Adeline has a lovely, old-fashioned "Sweet Adeline" charm, but has become so popular in the US under so many spellings and variations -- with Adalynn and Adalyn also popular -- that considered together it is far more popular than it first seems. Adorable nickname Addie is also pervasive. 
Adeline originated as a French diminutive of Adele, which came from the Germanic root adal, meaning "noble." Adeline was introduced to England by the Normans in the eleventh century, was very common during the Middle Ages, then vanished until the Victorian Gothic revival. Common variants of Adeline include Adalynn, Adalyn, Adelyn, Adelynn, Adelina, and Adaline.
 Adeline was introduced to England by the Normans in the eleventh century, was very common during the Middle Ages, then vanished until the Victorian Gothic revival.
 The song "Sweet Adeline" Is an old barbershop quartet favorite. JFK's grandfather John F. Fitzgerald, mayor of Boston, made it his theme song, and Mickey Mouse serenaded Minnie with it in a 1929 cartoon.
 Pronounced ad-a-line in America, it's usually ad-a-LEEN in France.

Adeline

Alena is a modern variant of Helen.   Alena might also be a spelling twist on the Slavic Alina or a long form of Lena.

Alena

This variation of Ariel, with the extra-feminine suffix, has been on the rise in recent years and has now surpassed the original. The similarity to the name of the Little Mermaid gives Ariella a princessy flair. 

Ariella entered the charts in 2008, and has now risen into the Top 200. The cute nickname Ari is on trend as seen with the popularity of Ariana and Arianna, as are any girl names ending in "-ella", making Ariella a natural hit. Arabella is another name with the best of both of these trends. 

Ariella

Aviana is a name that's kinda like the megapopular Ava, and kinda like the popular Ariana, and not quite as widely appealing as either of them.  But it's on everyone's scope now as the choice of actress Amy Adams for her new daughter -- ironic as she was quoted as saying she wanted a "normal" name. Turns out that Adams was born in Aviano, Italy, explaining the mystery. The first syllable of the name can be pronounced ah, ay, or (most commonly) to rhyme with have.

Aviana

Eden is an attractive, serene name with obvious intimations of Paradise, one of several place names drawn from the Bible by the Puritans in the seventeenth century.
 Eden entered the Top 1000 in 1989, and got a real bump in visibility when Desperate Housewives' Marcia Cross used it for one of her twin girls. There have been also Edens on the old soap opera Santa Barbara and the shows Heroes and Extras.
 Pronounced ED-en, Eden is also a Hebrew name for boys, though as EE-den it's gaining ground in the US for boys, now given to one boy for every four girls.

Eden

Both Elaine and Elena are on an upward trajectory, which means that Elaina, a combination of the two, is popular too.

Whichever way to spell it, this traditional variation of the classic Helen is appealing and has a lovely meaning. Another variation on the way up: Alayna.

Short form Lainey is popular in its own right, but can also work as a nickname.

Elaina

Elara, a lover of Zeus who gave birth to a giant son (ouch); it's also the lovely name of one of the moons of Jupiter. 

Elara

In the past few years Ellery has gone from middle-aged male detective to a plausible girls' name, a la Hillary.


Ellery

The lyrical and melodious Elodie, a Nameberry favorite, is starting to rise through the US popularity charts for the first time since the 1880s. It's a uncommon member of the trending El- family of names, which includes Ella, Eloise, and Eleanor. 
 
Elodie derives from Elodia, the Spanish variation of Alodia, a gothic German name associated with Saint Alodia. Saint Alodia was a child martyr in 9th century Spain, along with her sister Nunilo. In France, Elodie is spelled Élodie, with an accent over the E.
 
Élodie is a mono-named Italian singer and model as well as a major character in the Emile Zola novel The Earth. Princess Elodie is the protagonist of the video game Long Live The Queen and there was a character on The Hills named Elodie.
 Popular in the UK and French-speaking countries, Elodie could make an original honor name for Aunt Melody.

Elodie

Jean Harlow (born Harlean Carpenter), the original platinum blonde bombshell, was a symbol of 1930s glamour, a factor that first Patricia Arquette and then Nicole Richie and Joel Madden probably had in mind when they gave their daughters the distinctive surname name Harlow. 
 It hit the Top 1000 for the first time in 2009, one year after the arrival of Ms. Madden. Harlow would fit right in with contemporaries Arlo and Marlow(e).

Harlow

Iris has so much going for it. It's a fashionable flower name. It's a mythological name, from the Greek goddess of the rainbow. And it's a classic name, always ranking in the girls' Top 1000 but now at its highest point ever.
 
