Unusual but acceptable - boys

The addax is a white antelope that resides in the Sahara Desert. A cool and usable addition to the pool of animal baby names.

A favorite of British novelists including Evelyn Waugh and P. G. Wodehouse, Ambrose has an air of blooming well-being and upper-class erudition. It comes from the same Greek root as 'ambrosia', the food of the gods, said to confer immortality.

Friendly, unusual, but a decidedly Old Country version of Andrew and one of the classic Scandinavian names. It made a brief appearance in the US Top 1000 in 2006 and then reentered in 2010. Its rising popularity could be attributed to the interest in Anderson, which has been gaining steadily over the last fifteen years.

Trivia tidbits: The patronymic Andersson is the second most popular surname in Sweden, and in Denmark, Donald Duck is called Anders.

A short but strong biblical name with multicultural appeal, Asa is enjoying new visibility thanks to hot young actor Asa Butterfield of Hugo fame.

Variant of the popular Slavic name Bogdan, meaning "given by god".

For centuries, this name had a romantic, windswept image due to its strong connection to the poet Lord Byron, who inspired its use as a first name. It is one of those surprise names that's appeared on the Top 1000 every year since 1880.

Camden is a surprise hit, probably as a result of some star baby cred: it has been chosen by no less than four celebrity parents since 2012. Camden is a Jersey Boy name, along with equally popular Trenton -- these are two cases where the names are more attractive than the places that inspired them.

One of the most romantic of appellations, Caspian is a geographical name referring to the large salty sea between Asia and Europe. It's also the name of the hero of C.S. Lewis's beloved Chronicles of Narnia, Prince Caspian.

Fabian is the ancient name of a saint and pope that also has Shakespearean cred as Olivia's servant in Twelfth Night and more recently made an appearance in Harry Potter. In the U.S. Fabian became best known via the 1960s teen idol/singer who went solely by his first 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.

Actor Kit Harington, aka the dreamy Jon Snow on Game of Thrones, has given this nickname-name new style and appeal for boys. Actress Jodie Foster used it for her son.

This first name was once a surname derived from Old English. Used quietly a century ago, the current fashion for two-syllable boy names ending in n makes this one a new hit.

More popular in its Layton spelling, Leighton is rising in popularity in the US for both sexes simultaneously, although this spelling remains more popular for girls for now – no doubt helped by actress Leighton Meester. Lleyton – as in Australian tennis star Lleyton Hewitt – is another, even more complicated, variant spelling.

Lochlan and Lachlan are running neck and neck and both rising into the Top 1000. Which spelling you use is purely a matter of taste.

Lorcan is a name rich in Irish history as belonging to several kings, including the grandfather of the most famous high king of Ireland, Brian Boru. Lorcan O'Toole, known in English as Laurence O'Toole, is the patron saint of Dublin, so it's not too surprising that Irish-born actor Peter O'Toole named his son Lorcan.

An English place and surname with a fierce natural meaning. Loxley is a village and river name from Yorkshire, England, famous for being the purported birthplace of Robin Hood. Loxley Chase was an extensive historic forest bordering Sherwood Forest in the Middle Ages.

Maddox, a previously obscure Welsh family name with a powerfully masculine image, suddenly came into the spotlight when Angelina Jolie chose it for her son in 2003. By the following year it was in the middle of the Top 1000, and it has risen since.

It's ironic that the name Maverick is not such a maverick anymore. Heard first in a 1950s James Garner western TV series, and then as the Tom Cruise character in Top Gun, Maverick symbolizes an unfettered, free spirit.