Has a bit of a trade name feel, as in failed cable service.

Adelphia

In Greek mythology, Adrastea (or Adrasteia) was a nymph who helped raise the infant Zeus. It was also sometimes used as an alternate name for several other goddesses, and is the name of one of the moons of Jupiter. While many Ancient Greek names have already become quite popular -- Penelope was Number 27 in the U.S. in 2016 -- Adrastea remains almost completely undiscovered. It would be an intriguing alternative to Adrian, Adriana and even the whole Adeline/Adelaide family.

Adrastea

Alethea, the name of the Greek goddess of truth, came into fashion in England in the 16th century, in tandem with the virtue names. Alethea may find new favor now as one of the <a href="https://nameberry.com/list/433/goddess-baby-names">goddess names</a> stylish for baby girls.

Alethea

Aletheia

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

Amadea

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.

Amaranta

Amarantha is a rare botanical name whose mythical equivalent was believed to be immortal.  The Italian and Spanish form is the somewhat-more-acccessible Amaranta.

Amarantha

If you love both <a href="https://nameberry.com/list/317/unique-baby-names">unique baby names</a> and flower names for girls, Amaryllis might be a perfect choice for you. 

A showier flower name than Lily, but in the same botanical family, Amaryllis is not as outre as it might at first sound. It was used in Greek poetry as the appellation of pure pastoral beauties; Amaryllis is the heroine of Virgil's epic poem Ecologues, after whom the flower was named. 

Other references are characters in the George Bernard Shaw play Back to Methuselah and The Music Man. James Bond-creator Ian Fleming had a half sister named Amaryllis Marie-Louise Fleming, who was a noted British cellist.

Amaryllis

An attractive enough name, but for die-hard Star Wars fans only.

Amidala

One of the stellar unique baby names from mythology, Andromeda was the beautiful daughter of Cassiopeia who, like her mother, literally became a star--the constellation that bears her name.The Bohemian Andromeda makes a dramatic and adventurous choice in a time when four-syllable mythological names are gradually making their way into the mainstream.
 Andromeda Tonks (nee Black), is a Harry Potter character
 Cousin name Andromache belonged to the tragic wife of the Trojan Hector, appeared in Shakespeare's Troilus and Cressida and was the subject of plays by Euripedes and Racine.

Andromeda

Araluen is a beautiful Aboriginal Australian place name, used in several sites, always connected to the dainty water lily. 
In terms of sound Araluen offers it all - the "Ara" beginning made popular by Arabella, the spunky "Lu" sound in the middle, giving rise to great nicknames like "Lulu," and the final "en" sound which makes it fit right in with all those Viviens and Adriennes in the school yard.
Araluen is a great choice for parents looking for a fresh sounding nature-based girls name that isn't too frilly or too masculine.

Araluen

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.

Artemisia

Aetheria

Alastria

Amarantia

Calandrea

Calliope is the name of the muse of epic poetry -- and also the musical instrument on the merry-go-round. Bold and creative, it would not be the easiest name for a girl lacking such qualities. It debuted in the US Top 1000 in 2016. While Americans usually pronounce this name with a long I sound and the emphasis on the second syllables, Greeks pronounce it with the emphasis on the third syllable -- ka-lee-OH-pee.


Calliope

Calpurnia is a name with a massive history. As the third and final wife of Julius Caesar, Calpurnia has been forever depicted in literature (Shakespeare) and film (Cleopatra; Rome) as a modest and sweet woman, utterly devoted to Caesar. She is said to have foretold his death and to have tried (and failed) to have warned him of the treachery of his trusted allies. Following Caesar's assassination, Calpurnia never remarried.
 Calpurnia is also familiar to us from Harper Lee's To Kill a Mockingbird as the housekeeper at the Finch household.

Calpurnia

Celestia is a heavenly name that sounds more ethereal than Celeste, Celestia might make a distinctive, feminine choice if your taste runs toward names like Angelina and Seraphina.
 Celestia was more popular than you might think in the late nineteenth century -- it made the popularity list six times in the 1880s. Celestia was the middle name of Caroline (Carrie) Ingalls in "Little House on the Prairie."

