Since our last major update, Skylar, Claire, Brooklyn and Savannah have all dropped out of the Top 50. And for the first time since 2014, there is a new name at No. 1.
Let's start our countdown with No. 50.
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Bella has been in and around the Top 50 since 2009 — the same year Kristen Stewart debuted, opposite Robert Pattinson, as the vampire-loving Bella Swan in the first "Twilight" movie.
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Audrey Pence embraces her father, Vice President Mike Pence, at the 2017 presidential inauguration ceremony in Washington, D.C. The name Audrey has been a Top 50 baby girl name since 2011.
This is a new entry to the top 50. Lucy has been making its move up the charts for decades now. From 2000 to 2003, the same time Lucy Liu was emerging as a box-office star via the Charlie's Angels movies and "Kill Bill: Vol. 1," the name jumped 100 spots, from 323rd place to 220th.
Fun fact: Lucy became slightly less popular during the original run of "I Love Lucy," going from 216th place in 1951 to 227th place in 1957. The name's popularity continued to fall, reaching a low of 588th place in 1978, as Lucy Van Pelt, the crabby "Peanuts" character, came to pop-culture prominence.
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This name shot up after "Grey's Anatomy" introduced the character Dr. Addison Montgomery (played by Kate Walsh) in 2005. It rose as high as 11th place in 2010.
This is another new entry to the top 50. In 2000, the year Will Smith and Jada Pinkett Smith welcomed baby daughter Willow, the name was barely holding onto a spot in the Top 800. Now, the name is a star, right alongside singer Willow Smith.
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In the mid-2000s, the profile of this baby name rose along with that of Danity Kane's Aubrey O'Day. The name reached 15th place in the 2012 rankings, but has been cooling off ever since.
Leah seems to owe its current success more to one of Jon and Kate Gosselin's sextuplets, pictured, than to Carrie Fisher's galactic princess, Leia.
The year after "Jon & Kate Plus 8" premiered in 2007, the name Leah moved into the Top 50 for the first time. (The variation Leia was the 333rd most popular baby girl name in 2019.)
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This isn't a fast-rising baby girl name; it's an extremely fast-rising baby girl name. In 2012, Everly ranked 902nd. Then, in 2013, Channing Tatum and then-wife Jenna Dewan welcomed daughter Everly. The name's been zooming up the charts ever since. 2019 marked Everly's first appearance in the Top 50. Dewan is pictured here with her Everly in 2018.
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A top 1,000 name of the first half of the 20th century, Emilia reemerged in the 1990s and has been climbing ever since. Since 2011, when actress Emilia Clarke became a star via "Game of Thrones," the name has surged from 325th place to its first-ever appearance in the top 50.
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Natalie cracked the nationwide top 200 for the first time in 1962, the same year 23-year-old Natalie Wood vied for her first Best Actress Oscar. The name kept right on climbing, reaching as high as 13th place in 2008.
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Aurora cracked the nationwide Top 50 in 2017. The name surged following the release of the 2014 Disney hit "Maleficent," costarring Elle Fanning as Princess Aurora.
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Stella is now more fashionable than it was during its prior heyday of the early 1900s.
This favorite of the early 20th century has become a favorite of the early 21st, too — and was used as the name of the best friend, Lillian "Lilly" Truscott (played by Emily Osment, pictured at left), on Disney's "Hannah Montana."
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Actress-singer Christina Milian is seen with daughter Violet in 2018.
Ellie Kemper, the actress, has been a star since her debut on "The Office" in 2009; Ellie, the baby name, has been a rising star since the 1990s. The name's 2019 showing was its best yet in the Social Security Administration's rankings.
Famous modern-day Lilys include "Cinderella" actress Lily James (pictured) and Lily Collins, of Netflix's "Emily in Paris."
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"The Fault in Our Stars," starring Shailene Woodley as heroine Hazel Lancaster, helped give new life to the name Hazel. 2019 marked the name's best showing on the popularity charts since 1920.
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While "Hannah Montana" was in step with the rebirth of Lilian, it was out of step with the trajectory of Hannah, which peaked in popularity as a baby girl name in 1998 to 2000, prior to the debut of the Miley Cyrus sitcom.
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Zoey is a relative newcomer to the ranks of popular baby girl names. It cracked the top 100 for the first time in 2008, amid the run of the tween sitcom, "Zoey 101," starring Jamie Lynn Spears.
Golden State Warriors basketball star Stephen Curry is seen with his daughter, Riley, in 2015, the same year Riley debuted in the top 35 popularity rankings of girls' names. (Riley currently stands in 263rd place among boy names.)
Model Nora Ponse wears the name well in 2019. As a baby name, Nora is now more popular than it was 100 years ago.
While Grace didn't get a baby-name bump from actress Grace Kelly's 1956-1982 reign as princess of Monaco, it did move into the top 50 after the 1998 premiere of "Will & Grace," starring Debra Messing as designer Grace Adler.
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This name, returned to the pop-culture discussion via Kristen Bell's character on the comedy "The Good Place," is now roughly as popular as it was in the 1910s and 1920s.
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This name, which surfaced as a popular girl name after 1984's "Splash" introduced audiences to Daryl Hannah's Madison the mermaid, is cooling after a run in the Social Security Administration's top 10 from 1998-2014.
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This classic hasn't been out of the top 50 since 1986, a few years after the popular CBS soap, "The Young and the Restless," introduced the character Victoria Newman (played of late by Amelia Heinle, pictured).
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Even with the "Keeping Up With the Kardashians" connection, it's Chloe with a "C," as in actress Chloë Grace Moretz (pictured), that's the more popular variation over Khloe with a "K" (137th place), as in Khloe Kardashian.
