Swaggering, cutting-edge choice equally appropriate for both genders. It's also very rare, given in the US in 2015 to only seven baby girls....and no recorded baby boys. Do you want to be the first?

Cheerful but laidback, surname-style Delaney is derived from the Old Irish name Dubhshláine and has become a familiar choice for girls in recent decades. Nevertheless, it has also been used for boys since the early 1900s and was equally - though rarely - given to both, right up until the 1990s.

This presidential name is in style limbo today - or, some might say, in the the sweet spot of familiar but little-used.

Donnelly is among the more appealing Irish surname names, less well used than Donovan. Related options include the place name Donegal and the mythological god name Donegan.

Philosopher who advocated the simple life. A classical choice that's almost unused as a baby name.

A rising choice in the US, where money-related names are becoming more fashionable.

This could be a possible replacement for the overused Tyson, though it has something of a commercial feel related to the brand of vacuum cleaners.

A common Irish surname that's seldom heard as a first name, but has an appealing meaning.

The Spanish word for "devil" makes for a very daring baby name, but in the era of babies names Hades, Azrael, Loki and even Lucifer, it feels like a plausible possibility. Indeed, 5 baby boys were named Diablo in 1975 – the only year the name has made the US extended list for either sex.

Futuristic, in a 1930s kind of way.

This tough and attractive name is popular in its native Bosnia and Turkey, though globally, it might be better known in the form of Timur.

Possibly meaning "bold", this West African surname is less commonly found as a first name, too.

Dinand is popular in the Netherlands thanks to a local singing sensation. Dinand is one of many Dutch short forms that come from the middle or end of a name -- think Bas for Sebastian or Hans from Johannes -- rather than from the beginning as is more usual in the U.S. and UK, though we're catching on.

Although this month name was used only for girls in a recent year, there's no reason it can't work for both genders. For a holiday baby, more original than Noel and more universal than Christmas.

Definitely a name you won't hear in every playground, Dalfon (also spelled Dalphon) is a highly unusual weather name with a distinctive sound.

The name of the protagonist of a trio of novels by French author Alexandre Dumas, most notably The Three Musketeers. D’Artagnan is an aspiring musketeer who travels to Paris in search of fortune and adventure. The character is based on real-life musketeer Charles Ogier de Batz de Castelmore, Comte d’Artagnan. Artagnan is a small village in southwest France.