like Ariadne, Daphne and Penelope. The trendy "Ev" sound makes this a lovely choice in a world of Evelyns, Evangelines and Everlys.

Ruelle is a delicate feminine name with French origins, literally meaning 'small street' or 'alley' in French. This charming name evokes images of quaint Parisian side streets and carries an artistic, bohemian quality. While relatively uncommon in English-speaking countries, Ruelle has gained some recognition through the American singer-songwriter Ruelle (Maggie Eckford), known for creating atmospheric music featured in television shows. The name has a lyrical sound with its soft 'r' and melodic ending, making it appealing to parents seeking something unique yet elegant. Ruelle represents a perfect blend of subtle sophistication and uncommon distinction.

Saint Eulalia was born in Spain and is the patron saint of Barcelona, so her name and its derivatives are popular throughout the land — especially in her native Catalonia.

Rosella can be seen as a nature name (a rosella is the name of a variety of beautiful Australian cockatoos and an Australian flower) or a diminutive version of Rose.