Celestia

Delphinia

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.
 You may be surprised to know that Demetria was on the Top 1000 list from 1964 to 1993, reaching as high as 479 in 1974.

Demetria

Dorothea is a flowing and romantic Victorian-sounding name which was popular in the early decades of the twentieth century, but has been off the charts since 1970. Definitely on the brink of a revival!
 Dorothea has had a long literary tradition, including as a clever, beautiful character in Don Quixote and the idealistic heroine of George Eliot's Middlemarch.
 Worthy namesakes include Dorothea Dix, nineteenth century activist for the mentally ill and Civil War nurse, and the influential documentary photographer Dorothea Lange, known for her moving portraits taken during the Great Depression.
 Appealing nickname possibilities include Dorrie, Doro, Dodie, Dot, Dottie and Thea.

Dorothea

Less known than other Cornish beauties like Demelza, Elowen and Kerensa, Elestren is a pretty Cornish botanical name ripe for wider usage.

Elestren

As Elodie filters into the mainstream, parents may turn to the rarer Spanish form Elodia as an alternative.

Elodia

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 <a href="https://nameberry.com/list/673/middle-names">middle names</a> for his fourth child, a baby girl.
 
The Latinized form of the name is Endelienta.

Endellion

Evangeline is a romantic old name enjoying a major comeback, thanks to its religious overtones, Eva's popularity, and the star of the TV megahit Lost, Evangeline Lilly. Evangelia and Evangelina — two variants of Evangeline — are sure to tag along for the ride.

 Evangeline was introduced to the English-speaking world by Longfellow in his hugely popular eponymous narrative poem, and can also be found in Uncle Tom's Cabin (it was Little Eva's full name), as well as two novels by Evelyn Waugh. More recently, there were Evangelines in the films Nanny McPhee and Disney's The Princess and the Frog.

Evangeline

Eretria

Eritrea

Erytheia

This name's meaning derives from the material from which the mythical sculptor Pygmalion chiselled his ideal woman - she was carved from ivory. Pygmalion fell in love with his creation and Aphrodite, taking pity on him, brought the sculpture to life. The woman was named Galatea due to her incredibly pale skin. The Pygmalion myth was the inspiration behind the story of "My Fair Lady" starring Julie Andrews on stage and Audrey Hepburn on screen.

Galatea

Like the masculine form Galileo, Galilea is a variant of Galilee, a region in Northern Israel of great Biblical significance. Given the current popularity of soft Italian <a href="https://nameberry.com/girls-names">girls’ names</a>, this name’s long historical roots, its beautiful sound and the potential for cute nicknames (Leia, Lil, Ally, etc) it’s no surprise that this name has been on the rise in recent years.

Galilea

A pretty, if unusual choice for a summer baby, particularly a girl with an ancestor named Ida. An epithet of the goddess Aphrodite, Idalia is derived from the Greek place name Idalion.
 
Idalia is currently attracting more attention after being featured in the Netflix series From Scratch.

Idalia

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.
 
Illyria also plays a role in literature, both as a place-name and a character name. Shakespeare set his play Twelfth Night in a fictionalized Illyria. More recently, Joss Whedon created a (female) character named Illyria, a powerful "Old One", for his show Angel. And there's a (male) Illyrio in Game of Thrones.
 
Although Illyria sounds like the Italian Ilaria, which means cheerful, it has a different root.

Illyria

Ilidaria

Leocadia marries a mix of sounds: the strength of a lion, with a rhythmic Latin ending. 
 St. Leocadia was an early martyred Spanish saint, and "La Leocadia" is a famous Goya painting of Leocadia Weiss, the artist's maid and caretaker.

