Felix is one of those ancient but nontraditional names for boys that have come into favor over the past few decades, a favorite of parents who want a masculine name with history and heft that breaks ranks with the standard Franks and Freds. Felix is also an international darling, ranking in the Top 100 in several European and English-speaking countries.

Wyatt has been hot, which is to say cool, for several years now. With its easy Wyatt Earpish cowboy charm, it's relaxed but still highly respectable.

See the popularity graph below for the name Theo? It's been heading straight uphill since 2010, when it hopped back onto the Top 1000 after a 60+ year absence.

Quinn is an engaging Celtic surname, zippy, concise and strong. While it may now lean feminine in the US, given to girls about 80% of the time, it is still given to a substantial number of boys: 615 in a recent count.

This anglicized form of the Irish surname Ó Cathaláin links back to the Irish given name, Cathal. Similar to Callum, Caleb, and Calvin, it might feel more usable outside of Ireland and Scotland than its origin name.

Griffin is one of the newer and most appealing of the two-syllable Celtic surnames. In English, griffin is the name of a mythological creature, half eagle, half lion. It re-entered the list in 1983 after an absence of 75+ years.

Western novelist Zane (born Pearl!) Grey made this name famous. Now, it's in tune with the style of our times, retaining that appealing cowboy image.

Hayden – a formerly obscure name that's risen to huge popularity – has dipped in this year's ratings. Though Hayden is among the most distinctive of the bunch, it gets lost in the crowd of Jaidens, Bradens, Aidans, and endless variations. Associated with Hayden Christensen, of Star Wars fame.

Parents seeking alternatives to popular Ryan have flocked to this soundalike name, which peaked at #146 in 2011. Blending in elements of Nolan and Riley too, it remains in the US Top 500, and is given to around 850 babies each year.

An early and still one of the most popular unisex names, also a place name and name of a Native American people in the northern Mississippi valley, which makes it a controversial baby name choice. While the popularity of Dakota is trending downward for both genders, it's one of those rare genuinely gender-neutral names that is used for nearly equal numbers of boys and girls.