This gentle Scandinavian name, soft and sensitive, is being discovered in a major way by parents in the US. It's most closely identified with the nineteenth century philosopher Soren Kierkegaard, but there have been modern fictional Sorens as well, in The Matrix Reloaded and the book series Guardians of Ga'Hoole, Charlie and Lola, and Underworld.

Long popular in Ireland and England, Kieran, the name of Ireland's first-born saint and twenty-five other saints, has been building its U.S. fan base thanks to its strong and attractive sound, and its fashionable Irish brogue. While Ciaran is the more authentic Irish spelling, Kieran is more popular this side of the Atlantic.

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.

Avery is a hugely popular name in the US, especially for girls. But while nearly four times as many girls as boys are named Avery today Avery's popularity is starting to soften for girls while it continues to strengthen for boys.

A modern, multifaceted name, Sage is short, sweet, and strong. A unisex possibility, it is also a virtuous word name associated with wisdom, and a nature name linked to a fragrant herb.

As Meghan/Megan and Reagan/Regan show signs of wilting, along comes Teagan to take up the slack: definitely one to consider. The vast majority of American babies named Teagan are now girls. A variant spelling is Teaghan.

One of the many variations of Silvanus, the name of the Roman forest god, and a little-used member of the freshly stylish Sylv- family of names. Silvan is the sleek German and Dutch form. Given to less than 100 boys each year in the US, it's nevertheless in the Nameberry Top 500.

Monroe is a presidential name which, thanks to the immortal beauty of Marilyn Monroe, is catching on fast for baby girls. Mariah Carey and Nick Cannon chose it for their twin daughter, honoring Marilyn Monroe. Their use of Monroe as a girls’ name did much to revive this Old Man name, a la Sydney, as a newly fashionable choice for girls.

This Scottish place name and surname was more popular for boys in the US until the mid-1940s; in the UK, the Leslie spelling is predominantly masculine, with Lesley widely used as the feminine variant. Now ranking in the mid-400s for girls and not at all for boys in the US, it could be time to bring this smart, subtle nature name back, especially considering the current popularity of -ley names for both sexes.

This attractive surname name still projects that Kennedy family charisma. While it didn't come into widespread use until long after the deaths of martyred heroes President John F. or Senator Robert Kennedy, Kennedy is now one of the most popular unisex names for girls as well as the top girls' name starting with K. This is one name that manages to sound trendy and classic at the same time.

Extremely amiable, open-sounding surname that's gradually being taken over by the girls.

Piper's rising popularity for girls makes it an unlikely masculine choice.

A strong, straightforward Irish unisex surname, with a merry glint in its eye, Reagan has been leaping up the popularity lists, to become one of the top girl names starting with R. Some will inevitably link it to President Ronald, but spell it Regan and it's a Shakespearean name: a daughter of King Lear.

A lean and lanky Irish cowboy name with great nickname potential to boot (Cass or Sid are both options). This is one of the great under-rated American names!

You can ride one, you can use it as a baby name – or, as is often the case, both! Harley is currently trending up for girls and down for boys in the US, although it remains predominantly masculine in the UK. A lesser-used -ley ending choice for boys, Harley has a current sound but an old-school biker appeal.

Phoenix is a New Age name symbolizing rebirth and immortality. It's also a place name, a color name, a mythological name, AND an animal name, combining several of today's hottest trends in one appealing package.

The "Believe It or Not" jokes will get old fast, but this surname feels fun and on-trend for both girls and boys, reminiscent of Riley, Tripp, Bridger, and Oakley.

Haven is a recently invented safe-harbor name that appeals to an increasing number of parents who don't want to voyage quite as far as Heaven.

This name of the ten-year-old boy in the much loved and acclaimed modern classic To Kill a Mockingbird could find favor along with that of the character's sister, Scout.

A growing number of high-profile (and other) parents are choosing to honor their musical idols, such as Hendrix, Presley, Jagger, and now Lennon.