Sean, after a long reign as one of the top Irish boys' names in the US, has now slipped as parents look to fresher Irish choices such as Liam and Aidan. In Ireland, Sean is still highly popular, but variation Senan, an Anglicized spelling of diminutive Seanan, is also stylish in Ireland. While Sean is the Irish form of John, Seanan and Senan may be thought of either as Sean diminutives or relatives of the Latin word "senator".

This name is a classic example of an underused golden oldie that ticks so many boxes - unusual yet traditional, heaps of cute nicknames, a statement name that exudes retro cool. Aloysius is the Latin form of many more common names like Louis, Luis, Luigi and the uncommon but symphonically familiar Ludwig.

Desmond is a sophisticated and debonair name, with noble ties to 1984 Nobel Peace Prize-winning Bishop Desmond Tutu, and with some great nicknames: Des/Dez, Desi/Dezi.

A biblical place name with trumpeting verve and strength.

Haunting biblical and Civil War place-name; now unisex—especially after the mega-high-profile Brangelina couple picked it for their daughter. It debuted in the Top 1000 for boys in 2015.

Roland is a chivalrous old name made famous by the supposedly eight-foot-tall romantic hero and nephew of Charlemagne, celebrated in medieval poetry and song. It is more widely heard in the US now in its Spanish form, Rolando. You might want to consider rollicking short form Rollo, either on its own or as an abbreviation of Roland. Orlando is the graceful Italian form.

Morris is as quiet and comfortable as a Morris chair, and has the same vintage feel. Once a Top 100 name in the early 1900s, Morris fell completely off the roster in 1995, probably due to lingering fallout from his identification with Morris the cat's ("the world's most finicky cat") 9 Lives cat food commercials.

Parents who have tired of Sean are now contemplating Seamus, the Irish form of James, which has a lot more substance and verve.

Smooth and sleek one-syllable name, sometimes suggested for Sagittarius boys.

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.

Kellan Lutz is the attractive young actor who plays Emmett Cullen in the Twilight series.

The jazzy, ultra-cool Dexter, like most names with an "x," has a lot of energy and dynamism.

Devon, spelled like the lovely seaside county in Britain that inspired the name, has crashed since its heyday around the Top 100 in the 1990s. Despite its use as a female name, for example for Devon on the TV show The 4400, Devon continues to be far more popular for boys than for girls.

It may seem like an indecisive cross between Roy and Reece, but Royce was fairly popular in the 1930s and '40s. It has seen a resurgence in recent years, helped by some well-known athlete bearers. The Latin pop singer Prince Royce also has brought renown to the name. And some aspirational parents may see the name as a way to associate with the Rolls-Royce brand.

Errol was a swashbuckling name in the Errol Flynn era, which still has a trace of jazz cool.m thanks to jazz pianist Erroll Garner.

Rainer is one of those baby names that is still under-the-radar but has been quietly gaining traction: The number of boys who've received the name has doubled in the past decade, to just under 50. Part nature name and part traditional German name for boys, Rainer can claim a place among the two-syllable r-ending baby names so fashionable for boys today.

The streamlined Ruben is much more popular than the original Biblical Hebrew version in the US.

Corin was used by Shakespeare in As You Like It, an unusual name that could make a more distinctive alternative to Corey or Colin. It is a name used in the illustrious Redgrave family of actors.

An Irish surname-name that's used almost exclusively for girls these days, given last year to nearly 2000 baby girls in the US vs. 23 baby boys.

The surname name Jenson is in the British Top 100 thanks to champion race car driver Jenson Button. Jenson might be an honorific for an ancestral John, the English form of Jens or Johannes, or even Jen.