Sleek and smart, with a hint of mystique about it, Silas is a recent addition to the US Top 100. Both mythological and Biblical in origin, Silas joins the ranks of Isaiah, Atlas, Elias, and Sebastian: polished and contemporary feeling names with plenty of history.

Jude is a modern star, maintaining a steady level of popularity -- but not TOO much popularity, in the US at least. Thank Jude Law and the great Lennon-McCartney song "Hey Jude", double-handedly responsible for propelling Jude up the charts.

Kai is an internationally flexible name with many possible origins and meanings, growing in popularity in the US and a diverse range of European countries.

Currently overshadowed by the bright and lively Leo, Leon feels a slightly more serious, more quietly confident than its short and trending counterpart.

Levi, lighter and more energetic than most biblical names, with its up vowel ending, combines Old Testament gravitas with the casual flair associated with Levi Strauss jeans.

Otis has real appeal for parents attracted to its catchy O initial and combination of strength and spunk. The appealing hero of the British TV show Sex Education has done much to propel Otis into the forefront of cool names.

Ari, the short form of Ariel (or any other Ari- beginning name, such as Aristotle) stands up better as a boys’ name than its progenitor does. It is also short for Aristotle, as in Onassis, and is a prominent character on TV's Entourage -- the uberagent Ari Gold.

Sawyer is a surname with a more relaxed and friendly feel than many others, and is one of the hottest occupational names right now, with the Nameberry seal of approval. Sawyer is becoming one of the top unisex names. Both Sara Gilbert and Diane Farr used Sawyer for their daughters, while it was given a boost as a boys' name by the character Sawyer on Lost, an alias for the character really named James Ford.

Michael was the Number 1 American boys' name for almost half a century. While Michael has moved out of the Top 10 baby boy names, it's still widely used.

The Top 10 boys' name Elijah is derived from the Hebrew name Eliyahu, composed of the elements ’el and yah, both of which refer to God. In the Old Testament, Elijah was the prophet who went to heaven in a chariot of fire, a story sure to inspire any young Elijah.

Energetic, sunny, and slightly romantic, Rafael is a popular choice in Germany, Spain, Portugal, and Croatia. Used internationally, Rafael is a Spanish variation of Raphael, that lends itself easily to the nicknames Rafi, Rafa and Rafe.

A classic in its native Scandinavia, Axel has a cool rock 'n' roll flavor in the US, thanks to Guns N' Roses' Axl Rose (born William). With its distinctive letter 'x', it has an effortlessly cool vibe about it, and is currently growing in popularity.

An Old Testament name with a Gaelic lilt, Malachi entered the list in 1987.

One of those simple, straightforward English surnames -- and with a presidential pedigree -- that's easy to translate into a first. Chosen by both Kevin Costner and Jessica Alba for their sons, it has been climbing the US charts since 2009.

Casimir, a traditional name of Polish kings, could do quite well these days as we see the rise of Caspian, Cassius, Castiel, et. al. Like Leopold and Laszlo, Casimir is strong and worth considering if you've got an adventurous streak — and bet your son will too.

Rugged, outdoorsy, and full of energy, Wilder entered the US Top 1000 back in 2015. Part bad boy, part Western, part preppy, and part nature-loving, Wilder is given to nearly 800 babies each year.

Holden is a classic case of a name that jumped out of a book and onto birth certificates--though it took quite a while. Parents who loved J. D. Salinger's The Catcher in the Rye are flocking to the name of its hero, Holden Caulfield -- not coincidentally in tune with the Hudson-Hayden-Colton field of names.

Pleasant but uninspired surname name somewhat connected to writers Ellison and Coben. After three decades off the US Top 1000, it reentered in 2013, maybe because it's an unusual example of the trendy class of two-syllable n-ending boys’ names. Kevin Harlan is an NFL, NBA, and college basketball announcer for TV and radio.

Typically spelled as Lonán in Ireland, Lonan is its Manx form, though it could also be considered the anglicized form too. The name comes from the Irish lon meaning "blackbird", paired with a diminutive suffix, making this a charming nature-related choice that could make a nice Logan/Conan alternative.

Leonidas is an ancient name that has started rising again along with centuries-old names such as Augustus and Cato. The original Leonidas was the most famous of Sparta's warriors, sacrificing his life at the Battle of Thermopylae; there is also a saint Leonidas.