A popular name in Denmark, in this country Bo has some cowboy swagger and a lot of substance in its minimal two letters. In Mandarin Chinese, Bo means "wave".

Estella is a pretty Latin name, most notably associated with the character in Dickens's Great Expectations, adopted and raised to reek Miss Haversham's revenge on men. With the popularity of Stella, Ella, Esther, and Esme, however, the elaborate Estella has also been making moves up the US charts in recent years.

Early 1980s sitcom (Family Ties) name that has been well used ever since, with an upbeat three-syllable sound and a slightly tomboyish edge.

Foster is one commonly heard last name that makes a fine first. The word foster means "to nourish" — as in "fostering hope", or "fostering a relationship". The only problem with Foster might be its association with "foster child."

The Scottish spelling of Isabel has a definite character of her own, the 'o' giving her an extra infusion of strength but also an element of confusion. How do you pronounce that? Answer: Exactly like Isabel or Isabelle.

Given that Rome is arguably the most important city in European history, it has been used as a first name remarkably little. However, with Roman in the Top 100 and one-syllable choices in vogue, it was only a matter of time before parents started looking toward the city's name as a potential baby name.

Anais is an unusual, alluring name forever attached to the daring French-born American novelist and diarist Anais Nin (born Angela, with Anais as one of her middle names), who became the inspiration for the naming of the daughter of musician Noel Gallagher. Anais is also the name of a popular perfume.

Ryder, one of the current favorite er-ending boys’ names, has been in the spotlight since Kate Hudson and her rocker husband Chris Robinson chose it for their son in 2004. Very popular in several provinces of Canada, Ryder was chosen by John Leguzamo for his son and adorns Boy Meets World star Ryder Strong.

Posie and its near-identical twins Posy and Posey are delicate old-fashioned flower names of the type that are stylish today: Think Poppy, Marigold, Clover.

Lost in limbo for decades and decades, Elsa now stands a good chance of following along in the progression from Emma to Ella to Etta, thanks to the ice queen heroine who "Let It Go" in the wildly popular Disney movie Frozen. The name shot all the up to Number 286 (its highest ranking since the 1890s) in the year after the release of the movie, though it's now dropped back down the list in the US.

An early Christian martyr, a bespectacled MTV cartoon heroine, and Canadian supermodel Daria Werbowy: Daria is a name that manages to feel contemporary and usable without being exactly stylish. Which may be a positive, in terms of Daria not being in danger of overpopularity.

Simple and universal, Marco is a Latin classic that would make a much livelier namesake for an Uncle Mark. It was used for her son by actress Jill Hennessy and goes well with surnames of any nationality.

With strong sounds but a whimsical feel, Reverie is a word name associated with being in a dreamy, ethereal state, of being lost in a daydream, or coming up with a pleasant fantasy for the future. Similar in cadence to popularly Everly, it was given to around 80 girls in a recent year.

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.

Unlike its somewhat formal Swiss city namesake, this is a lively and appealing place-name that also has a real history as a female name.

Originally a unisex nickname for a redhead -- red hair is called "ginger" in Britain -- or for the name Virginia, Ginger perennially wears pink gingham and spike heels.

Lane is a unisex name equally accessible to boys and girls. Breezy, cool and contemporary, it might equally put in mind country lanes and banks of wildflowers.

Once the most popular month names, April has been overtaken by June (for girls) and August (for boys), as well as the charmingly old-fashioned May. Literary reference: the heroine of the book and movie Revolutionary Road, and there have been Aprils on Parks and Recreation, Glee, and The Vampire Diaries. Trivia note: comedian Ralphie May named his daughter April June May.

Six Feet Under transformed Nate's image from crusty uncle to cool guy. Nate is one of a new generation of nicknames that go directly on the birth certificate. Other similar names: Sam, Jack, Mack. But Nate is arguably fresher and cooler than many nickname-names.

Though it sounds like a chopped-off variation of Olivia, which means olive, the distinctively attractive Livia has been an independent name since the days of the ancient Romans, when it belonged to Livia Drusilla—the powerful wife of the Emperor Augustus—and is still commonly heard in modern Italy.