1900+ Four Letter Boy Names

Espn made its debut on the American baby name charts in 2004 and has ranked for at least one sex ever since. It's a uniquely American take on the Scandinavian name Espen, influenced by the basic cable sports channel ESPN. So while you can interpret Espn's meaning as "god bear," a case could also be made for "Entertainment and Sports Programming Network."

While there is some disagreement over the origins of this name, it's clearly fashionable and a new idea, for English speakers, of a way to spin either an old classic or a familiar favorite. Still, Loic is one of those French names for boys that is rarely heard outside its native land.

Kiwa, one of the most popular Maori names for boys in New Zealand, is the name of several ocean guardians in Maori mythology. It's part of a poetic name for the Pacific ocean.

Egyptian mythology place-name with an intriguing sound and appealingly peaceful meaning. Update for Aaron?

In demonology, Bael is a shapeshifting evil king who can appear as a cat, a toad, or a man.

Pleasing crossover possibility.

Rarely used on its own and irrevocably tied to former House Speaker Gingrich -- who was christened Newton.

A name that looks intriguing and masculine on paper, but is, unfortunately, a homonym for a girl's name.

Muscular German name that never fully assimilated into American culture.

The name Esca appears in Rosemary Sutcliff's 1954 historical adventure novel The Eagle of the Ninth, which is set in 2nd century Roman Britain. Esca is the name of a freed slave who accompanies his ex-master Marcus Flavius Aquila on various adventures. He was portrayed in the 2011 film adamptation The Eagle by English actor Jamie Bell.

Another winning and relaxed but energetic o-ending Latin name, sometimes associated with designer Paco Rabanne.

The sleek French form of Cosmo, which has leapt out of relative obscurity to well within the Top 100 boy names in France in the last decade, but still retains a sophisticated, vaguely aristocratic air. Pronunciation is like the English word comb.

Appropriately used for anime antagonists, not human babies.

A fresh, green, rising nature name for girls that would make a cool possibility for a baby boy as well. It has ranked in the US Top 1000 for boys a handful of times since naming records began.

Actor Mark Ruffalo honed this surname down to its basics when he chose it for his son. A more usable expansion might be the Irish surname Keenan/Keenen.

Ubbe or Ubba was a 9th-century Viking and one of the commanders of the Great Heathen Army that invaded Anglo-Saxon England in the 9th century.

Now that the Irish Ciaran and Ciara -- aka Kieran and Kiera -- are becoming more popular beyond their native shores, the short and strong Ciar might find some favor. As of now, more than 160 baby girls were named Ciara in the US last year, with half that many boys named Ciaran, but so far no baby boys named Ciar, though 17 were called Keir.

Another name for Jupiter, king of the Roman gods, this jovial name is eminently ready for modern use. Feminine variations include Jovita and Jovie.