Lopes da Silva (male names, Part 6 of 12)

Avery is a unisex name that is used four times as often today for girls as for boys. But while Avery's popularity is starting to soften for girls, it continues to get stronger for boys -- in keeping with our finding that gender neutral names are becoming more favored for boys than for girls.

Barnabas, whose birth name was Joseph, was one of the earliest Christian disciples in Jerusalem, who undertook missionary journeys with Paul the Apostle, His name is a bit Old World compared to the update Barnaby, but could gain some attention as boys' names ending in 's' are enjoying a comeback.

This Anglicized form of Bearach or short form of Finbarr was in the Top 200 in the USA for 50 years until the early 80s when it rapidly fell out of favor. Barry has not yet found popularity in the modern era - but that may well change as people rediscover their love of classic figures like musician Barry White, baseballer Barry Bonds or even Barack Obama, whose nickname as a young man was Barry.

Most Bills today are dads...or grandpas. The younger Williams are usually nicknamed Will, or called by their full names.

Cute kid with freckles, bouncing a Spalding ball. Cool couple Helena Bonham Carter and Tim Burton put the name Billy Burton on their son's birth certificate. While the classic William, name of the future king of England, may in fact be German, the nickname Billy along with such other classic short forms as Jim and Joe are authentically English names for boys.

Despite all the "hanging," "dangling," and "pregnant" chad jokes of the 2000 election, this saint's name and remnant of the Brad-Tad era didn't get a boost in popularity. But Chad still holds some surfer-boy appeal for a number of modern parents.

Clay is a rich, earthy one-syllable name with a southern-inflected handsome-rogue image, featured on soap operas and reality TV. Its longer forms are Clayton and Clayborne.

This variation of Connor was practically unused before the 1990s.

Former teen idol name, now middle-aged. This name has been on a steady decline since the early-1990s.

Often stands alone in Israel, but rarely here.

Spunky Irish surname that still has a pugnacious feel from its lingering association with one of boxing's greatest champs, Jack Dempsey. Many people may associate it more with Patrick Dempsey these days—McDreamy from TV's Grey's Anatomy.

The Dorians were an ancient Greek tribe, one of the three major pre-Spartan tribes. It literally means "of Doris," a Greek district, or "of Doros," referring to the son of Helen of Sparta. Dorian derives from the Greek doron, meaning "gift," along with related names such as Dorothy and Dora.

Douglas, and more particularly its nickname, Doug, had a real romantic swagger in the 1950s and 1960s dating back to swashbuckling Douglas Fairbanks, but today is more likely to conjure up your mom's prom date. Originally a Celtic river name, it became attached to a powerful Scottish clan, renowned for their strength and courage. In its earliest incarnation, Douglas was used equally for girls and boys.

Dylan still feels poetic and romantic after years of popularity. It still ranks highly on the charts, among the top boy names starting with D, so if you choose it, be aware that yours may not be the only Dylan in his class.