Leocadia

Nymeria

Octavia began as the Latin, then Victorian name for an eighth child. While there aren't many eighth children anymore, this ancient Roman name has real possibilities as a substitute for the overused Olivia; recommended for its combination of classical and musical overtones. It was chosen for his daughter by Kevin Sorbo. 
 Octavia has a rich history and literary pedigree. Commonly used in the Roman Imperial family, one first century BC Octavia was the daughter of Claudius, sister of the Emperor Augustus and the second, pre-Cleopatra, wife of Mark Antony (she appears in Shakespeare's Antony and Cleopatra), while another ancient Octavia was the teenage wife of Nero. The British civic reformer Octavia Hill actually was an eighth daughter.
 The name came into the spotlight recently via Octavia Spencer, who won a Best Supporting Actress Oscar for her strong performance in The Help. And Octavia is part of Cinna's prep team for Katniss Everdeen during the 74th and 75th Hunger Games.
 Octavia is also a First Daughter name as the child of President Zachary Taylor.

Octavia

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.'

Orinthia

Persephone is the esoteric name of the Greek mythological daughter of Zeus by Demeter, the queen of the harvest. After she was kidnapped by Hades to be Queen of the Underworld, it was decreed by Zeus that she would spend six months of the year with her mother, allowing crops to grow, and six in mourning, thus accounting for the seasons.
 Despite the mixed message of her mythological past, Persephone has a light and lyrical aura, and pleasant associations with springtime and the harvest; she was also goddess of spring growth. Persephone was seen in the Matrix movies, played by Monica Bellucci, and could make an interesting replacement for the overused Stephanie.
 Persephone's meaning is in dispute: While some sources give it as the worrisome "bringing death," others indicate that's it's associated with dark blue and with speaking. Persephone was called Kore in childhood; in Roman mythology, she is Proserpina.
 Persephone is popular on Nameberry, ranking in the Top 100.

Persephone

Seraphina is one of the most-searched name on Nameberry, destined for even greater popularity. The highest-ranking angels, the six-winged seraphim, inspired the lovely name Seraphina, which was brought into the contemporary spotlight when chosen by high-profile parents Jennifer Garner and Ben Affleck for their second daughter, following the influential choice of Violet for their first.
 Latinate version Serafina is also getting some attention; the name is enjoying a style revival thanks to the current taste for strong, old-fashioned, yet elaborately <a href="https://nameberry.com/girls-names">feminine names</a>. Seraphina has much in common with top choices Isabella, Sophia, and Olivia, and we predict it could be within the U.S. Top 100 in the next decade.
 A variation, Seraphita, is the eponymous heroine of a Balzac novel.
 For now, Seraphina remains a beautiful, distinctive choice. Other name ideas if you like Seraphina: Raphaela, Angelica, Serena, and Sabrina.

Seraphina

Elaborate, super-feminine form of Sylvie/Sylvia.

Sylviana

Theodora is one of the most revival-worthy of the charmingly old-fashioned Victorian valentine names, softly evocative but still substantial, as is the reversed-syllable Dorothea. 
 
The name Theodora was borne by several saints and by the beautiful ninth wife of the Emperor Justinian, who became the power behind his throne. A later royal was Princess Theodora of Greece and Denmark, the older sister of the late Prince Philip, Duke of Edinburgh. 

 Keith Richards named his daughter Theodora (with whom he recently collaborated on a best-selling children's book) in 1985; Robbie Williams did the same just last year. In TV's Grey's Anatomy Dr. Theodora "Teddy" Altman was a surgeon.

 Theodora offers a menu of neat nicknames, from the classic Teddy to trendy Thea to the vintage Dora. Theodora also has some cool international variations as well: Theodosia, Feodora and Teodora. It reentered the US Top 1000 in 2019 for the first time in over 60 years and seems destined to follow brother name Theodore toward the top of the list.

Theodora

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.

Theodosia

Veridian is a variation on Viridiana or Viridis, meaning green. Veridian is also the name of an American aeronautical company, so we recommend you stick with the alternatives.

Veridian

Will have spicy associations for the older generation via author of the 1972 bestseller, The Happy Hooker.

Xaviera

Zerynthia is one of the alternate names of Hecate, deriving from one of the caves in which she appeared. Zerynthia is also the name of a set of strikingly-coloured Spanish butterflies. This is one name that deserves more attention.

Zerynthia

bluedanube's list "Girl names - 4 syllable firsts" of 46 great name ideas: Adelphia - Zerynthia!

Girl names - 4 syllable firsts

An eclectic list of 4 syllable names that I like, from mythology, sci-fi/fantasy, and international sources.