Iris is directly derived from the Greek word iris, meaning "rainbow." In Greek mythology, rainbow goddess Iris was a messenger for Zeus and Hera who rode the rainbow as a multicolored bridge from heaven to earth. 
 The botanical iris also carries evocative symbols. In ancient times, the Iris was considered a symbol of power and majesty, the three petal segments representing faith, wisdom and valor. This image led to the naming of the colored part of the eye.
In the contemporary world, Iris has amazing international versatility, ranking highly throughout the English-speaking world as well as in a diverse range of countries from Spain to Slovenia, France to Sweden.
 Part of Iris's rise is due to its celebrity power: Jude Law and Sadie Frost, Judd Apatow and Leslie Mann, and Renee O'Connor all chose Iris for their daughters.
 A notable modern bearer was the prolific British novelist Iris Murdoch. Frequently seen on screen, characters called Iris have been played by Jodie Foster, Jane Fonda and Kate Winslet, and Iris Chase is the narrator in the Margaret Atwood novel The Blind Assassin.

Iris

No, we don't consider Jane too plain. In fact, for a venerable and short one-syllable name, we think it packs a surprising amount of punch, as compared to the related Jean and Joan.
 A very old name, Jane has been around since Tudor times, in this country moving in and out of fashion. Jane was once so common that it became generic—as in Jane Doe and G.I. Jane—then spent a considerable time as the back end of such smooshes as Maryjane, Bettyjane, and Sarajane.
 We think it's time for a fresh look at Jane—and not only in the middle place. Just think of all the awesome Janes of the past, both real and fictive—from Austen to Addams to Eyre to Fonda. 
 Jimmy Kimmel recently named his baby girl Jane.

Jane

Strong but sweet, Leah is a classic name that doesn’t feel dull or dusty. It’s got plenty of dignity, grace, and pluck, making it a solid choice in the 21st century.
Leah was most likely derived from the Hebrew word le’ah, meaning “weary,” though it could also be inspired by the Akkadian word littu meaning “cow.” 
While these meanings might not appeal to everyone, the Biblical namesake, Leah, is considered an important matriarch in The Old Testament. A mother of 7 children and the ill-favored wife of Jacob, Leah teaches resilience, compassion, hope, and faithfulness. 
Beyond the Biblical narrative, weariness can be associated with having worked hard, and cows can be seen as symbols of abundance and nourishment. Besides, <a href=“https://nameberry.com/list/415/baby-names-with-animal-meanings”> names with animal meanings</a> are in at the moment. 
For the last two decades now, Leah has been gaining a considerable following, outranking former Old Testament favorites, such as Sarah, Rebecca, and Rachel. Given to over 4000 girls every year, short but substantial Leah strikes the balance between the likes of Amelia and Eliana and those such as Mia and Lily. 
Actress Leah Remini, footballer Leah Williamson, and playwright Leah Purcell are current bearers of the name, while in pop culture, Stephanie Meyer’s Twilight, the TV shows “Supernatural” and “Grey’s Anatomy,” and Barbara Kingsolver’s novel The Poisonwood Bible all feature fictional Leahs. 
Loved in the US and across the pond in Sweden, Norway, and Ireland alike, Leah looks set to remain as a 21st century classic for a while yet. 
With that in mind, if you love Leah but were looking for something that’s not such a staple, you could consider another Biblical name, such as Dinah, Lois, Keziah, or Zillah, or perhaps just something similar in sound, like Leia, Lyra, or Celia.

Leah

Paige is more name, and less word than the occupational Page. Paige is also sleek and sophisticated a la Brooke and Blair and reached as high as Number 47 in 2003, when there was a very popular television show, Trading Spaces, hosted by the energetic Paige Davis.
 Paige Matthews was a witch played by Rose McGowan in Charmed; Paige McCullers appears on Pretty Little Liars. Back in the day, Nicollette Sheridan played a character named Paige Matheson on nighttime soap Knots Landing.
 Paige Rense was the long-time editor of Architectural Digest magazine.

Paige

Scarlett Johansson is doing more for this sparky southern name than Scarlett O'Hara ever did. Since the turn of the 21st century, Scarlett has gone from an obscure literary name to one of the most popular <a href="https://nameberry.com/search/girls-names/s">girls' names starting with S</a>, right after longtime favorites Sophia and Sofia.F
Scarlett originated as an occupational surname, denoting a person who sold scarlet, a luxury wool cloth produced in Medieval Europe. The word is thought to derive from the Arabic siklāt, referring to silks dyed with kermes. The fanciest, favorite color was scarlet red.
 
