Sadie started as a nickname for Sarah, but their images couldn't be more disparate. Where Sarah is serious and sweet, Sadie is full of sass and fun.

Quinn is one of the most popular Irish unisex surnames out there, a strong and attractive choice on the rise for girls but still popular for boys. A recent year saw it used for nearly 2690 girls along with 615 boys in the US, meaning its split 80:20 across the sexes.

Penelope is an unlikely 21st century baby name success story. Off the Top 1000 for 25 years, Penelope jumped back on in 2001 and has been heading uphill ever since, propelled by the trend for mythological names, Spanish actress Penelope Cruz, and some high-profile celebrity babies.

Stella is a name with star quality and sparkle, that manages to sound both ethereal and earthy. Celestial but not otherworldly, it lands somewhere between the popular Ella and bold Seraphina.

Poppy, unlike most floral names which are sweet and feminine, has a lot of spunk. Long popular throughout the rest of the English-speaking world, Poppy is finally starting to rise toward the top in the US, where it entered the Top 1000 for the first time in 2016.

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 17th century.

Evie was derived from the English Eve or the Latin Eva, which in turn come from Chawwah, a Hebrew name related to the concept of life. Evie can be used as a nickname for any name that starts with Ev-, including Eva, Evelyn, and Evangeline, but also for names such as Genevieve and Maeve. Evie is typically pronounced with a long E sound, but a short E is also valid.

An ancient tree that figures in literature from Shakespeare to Harry Potter and is believed to possess magical powers, Willow is a lovely name, as graceful as its inspiration.

Though greatly overshadowed by the trendy Olivia, Olive has a quiet, subtle appeal of its own -- and is now enjoying a remarkable comeback. Olive is one of only four girl names starting with O on the US Top 1000. Cool couple Isla Fisher and Sacha Baron Cohen chose it for their daughter, reviving the name to stylishness, and now Drew Barrymore has a little Olive too, as has country singer Jake Owen.

You might think of Harper as the hottest name of the last decade, jumping from obscurity to the Top 10, where it remained until last year.

A hot starbaby name – chosen by Kelly Ripa, Chris Rock, Lisa Bonet, Denise Richards and Charlie Sheen, Carnie Wilson, and Annie Lennox, and used as the nickname of Madonna's Lourdes – Lola manages to feel fun and sassy without going over the top. Be warned, though: "Whatever Lola wants, Lola gets," to quote a song from the show Damn Yankees.

Sloane is a sleek, sophisticated surname name that has gradually morphed over to the girls' side. With its distinctive and intriguing sound, Sloane has been in the US Top 1000 since 2009, and in 2022, it made its first appearance in the UK charts, jumping more than 400 places in a single year.

Sweet and stylish, with a sporty, energetic undertone, Everly is a name that ticks lots of boxes.

In the USA, Blair is gaining momentum, rising quickly for the last 10 years and likely to continue to climb. In England and Wales, where Blair has political connotations – calling to mind former prime minister Tony Blair – it is much less common, although it is in use for boys in its native Scotland.

Sage is an evocatively fragrant herbal name that also connotes wisdom, giving it a double advantage. It entered the Top 1000 at about the same time for both genders in the early 1990s, but it has pulled ahead for the girls. Toni Collette named her daughter Sage Florence.

A favorite in England and Wales, Darcy is a unisex option with delicacy, grace, and strength. Associated with classic literary and courtesy thanks to Jane Austen's hero, Mr. Darcy, and Bridget Jones's Mark Darcy, its image was partly transformed by English ballerina Darcey Bussell, who helped popularize it for girls.

Marlowe is very much in the air, with its lovely -o ending and the modern twist it offers on the likes of Margaret, Margot, Martha, and Marlene. But is it Marlowe, Marlow, or Marlo? Well, for a girl in the US at least, it's probably Marlowe, with this spelling the only one to appear in the Top 1000.

Georgia is so rich, lush and luscious, it's almost irresistible. Georgia's now a rising star among the feminizations of George, helped by associations with the southern state (named for British King George II) and painter Georgia O'Keeffe, with the Ray Charles song "Georgia On My Mind" or maybe "Sweet Georgia Brown" playing in the background.

This Old Testament name has been one of the most popular girls names in Israel over the last decade and is also a favorite in Spain, Portugal and the Netherlands. First appearing in the US charts back in the 2010s, it now sits in the Top 300, and while it may feel like an attempt to make Noah unisex, it is in fact a separate, feminine name.

Charlie is a friendly, boyish nickname name now used slightly more frequently for girls than boys, with over 2200 baby girls named Charlie last year versus about 2100 boys. That makes Charlie one of the most evenly-balanced and most popular unisex names around today.