Fairly popular a hundred years ago but out of the US charts since 1978, the quirky yet edgy Roscoe feels very much in step with the trending o-ending boy names popular now, such as Milo, Hugo, and Otto. A Top 1000 choice in the UK (albeit near the latter end), it could make a cool alternative to Ross, Russell, Robert, and Ronan.

Finnick has risen to prominence as a first name via The Hunger Games, in which Finnick Odair was a winner of the games. A wearable literary creation, Finnick was given to 136 boys in the US in a recent year.

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.

Stellan is a strong, attractive, Scandinavian possible up-and-comer, known through actor Stellan Skarsgard, and his namesake, the son of Jennifer Connelly and Paul Bettany. Its trendy 'an' ending and the similarity in sound to the popular Kellen/Kellan make it all the more accessible.

Evander is a name that could build on the popularity of shorter form Evan, and could work and play well with schoolmates like Zander and Xander.

Callahan, the simpler spelling of Callaghan, is a rhythmic jig of a name whose history harks back to the ancient King of Munster. In the Dirty Harry movies, the Clint Eastwood character is Harry Callahan.

Since Aurelius was given the supermodel seal of approval by Elle Macpherson, it has joined Augustus as an ancient Roman name that feels usable today. Slightly mystical and magical with a golden hue, Aurelius is grounded by its similarity to rising stars Aurora, Aurelia, and Atticus.

Wells is a newly-famous baby name thanks to pregnancy guru Rosie Pope, who uses it as the short form of the buttoned-up Wellington, name of her youngest child.

Arden is a gender-neutral name that's sleek and stylish but always seems to bob just below the surface of popularity, despite ticking all the boxes with its fashionable two-syllable, N-ending shape and its awesome nature-inspired meanings. In recent US statistics, 51 percent of the babies named Arden were boys to 59 percent girls.

Shepherd is an occupational surname with a pleasant pastoral feel. It was chosen for their son by the Jerry Seinfelds, which might inspire others to follow their lead.

Parents who like Ben and Benjamin but find those forms too popular sometimes consider Benedict as a more distinctive choice. Unlike the Old Testament Benjamin, Benedict is the name of the saint who formed the Benedictine Order and of fifteen popes,including a recent one.

Leander was once an almost unknown name, however, with the popularity of Leo and the rise of Leandro, it now feels like a perfectly accessible alternative to Leon or Alexander. In Greek legend, Leander was the powerful figure who swam across the Hellespont every night to visit his beloved Hero, a priestess of Venus.

Eamon is one of the traditional Irish names that has not yet emigrated to the US. This Irish name pronounced ay-mon was popularized by early president of the independent republic Eamon de Valera (birth name George), who was born in the United States to an Irish mother and a Cuban father. Eamon definitely has possibilities as a successor to the epidemically popular Aidan/Aiden.

The popular single-named alternative singer (born Bek) has given this cool nature-meets-surname name a new lease of life. Another notable bearer is Beck Weathers, a Texan pathologist who survived the 1996 Mount Everest disaster, which was covered in the book and film Into Thin Air.

Both offbeat and upbeat, this evocative traditional Irish name that runs through Celtic mythology is known here via award-winning novelist Cormac McCarthy (born Charles). The author's adopted name is related to Cormac Mac Airt, one of the great legendary high kings of Ireland.

A name that crosses cultures, Idris was virtually unknown in the US before the emergence of the charismatic actor Idris Elba, first on The Wire and then for depicting Nelson Mandela. Since then, the name has grown with the actor and is a popular choice in the UK and Belgium, and a familiar one in The Netherlands, France, and the US.

The striking Ignatius is making a truly surprising comeback, sparked by its selection by not one but two celebrities — Cate Blanchett and Julianne Nicholson. With its fiery qualities and magical feel, Ignatius might just fit in with Blaze, Griffin, Ember, or Atticus.

Ansel, primarily associated with the great western photographer Ansel Adams, famed for his magnificent photographs of the Yosemite Valley, could make a creative artist-hero choice. For Adams it was a family name – he was named after his uncle, Ansel Easton. And, in turn, Adams was the namesake of young heartthrob Ansel Elgort, son of a photographer.

Rio is a reductive ranchero place-name with an attractive Tex-Mex lilt. No Doubt's Tom Dumont has a son named Rio Atticus.

Alaric is an ancient regal name that sounds modern enough to be considered. Alaric was a traditional name for the kings of the Ostrogoths, the most famous of whom was Alaric I, the King of the West Goths who sacked Rome in 410.