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.

Atticus, with its trendy Roman feel combined with the upstanding, noble image of Atticus Finch in To Kill a Mockingbird, is a real winner among boy names. Atticus entered the US Top 1000 in 2004 and is a firm Nameberry favorite.

The bright, playful Micah feels like the middle ground between the safe, solid qualities of Michael and the flair and energy of Luca. Both Biblical and stylish, Micah is proving popular among parents today.

Caleb is an attractive Old Testament name that has been in the US Top 100 for nearly three decades now. Consistently popular but never too popular, Caleb feels more like a classic than a momentary trend.

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

Xander is a diminutive of Alexander, the Latin variation of the Greek Alexandros. Its meaning, "defending men," is taken from the Greek roots aléxein, "to defend," and andros, "men." Zander, pronounced the same way, is an alternate spelling.