Derek and the Dominos' "Layla" may have been the prime driver behind this baby girl name. The song first became a hit in the early 1970s, and then again in the 1990s when Eric Clapton played it during his "Unplugged" concert. For the past decade, it's been hovering around 30th place.
In 2019, it made its big move into the top 25.
Penelope soared in popularity as a baby girl name in 2001 with the emergence of Penelope Cruz as the then-costar, on screen and off, of Tom Cruise.
Since Scarlett Johansson debuted as the Marvel Cinematic Universe's Natasha Romanoff in 2010's "Iron Man 2," the name Scarlett has zoomed from 115th place among popular baby girl names to the top 25. (Scarlet with one "t" was the 378th-most popular baby girl name in 2019.)
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As recently as 2010, Aria and its variation Arya weren't close to residing among the top 200 baby girl names. Then came the TV versions of "Pretty Little Liars," featuring Lucy Hale's Aria Montgomery (pictured, left), and "Game of Thrones," featuring Maisie Williams as Arya Stark (pictured, right).
In 2019, Aria slipped down one spot, from its all-time highest ranking. Arya, meanwhile, rose to 92nd place — its personal best.
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Mila debuted in the top 1,000 in 2006, the same year Mila Kunis graduated from "That '70s Show" having established herself — and her name — as a star.
Long a popular boy name, Avery broke out as a baby girl name in 1989, the same year TV's "Murphy Brown" introduced Colleen Dewhurst (pictured, right) as the maternal force of nature, Avery Brown.
This name established itself as a rising star of the 2000s, even before Sofia Vergara came to fame on "Modern Family." It ranked in 17th place in 2018, too.
This baby girl name is hot and getting hotter; it's up from 23rd place in the 2018 rankings. Singer John Legend is seen in 2019 with his daughter, Luna.
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Singer Camila Cabello was born in 1997, the same year this fast-rising name first cracked the Social Security Administration's top 1,000.
Since 1900, Elizabeth has failed to qualify as a top 25 most popular girl name only twice. Since England's Queen Elizabeth II began her reign on the worldwide stage in 1953, it's never dipped lower than 22nd place.
In 2019, singer Ella Mae was named Top R&B Artist at the Billboard Music Awards — and the name Ella rose to new heights in the Social Security Administration's popularity rankings.
Model Emily Ratajkowski was born in 1991, the same year Emily became a top 10 baby girl name, en route to a run as the most popular baby girl name from 1996 to 2007. It ranked in 12th place in 2018, too.
Democratic Senator Amy Klobuchar's daughter Abigail Bessler (pictured, left) was born in 1995, just as her name was trending upward. Abigail peaked as a baby girl name in 2005, the Social Security Administration says. It maintains its position from the 2018 rankings.
"Basketball Wives" reality star Evelyn Lozada is seen in 2019. Per Social Security Administration data, Evelyn was the 10th-most popular baby girl name in both 2018 and 2019.
Before "Two and a Half Men," featuring the antics of the Harper clan, premiered in 2003, Harper wasn't a top-1,000 name for either boys or girls. After the show became a hit, Harper bubbled up as a baby boy name — and rode a rocket to the top 10 as a girl name. In 2019, it was the most popular name for baby girls in Vermont.
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In 2000, a year after soccer star Mia Hamm helped lead the U.S. team to a Women's World Cup championship, Mia cracked the top 100 baby-girl-name popularity rankings for the first time — and hasn't looked back since.
This is Amelia's highest-ever showing on the Social Security Administration's rankings. The baby girl name has been a fixture in the top 50 since 2010, the year Shondaland character Dr. Amelia Shepherd (played on "Private Practice" and "Grey's Anatomy" by Caterina Scorsone) made her debut.
Princess Charlotte's parents, Prince William and the former Kate Middleton, are on the same wavelength as Americans when it comes to this name. In the United States, the name has never been more popular. Charlotte finished in sixth place in the Social Security Administration's rankings in 2018 and 2019.
Now a top 10 fixture, Isabella slipped out of the top 1,000 in 1949. It didn't return until 1990, a year after the NBC soap opera "Days of Our Lives" introduced a new heroine, one Isabella Toscano (played by Staci Greason).
Former "Teen Mom" star Farrah Abraham is seen with her daughter, Sophia, in 2020. The name Sophia has been a top 50 baby girl name nationwide since 2000. It's the most popular name for baby girls in Nevada in the most recent Social Security Administration rankings.
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A trendy baby girl name in Hollywood circles, as Richie Sambora and Heather Locklear's Ava Sambora (left) and Ryan Phillippe and Reese Witherspoon's Ava Phillippe (right) can attest, Ava has been among the nation's five most popular baby girl names since 2006. It has held the No. 3 spot on the popularity charts for four straight years, from 2016 to 2019.
After a five-year run in the No. 1 spot, Emma dips to No. 2 in the latest Social Security Administration rankings. It also goes from the most popular baby girl name in 15 states in 2018, to the reigning name in nine states in 2019.
But don't feel too bad for Emma. The name is a perennially popular pick, and has been in overdrive since 2002, a year after actress Emma Watson emerged via the first Harry Potter movie.
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And we have a new queen! After cracking the top 10 in 2001, two years after Mariska Hargitay debuted as Olivia Benson on NBC's "Law & Order: Special Victims Unit," Olivia has finally become the No. 1 most popular baby girl name in the U.S.
Olivia's coalition is broad and diverse. In 2019, it was the top name for baby girls in 24 states, from Arizona to Wisconsin and California to South Carolina. It was also tops in Washington, D.C.