 Sylvester Stallone's third 'S' daughter, following Sophia and Sistine, is Scarlet (one 't', as in the color) and The White Stripes' Jack White and Karen Elson also have a Scarlett, as do Molly Sims and Rob Schneider. The Mick Jaggers were ahead of the curve when they chose Scarlett for the middle name of their daughter Elizabeth in 1984.
 In the Margaret Mitchell novel Gone With the Wind, Scarlett was the main character's grandmother's maiden name—she was actually named Katie O'Hara. The name entered the Top 1000 in 1940, a year after the movie of Gone With the Wind was released. Scarlett has continued its winning streak, and is now firmly in the Top 20.
 One of the leading characters on TV's Nashville was named Scarlett O'Connor.

Scarlett

Sienna has been a Top 100 choice in England & Wales since 2005, the year after Sienna Miller's acting breakthrough in the hit movies Alfie and Layer Cake. In the US, it also got a big boost in the early noughties, before dropping slightly then rebounding to reach an all-time high in 2022.

 Now the name Sienna has gotten maybe its biggest boost of all when it was announced as the name of the daughter of Princess Beatrice and Edoardo Mapelli Mozzi. The royal baby, born in 2021, is named Sienna Elizabeth. Cable newsperson Campbell Brown also chose Sienna for her daughter, as did Kevin James. 
 
The historic Tuscan city is spelled Siena, but the Sienna spelling is the one used recently by Princess Beatrice for her daughter. Sienna, also the spelling used by American-born English actress Miller, is more popular than Siena in the English-speaking world. 


 The city of Siena is said to have been founded by Senius and Aschius, two sons of Remus. The name of the city may derive from Senius, although other possibilities include Roman or Etruscan family names, a Gaulish tribe name, or a Latin root meaning "old". 

 The English color word "sienna" ultimately comes from the name of the iron-rich clay in the Italian city, brownish yellow when raw and reddish brown when burnt, making this a vibrant color name as well as a romantic place name.

Sienna

Newer, simpler forms of the Dutch surname Schuyler, stylish for both genders, are rising up the popularity list.  Skylar is the most popular variation for girls.  Skylar has been used by several celebs, including Sheena Easton and Joely Fisher. 

Skylar

This diminutive of Valeria has a strong and striking sound to match its meaning. It has also been used in Brazil in recent decades.

Valeska

Vanessa was invented by writer Jonathan Swift for a lover named Esther Vanhomrigh—he combined the first syllable of her last name with the initial syllable of her first. Swift used it in the poem Cadenus and Vanessa in 1713. A century later, Johan Christian Fabricius used Vanessa as the name of a genus of butterfly.
 
Vanessa was one of the ultra-feminine three-syllable hits of the eighties, but has proved to have had more staying power than others like Tiffany, Kimberly, and Melissa, due to its classic beauty.
 Vanessa Redgrave is the doyenne of the renowned Redgrave family; Vanessa Hudgens, the young actor and singer from High School Musical is a more youthful bearer. On TV there have been Vanessas on The Cosby Show, Gossip Girl and Vampire Diaries.

Vanessa

Vera was the height of fashion in 1910, then was for a long time difficult to picture embroidered on a baby blanket. Now, though, it has come back into style along with other old-fashioned simple names such as Ada and Iris. 
 Vera was barely known in the English-speaking world until it appeared in the 1860 novel by Ouida, Moths, and Vera Rostov is a character in War and Peace, published nine years later.
 Vern Yip has a young daughter called Vera, and Vera Wang and Vera Famiga have modernized it. Vera Lynn was an iconic British World War II singer, Vera Miles was a Hitchcock star best known for her role as Lila Crane in Psycho and Vera-Ellen (born without the hyphen) was a dancing partner of Fred Astaire and Gene Kelly.

Vera

Willa has become increasingly fashionable, with its combination of Willa (born Wilella) Cather-like pioneer strength and the graceful beauty of the willow tree. 
Sophie Turner and Joe Jonas are the latest celebrities to welcome a daughter named Willa. Other stars who used this name include actress Keri Russell, who named her daughter Willa Lou and the late actor Philip Seymour Hoffman, who used Willa for the youngest of his three children. David Mamet and Brian De Palma also have daughters named Willa, plus it's the middle name of Meryl Streep's actress daughter Mary (called Mamie.) Young Willa characters have appears on Six Feet Under and True Blood.
 Willa originated as a short form of Wilhelmina. After a half-century hiatus, it reentered the U.S. Top 1000 in 2010 and soared to the Top 500, for the first time since 1949, in 2015. Willa might also work as an honor name for an ancestral William.

Willa

Theblueeyeddreamer's list "Favorite Girl Names" of 21 great name ideas: Adeline - Willa!