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.

Arden is a gender-neutral name that's sleek and stylish but always seems to bob just below the surface of popularity, despite ticking all the boxes with its fashionable two-syllable, N-ending shape and its awesome nature-inspired meanings. In recent US statistics, 51 percent of the babies named Arden were boys to 59 percent girls.

Remi is an adorable name that's fashionable and keeps gaining momentum. Remi entered the US Top 1000 in 2013 and is now approaching the Top 100.

Spencer is a name that has everything: it's both distinguished sounding and accessible, dignified but Spencer Tracy-like friendly. Picked by several celebrities (a couple of times even for a girl), adding up to an enthusiastically recommended choice.

Now that it's no longer fashionable for girls, Robin is rising for boys again. Robin Hood, Robin Williams, Christopher Robin, and Robin the Boy Wonder are all male namesakes, after all. It reentered the US Top 1000 boys names in 2015 for the first time since 1999 and continues to bounce around the lower end of the Top 1000.

Could Lowen be the next Owen, Rowen, and Cohen? This Cornish name certainly has the right sounds to be an American hit, and is rising dramatically for both boys and girls.

This Latin word used for evening spiritual services was introduced to baby namers by the Eva Greene character Vesper Lynd in the modern James Bond film Casino Royale in 2006, based on the Ian Fleming novel, and is just now beginning to provoke interest among namers, with its spiritual reference and soft, whispery sound.

Azriel is more masculine than Ariel, more unusual than Israel. Also spelled Asriel and Azrael, Azriel is the name of the Angel of Death in Jewish and Muslim traditions.

Effortlessly cool with a hint of the mystical, Phoenix rolls a lot of trends into one: it's a place-name and a bird name, it ends in the stylish letter x, it's got in-built nicknames, and it's unisex too. Familiar but not over-popular, Phoenix ranks in the US and UK Top 1000s.

As sturdy as Oak, but with stronger roots as a first name, Oakley ticks lots of boxes for modern trends. With its unisex vibe, its nature-based meaning, its surname-y feel, and its popular -lee ending, it's not wonder Oakley is on the rise.

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.

Riley -- one of the most popular unisex names -- is trendier now for girls though for boys it's a classic, ALWAYS ranking in the US Top 1000.

Drew, which projects a polished, somewhat intellectual impression, is rapidly becoming the Andrew nickname of choice, replacing the past favorite, Andy. It is fully capable of standing on its own, which it has for many decades, non-stop since 1942.

A word in the Yankton-Yanktonai and Santee dialects of the Lakota Sioux language, meaning "friend" or "ally", used for one of the main characters in the movie Brother Bear. Also a common Japanese surname or a respelling of the musical name Coda.

Rory is a buoyant, spirited name for a redhead with Celtic roots. The name Rory is getting more popular overall, but for the past few years has been trending decidedly toward the boys' side -- however, it's been rising to new heights for girls in recent years.

This jaunty Celtic surname -- the most common family name in both Ireland and the US -- is totally viable as a first. The arguably most famous Murphy is TV's Murphy Brown, and indeed the name is twice as common for baby girls as for baby boys today. But still, it's solidly gender neutral and works equally well for all sexes.

Merritt has a long and distinguished history as a surname; the Merritt Parkway in Connecticut and the Merritt Building testify to that. But it wasn't until Emmy-winning actress Merritt Wever came along that we gave it much thought as a girls' name. And we aren't alone. It's grown tremendously in popularity since the premiere of Nurse Jackie, in which Wever played a key role. More than 100 baby girls a year are now named Merritt in the U.S.

Rumi is a Japanese girl name, with a sweet yet substantial sound. Reminiscent of other popular choices in the West — think Ruby, Remy, and Romy — it is currently achieving more notice thanks to Beyonce and Jay-Z, who chose it for one of their daughters.

Haunting biblical and Civil War place-name; now unisex—especially after the mega-high-profile Brangelina couple picked it for their daughter. It debuted in the Top 1000 for boys in 2015.

Tatum is one of the rare examples of a name that was exclusively female, as in Tatum O'Neal, but now is used for boys too, entering the male Top 1000 in 2010. Khloe Kardashian made headlines when she revealed her son is named Tatum Robert, breaking from the family theme of using unique word names for their children.