Emerson is a dignified, somewhat serious name associated with transcendental thinker Ralph Waldo Emerson. Much more popular now for girls since Desperate Housewife Teri Hatcher used it for her daughter, it is definitely still a viable boys name.

The ultimate Jane Austen hero name, Darcy makes a handsome, surname style choice. Predominantly used for girls in England and Wales, across the pond in Australia, it is a stylish Top 100 name for boys. In the US meanwhile, it does lean feminine, however, 30 boys were given the name in a recent year, suggesting it is on the up across the board.

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.

Originally a surname deriving from the Roman twin Romulus, this attractive name was introduced to the English-speaking world as a first name by painter Augustus John who used it for his son. Romilly John became Admiral of the Fleet in England.

Renowned English author Evelyn Waugh pronounced his name "EEV-lin" (fun fact: his first wife, also named Evelyn, was referred to as "She-velyn"). But "EV-uh-lin" also works, and is probably the most familiar pronunciation of the name today.

This Biblical name was rising dramatically for boys, but has plateaued in recent years. Although it's more popular for girls in the US, it's a delightful unisex choice. Eden is one of the Top 100 Boy Names in France, closing in on the Top 10.

Once a popular choice in for boys in the Middle Ages and again during the 19th century, Aubrey has mostly been used for girls in the US since the 1970's. With its arty, surname-y, and sophisticated feel, however, it is rising up the UK charts for both boys and girls.

It may have peaked at #1 for girls in 1991 and 1992 in the US, but Ashley actually has a long history as a male given name, as evidenced by the sensitive Ashley Wilkes in Gone With the Wind. It's always been more popular for boys in England and Wales, where it currently ranks at #414.

One of the first generation of cool surname names, now largely used for girls in the US, but still popular for boys in its native Scotland. A prominent association for Brits is former prime minister Tony Blair, who was leader at the time of the Iraq War.

A predominantly male name in the US until the late 1950s, the name continued to rise for both sexes for both sexes for a further decade, before starting to decline for boys. Despite dropping out of the boys' Top 1000 in 2002, Kelly retains a rugged Irish charm.

Jocelyn has gotten new life and popularity as a result of the current passion for lyn endings. Though it was a male name in medieval times, now Jocelyn couldn't sound more softly feminine.

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.

As a boys' name, Angel has two distinct name personalities. One is as a perennial favorite Hispanic boys’ name, popular in the US along with Spain, Mexico, and South America.

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

Despite its distinguished pedigree and popularity in Israel, Disney's Little Mermaid cartoonized Ariel in the US, at least in some people's minds. But it was used for a male character in Shakespeare's The Tempest centuries ago.

This lively Scottish surname is an anglicized form of the Gaelic Mac Coinnich, Coinnich being one of the original Gaelic forms of Kenneth.

A variant form of Laurence or Lawrence which ranked in the #200s in the US from the 1900s through to the 1960s. It didn't fall off the boys' Top 1000 until the late 1990s, following the huge popularity of Lauren for girls.

This courtly old Southern name has several cool male bearers: NFL player Courtney Brown, British jazz musician Courtney Pine, and Barbados-born economist Courtney Blackman, to name but a few.

Madison was at one time a strictly boys' presidential name, reaching as high as Number 311 at the end of the nineteenth century. That all changed in 1985 when it entered the girls' list, zooming up quickly until it reached the Number 2 spot, with more than 22,000 female babies given the name in 2001. As is so often the case, its use for boys has dropped precipitously.

Hemingway readers will recognize this as the name of Papa's first wife (and, eventually, actress Mariel's grandmother). But in Victorian times, Hadley and Hedley were actually more popular for boys.