Gentle Druid

This Biblical name was rising dramatically for boys, but has plateaued in recent years. Although it's more popular for girls, it's a delightful unisex choice. Eden is one of the Top 100 Boy Names in France.

This old-fashioned name looks like it could be on the edge of a revival, following in the footsteps of Alden and Auden.

Strong, straight, and leafy, one of the new tree names used mostly as middles.

If you're looking for a Welsh name less common than Dylan, Griffin, Evan, or Morgan, you might want to consider this offbeat epithet of the wise wizard Merlin.

Root name Ambrose is an ancient saints' name derived from the Greek ambrosia, the food and drink of the gods that conferred immortality.

Endellion is the name of an early saint who was a daughter of King Brychan and goddaughter of King Arthur whose life is commemorated by the Cornish village of St. Endellion. This intriguing ancient name was brought into modern usage by British Prime Minister David Cameron, who used it as one of the middle names for his fourth child (a daughter).

A modern-sounding unisex name which belongs to a dragon in Turkish mythology. One notable bearer is American composer Evren Celimli.

This appealing name has a good chance of catching on due to the popularity of Ewan McGregor, and the trend towards Gaelic names in general. Pronunciation is YOO-un.

Actor Farley Granger set it in motion, now could be a gentler alternative to Harley.

In English, a fen is a wetland fed by surface and/or groundwater. In Dutch and Frisian, it's a traditional diminutive of names containing the element frid, meaning "peace". Either way, Fen makes a fresh alternative to fashionable Finn.

It feels like Finch should be a modern bird name that's as popular as Wren or Lark, but that's not the case - so it's one to consider if you're looking for a nature name that's familiar but rare.

The Forest variation of Forrest, used by actor Whitaker, nudges the meaning more toward the woods and away from the woodsman.

Fox is one animal name backed by a longish tradition, and then popularized via the lead character Fox Mulder on X Files. Fox is simple, sleek, and a little bit wild, and could make an interesting middle name.

Frey is the handsome Norse fertility god, a worthy namesake. Frey remains rare in the US even as the similar Freya picks up in popularity.

If you find Grover too fusty and furry, this is a much cooler-sounding alternative.

The great American novelist sets this above many other surnames (and nature names, for that matter), but it's still an imposing and adventurous choice. Do nicknames Hawk or Thorne make it more approachable? The timid should stick with Nathaniel.

Actor Heath Ledger's tragic death has cast a pall over this otherwise pleasant and distinctive name. Nonetheless, it remains in the Top 1000.

Because of its meaning, a symbolic name given to boys born on TuB'Shevat, the New Year of the Trees, or Arbor Day.

Isabel and Isadora are back: could it now be time for a more widespread revival of Isidore? In 2014, both Isidore and Isadore were on the list of fastest-rising names in the US.