This unjustly neglected floral name has a BBC accent and a Greek mythological heritage: Anthea is an epithet of Hera, the Greek queen of the gods, and her name has been used as poetic symbol of spring. 
 Anthea Disney is a high-powered business executive and distant relative of Walt.
 So if you want to go even beyond Azalea and Anemone, you might consider Anthea.

Anthea

Avalon, an island paradise of Celtic myth and Arthurian legend--it was where King Arthur was taken to recover from his wounds-- and also the colorful capital of the California island of Catalina-- makes a heavenly first name. Actress Rena Sofer and British musician Julian Cope used it for their daughters.
 Avalon manages to blend the appeal of Ava and Evelyn, while sounding more interesting and unique.

Avalon

Azura

A Disneyfied name: Faline was the sweet doe Bambi fell in love with. 

Faline

Now that Tristan has been rediscovered, maybe it's time for his fabled lover in the Arthurian romances and Wagnerian opera, a beautiful Irish princess, to be brought back into the light as well. 
 This would make an artistic and romantic choice, as the medieval heroine is seen as a symbol of undying love. 
 In Marilyn French's novel The Women's Room, the character Isolde is nicknamed Iso. Isolde is currently a Top 500 name in the Netherlands. Variations include Iseult, Isolt, Isoud, Isolda and Yseult.

Isolde

Isodora

Contrary to popular belief, the name Kahlo has German origins, rather than Spanish. It derives from kahl, a German word meaning "bald." Mexican Artist Frida Kahlo was born to a German father, photographer Guillermo Kahlo. 
 
Kahlo is given to baby girls and boys in roughly equal numbers each year. It's a modern hero name — the names of virtually all baby Kahlos were inspired by Frida.

Kahlo

One of the warm and earthy Russian nickname names now coming into style.  Denzel Washington gave his daughter the Katia spelling.  

Katya

A Top 100 name from 1896 to 1921, Leona reached as high as Number 72.
Since then, Leona had seemed to be one of the most unfashionable of the pride of lion names, but singer Leona Lewis has done a lot to rejuvenate it.

Leona returned to the Top 1000 in 2009 after decades of being away. 
 A somewhat more sophisticated option is the French Leontine.

Leona

Lucienne is a soft and ultra-sophisticated French-accented option in the Lucy family, one that could provide a fresh alternative to such fatigued Gallic choices as Danielle and Michelle.
 So if you're looking for a more elegant take on Lucy, this could be it. The original male Lucian is a Latin name while Lucien is the French form and Lucienne is a female spin on that.

Lucienne

Marietta would make for a classy and uncommon long form for cool nickname Etta.

 The meaning of Maria is uncertain, but theories include "drop of the sea" (from Hebrew roots mar "drop" and yam "sea"); "bitter" (from Hebrew marah "bitterness"); and "beloved" (from the Egyptian root mr).

Marietta

Comedian Tracy Morgan added this one to the lexicon when he chose it for his daughter.  In English, a maven can be defined as an expert or connoisseur.  Maven feels more nameworthy than some other word choices given its similarity to the Irish Maeve or the trendy spiritual choice Haven.

Maven

Adventurous parents are venturing deeper into the garden in search of fresh names, but remember that this also makes for an alcoholic brunch. 

Mimosa

Mirabel is one of those names that's not on the Top 1000 but ought to be, and undoubtedly will be soon following the release of Disney's 2021 Encanto. Mirabel is the film's quirky and highly relatable heroine. Mirabel had a significant rise in 2022, going from 34 births in 2021 to 153 births in 2022. Read more about Mirabel and other <a href="https://nameberry.com/blog/disney-princess-names">Disney Princess Names</a> in our featured blog.

 Along with Maribel, Annabel, Rosabel and the like, Mirabel is a more unusual and elegant alternative to the popular Isabel. Spelled Mirabelle, it is also the name of a delicate French plum variety.
 
