Unusual names for boys!

Allen is the spelling of this name -- other common spellings are Alan and Allan -- most associated with the surname; it might also be the most appropriate if you're trying to steer clear of Al as a nickname, as this can easily offer you Len or Lenny as options.

Arlen is a surname long used as a first name: It ranked on the US Top 1000 from the late 1920s until the late 1960s. Originally, Arlen was a variation of Harlan which came from Harland, a place-name which means "hare land" – a place with lots of rabbits. The name today is occasionally used for both genders, boys twice as often as girls. That may increase with the fashion for two-syllable n-ending boys' names.

Brantley is one of several English surnames that was new to the tops in 2009. A possible-probable inspiration is the country rock singer Brantley Gilbert.

This one's cutting right to the chase, but with such names as Justice and Peace on the rise, why not? And we guarantee your seven-year-old son will love it, though your 17-year-old, maybe not so much. Could be used as a middle name, as Talisa Soto and Benjamin Bratt did.

This Irish name of a saint from the Isle of Aran also appears in myth and fantasy fiction, giving it an intriguing, mystical air.

Brennan is a winning Irish surname name, more modern than Brian or Brendan, more unusual than Conor and Aidan. The only possible problem with Brennan: people might think you're saying Brendan.

With its slightly cocky feel, this well-used surname is not often heard as a first.

A surname name that can transition to first -- it entered the Top 1000 in 1980 and is now firmly in the Top 100. Actress NeNe Leakes chose it for her son. R&B singer Bryson Tiller's popularity may have played a part in accelerating Bryson's rise.

Caedmon is considered the first English poet -- a nice literary tie-in to the streamlined version.

An Anglicized form of Caolán

Biblical name Cain was, until recently, seldom heard outside of the Old Testament and soap operas. Although Cain's murderous actions will always make this name difficult for some, Cain, Eve and Adam's firstborn, was a farmer - making this a good choice for those with farming connections. Long outshone by Abel, Cain is starting to find a broader audience, helped along by homophones Kane or Caine.

Hugh plus.

Like Horace, Horatio is a variation on the Latin Horatius, but its Shakespearean and optimistic Horatio Alger pedigree makes it an attractive up-and-comer, especially with its cool final o. A modern reference is the charismatic TV character Horatio Caine played by David Caruso in CSI: Miami.

One of the most popular Spanish names for boys in the US, Javier is embodied for many Americans in the magnetic persona of Spanish-born Oscar-nominated actor Javier Bardem.

Jayce, which probably started out as an abbreviation of names like Jason, with the 'y' borrowed from Jayden, now has a life of its own, making a strong showing on the popularity lists.