Most American parents would choose to use the more commonly seen variant, Axel, but .this form is preferred in Denmark and Norway, and also ranks in the French Top 400.

Absalom, because of its biblical and literary associations, just might appeal to the daring namegiver.

Truly multi-cultural, Ira can be: a Russian short form of Irina, meaning "peace"; a gender-switch of the Hebrew male name Ira, meaning "watchful"; a modern Greek and Finnish form of Hera, meaning "hero" or "protectress"; a Sanskrit name meaning "earth" or "enjoyment"; and a Basque nature name meaning "fern", from the word iratzea.

Salem is a Biblical place name in Canaan, believed to be the same as Jerusalem, as well as the Massachusetts town famous for its late 17th century witch trials. Salem is also a popular first name in its own right throughout the Arabic world.

Uma is a sweet, strong name for a Hindu goddess... and a Hollywood one. But as popular as Uma Thurman is, other parents have not yet picked up on her name, making it a rarity.

Seren, meaning "star", is one of the top girls' names in Wales, but as a boys' name it has a different derivation. It's a rare Polish form of the Latin Serenus, mostly used to refer to the Saint and meaning "serene". It could make for a handsome and almost unknown alternative to rising star Soren.

Another old-school nickname getting new attention thanks to TV's Mad Men. Names like Fred, Pete, and George have been out so long it's time for them to come back in. It reentered the US Top 1000 in 2015 following a two-year absence from the list. It currently ranks Number 199 in England and Wales.

Sky is an ambigender nature name that was first legitimized as the character of Sky Masterson in the 1950 musical Guys and Dolls, played in the film version by Marlon Brando. It's a name we appreciate for its clear, wide-open feel, less hippyish than others like Rainbow and Starlight, and makes an appealing middle name possibility.

In the US, this spelling is less common than mid-century favorite Jeffrey, and it has faded from popularity faster. This more British spelling is the usual form for historical figures like Geoffrey Chaucer and the Welsh historian Geoffrey of Monmouth, and as such it may feel more rooted and enduring.

Traditionally, Xolani is a masculine Zulu name stemming from the word "uxolo", which means peace and goodwill. Beware – in this case, the X is pronounced as a one of the famous Zulu clicking sounds rather than the "z" or "sh" sound you might expect.

Arcadia, a name for an unspoiled paradise, makes an attractive secular alternative to Nevaeh or Eden. For parents who want an unusual name with a friendlier nickname, Arcadia has the advantage of cute Cady.

As an Arabic name, the normal transcription is Na'ima, with an apostrophe. It was a Top 200 name in France in the 1970s and '80s, and ranked in the US Top 1000 from 2005 to 2008.

Sky may be a bit hippie-ish, but it's bright and sunny nonetheless. Sky rejoined the Top 1000 in 2013 after spending many years off the list. Sky was the choice of magician David Copperfield for his daughter, born in 2010.

Kazumi can be used both as a masculine and feminine name. It is related to names like Kazuko, Kazuo and Kazuki.

The dynamic personality and paintings of Mexican artist Frida Kahlo have inspired growing numbers of parents to resurrect this form of the name. It does much better in certain European countries, especially in Denmark and Norway. The Frieda and Freida spellings were more popular in the US until the middle of the 20th century.

Mythological son of Odin, powerful and mute.

A Top 100 name among boys, but a rare option for a girl. The French female form is Axelle (emphasis on the "elle").

Nevaeh: an already bold word name with the unusual twist of being spelled backwards; a nightmare for those who love traditional, classic names; a divisive option on name forums across the internet; and a spelling and pronunciation that aren’t quite intuitive at first glance.

Among the children named Heaven are the daughters of TV personality Brooke Burke and rap singer Lil' Mo, who also has a daughter named God'iss Love. Some parents have taken to using Nevaeh instead—Heaven spelled backwards.

The name of the main protagonist of Avatar: The Last Airbender was coined for the movie from Chinese characters meaning "peaceful" and "rise; raise". Aang is also used as a given name in Indonesia, where it derives from akang — a word used to refer to one’s elder brother or one of his peers.