Mirabel and the Italian form Mirabella were both quite common in the later Middle Ages, and Mirabel is scattered throughout early English poetry. Mirabel has a nice pair of nickname options: Mira and Belle.

Mirabel

Penrose – an ancient place-name and surname derived from several villages in Cornwall, Wales, and the Welsh border country of England – would make for an even more unexpected alternative to quirky nature name Primrose. Intuitive nicknames Penny or Rosie make it feel more wearable.

Penrose

Quintana

One of the glamour girl names of the Rita Hayworth 1940s, Rita was once a Top 50 name and stayed on the SSA list until 2002.
 The name Rita still has enough Latin zip to be a lively, revivable short form of Margarita. Other namesakes include Puerto Rican actress/singer Rita Moreno (born Rosa), poet Rita Dove and novelist Rita Mae Brown. Rita Skeeter is a Harry Potter character.

 In Indian religion and philosophy, Rita is the cosmic order mentioned in the Vedas.

Rita

Best known as the beautiful heroine to whom Cyrano de Bergerac says, "Your name is like a golden bell". 
 After peaking in 1954, the name dipped out of the Top 1000 in 2012. It returned at Number 986 for 2013. Activist writer Roxane Gay uses an alternate spelling.

Roxanne

Upper crust-y surname Sheridan gains some energy when used for a girl. 

Sheridan

Sidonie is an appealing and chic French favorite that is starting to attract some American fans as a fresher alternative to Sydney. Also spelled Sidony, Sidonie was the birth name of the French novelist Colette. 
In the old form Sindony, it was a common name in Tudor period England, the 'n' being dropped in the seventeenth century, leading to Sidony, Sidonie and Sidney.
 Well-used in France, Sidonie ranks in that country's Top 400.

Sidonie

A bright and warm possibility for a summertime girl, Solana has been heard in a few video games. Solana Rowe is the real name of the singer known as SZA. Names with sunny meanings are red-hot, with Soleil, Sunny, and Sol amongst the most fashionable today. Spanish Solana — meaning "sunshine" — is a welcome addition to the party that entered the US Top 1000 for the first time in 2023.

Solana

Although Sylvia seems to be having somewhat of a revival among trendsetting baby namers, we'd still opt for the even gentler and more unusual Sylvie. Despite being dated in its native France (where it was popular during the 1950s and 60s), in English-speaking regions it still feels fresh and international without being unfamiliar and has a cosmopolitan, international air. It debuted on the US Top 1000 in 2016.
 Jason Bateman chose it as the middle name of his daughter Maple. In one of Lewis Carroll's lesser known novels, Sylvie and Bruno, Lady Sylvie is the princess of Fairyland.

Sylvie

Tesla, the surname of Serbian inventor Nikola Tesla that has more recently been used as the brand name for an electric car, is gaining some use as a first <a href="https://nameberry.com/girls-names">name for girls</a>. Exactly 100 girls were named Tesla in the U.S. last year. You might think of the name as a Tessa/Isla hybrid, though with Tesla the s is not silent. There was also a rock band named Tesla.

Tesla

Thalia was one of the Three Graces in Greek mythology, and also the Muse of comedy and pastoral poetry, making this a Hellenic choice worthy of consideration. 
 In the Rick Riordan series Percy Jackson and the Olympians, Thalia Grace is the demigod daughter of Zeus. Thalia was also a character on Everwood.
 The single-named Mexican singer Thalia was born Ariadne Thalia Sodi Miranda.
 Thalia had a one-off appearance on the list in 1932 and then reentered the US Top 1000 in 1992, reaching its height of Number 363 in 1993.

Thalia

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.

Thisbe

In an epic poem, the personification of truth, beauty, and unity; this ancient name is popular in several European countries but less common in the US. The Oona spelling is slightly more popular but Una sleeker.

zsazsa711's list "Girl names that are rare but usable" of 26 great name ideas: Anthea - Una!