Only 20-25 Babies in 2020 England and Wales

The image of the lovely Lady Sybil, tragic youngest daughter of the Crawley family on Downton Abbey is likely to go a long way towards reviving this almost forgotten name, off the list since 1966 and most popular in the 1920s and '30s.

Mavis, another word for the song thrush, is also a relative of the Welsh word for strawberries, mefus. Mavis has something of a British World War II feel, a friend of Beryl and Doris, but it was quite popular in the U.S. a couple of decades earlier, peaking in the Roaring Twenties.

It is popularly claimed that the name Wendy was invented by Sir James Barrie in 1904 for the big sister character in his play Peter Pan, which was followed by the classic novel in 1911. Barrie supposedly took it from the nickname "fwendy-wendy", that he was called by a young girl acquaintance.

The -en ending is the authentically female one and the traditional Cornish spelling, but more and more Americans are turning to the y as a feminizing element in the final syllable of this name. As such, the name begins to feel more in tune with the likes of Brooklyn or Evelyn while still maintaining its more magical qualities.

Cosima, the kind of elegant and unusual name the British upper classes love to use for their daughters, is given to a handful of baby girls in the US after being chosen by two high-profile celebs in the same month; cool couple Sofia Coppola and Thomas Mars as well as supermodel Claudia Schiffer. It was used earlier by celebrity chef Nigella Lawson, while the male form, Cosimo, was given to the son of Marissa Ribisi and Beck.

Fallon is one of several boyish surname names introduced in the over-the-top 1980s nighttime soap Dynasty. Despite being a "mom" name, Fallon is making a surprise comeback. It returned to the US Top 1000 in 2019 and has been rising since then, as a new generation of parents fall in love with the sound. It is especially popular in the Southern states.

Cosy and warm but with plenty of substance and strength, Tess is a literary diminutive that works perfectly well as a stand-alone name. Stylish in the Netherlands, it currently sits outside the Top 1000 in the US, where Tessa and Teresa are currently preferred.

Most of us had never heard this lovely Welsh name with links to the moon until we heard the 1976 smash hit Fleetwood Mac song of that name, with lyrics by Stevie Nicks. That same year it popped onto the U.S. Top 1000 at Number 593.

A sassy, spunky name for the bold parent who doesn't remember Mrs. Ed Norton on The Honeymooners or who's into the nicknames-as-given-names trend sweeping the UK and returning to the US.

Though Loretta has long ago lost its Latin flair, fashionable Sarah Jessica Parker's choice of it as the middle name of one of her twin daughters freshens it up a bit. It's one of several such names, like Anita and Rita that we can envision making a comeback.

Once the quintessential bouncy teenager name, Kelly helped launch the trend of unisex Irish names . But it now takes a backseat to more substantial surname names like Kennedy.

Magdalena is a pretty name forever associated with the fallen-yet-redeemed Mary Magdalen; often heard in the Hispanic community. But forward thinking parents are reviving Magdalena along with Magdalene and the unrelated but similar-sounding Marguerite.

Dusty first became popular as a girl's name thanks to singer Dusty Springfield - born Mary. She used her childhood nickname professionally, and many parents embraced Dusty as a name for their daughters, especially in the 1970s.

Flo is an antiquated nickname not often used these days, possibly because "Aunt Flo" is a euphemism for a period.

The quality of mercy makes this lovely Puritan virtue name a quiet favorite today. Although it was most popular in the late nineteenth century, Mercy is on its way to a comeback -- it rose 143 spots between 2012 and 2013, making it one of the year's fastest-rising names. Right now, it's still stylish and distinctive, a rare and wonderful combination.

Like Galilea and Livia, one of the Italian names that fashionable American parents—with or without Italian roots—have started to choose for their daughters. It has endured ups and downs since entering the popularity charts in 1991.

With the sounds of Jennifer and Alexis, and the vibes of Eden and Serenity, Genesis is a Biblical inspired choice that has been popular in the US since the 2000s.

This sassy, spunky name was used for the mostly Irish jump-roping pigtailed girls of the thirties and forties -- and some Irish and Italian boys as well. Its most noted bearer was iconic country music singer Patsy Cline (born Virginia), and was sighted most recently in the Ab Fab movie. After reaching Number 52 in the late thirties, it dropped off the list completely in 1970--and we're not anticipating a return.

This spelling variation of Crystal rose all the way up to #53 in the US in 1985.

Stacey is a feminine name (though also used for boys) with Greek origins, derived from Eustace, meaning 'fruitful' or 'productive.' Initially a diminutive of Anastasia, meaning 'resurrection,' Stacey emerged as an independent name in its own right. The name reached peak popularity in the United States during the 1970s and 1980s, becoming emblematic of that era. Stacey conveys a friendly, approachable quality while maintaining a certain spirited energy. While its usage has declined since its heyday, the name retains nostalgic appeal and continues to be appreciated for its pleasant sound and unpretentious charm. Various spelling variations exist, including Stacy and Stacie, each offering slight personalization while preserving the name's essential character.