Beatrix has a solid history of its own apart from Beatrice, with that final x adding a playful, animated note to the name's imposing history and stately vibe.

Spencer is a name that has everything: it's both distinguished sounding and accessible, dignified but Spencer Tracy-like friendly. Picked by several celebrities (a couple of times even for a girl), adding up to an enthusiastically recommended choice.

Barnaby, a genial and energetic name with an Irish-sounding three-syllable lilt, is an ancient appellation that manages to be both unusual and highly attractive and deserves to be used more than it is. A sweet-spot name that's a real winner.

Anya is a Russian variation of Anna, which came from the Hebrew name Hannah. Anya is the form found most frequently in Russia, Poland, and other East European countries, while Anja is the spelling usually preferred in Germany Norway, Denmark, Germany, Sweden, and The Netherlands. In the Hungarian language, Anya also means mother.

Piper is a bright, musical name that entered the list in 1999, one year after the debut of the TV series Charmed, which featured a Piper, and it's been a consistent riser since. Piper Kerman is the memoirist whose prison experiences provided the basis for the hit Netflix series Orange is the New Black.

Jackson is one of those names that's much more popular than you think, coming in near the top of our annual Playground Analysis, which ranks names by grouping all their spellings together. Last year, more than 13,000 baby boys were named Jackson -- along Jaxon, Jaxson, Jaxxon, Jaxen, Jaxyn, Jaxsen, and Jaxsyn -- which counted together makes it the Number 5 boys' name.

Oona is a name made famous by Eugene O'Neill's daughter, who became Charlie Chaplin's wife. One of the original Oona's granddaughters was named after her, and is now an actress famous in her own right for playing Talisa of Volantis in HBO's "Game of Thrones." The double-o beginning gives their name a lot of oomph.

Harry is the medieval English form of Henry, which derived from the Germanic name Heimrich, meaning "estate ruler." Harry was the nickname of all eight King Henrys; it is also a diminutive of Harold and Harrison.

Angus is a traditional yet stylish choice in the UK, especially in Scotland. And it's a cool choice for US parents too, particularly those whose roots go back to Glasgow. The ancient Celtic form Oenghus has important historical overtones in Scotland, and the Gaelic form Aonghas is associated with two distinguished modern poets. In Irish folklore, Angus Og is a chieftain-lord who used his magical powers for the pleasure and prosperity of mankind--and in Irish myth, Aonghus was the god of love and youth.

While Gwen may have originated as a short form of Gwendolen and Gwendolyn, these days it frequently stands on its own. Rocker Gwen Stefani has given it a shot of cool, and parents are choosing it as a standalone more and more often—Gwen hopped back onto the US Top 1000 in 2013 after an absence of over 30 years. Gwen could also be short for Guinevere.

A handsome Irish name for boys, very popular in that country, but in the US this traditional spelling might cause pronunciation problems. Still, whether Cian or Kian, it's simple and straightforward enough for the initiated. Cian is rising in the British popularity charts.

Alba is quietly making a behind-the-scenes comeback, perhaps thanks to actress turned baby-product mogul Jessica Alba. Last on the Top 1000 a century ago, the name was given to nearly 200 baby girls in the US last year. Alba might be tomorrow's successor to Ava and Ella. In Spain, Alba ranks among the Top 20 girls' names. Alba is the name of a character in The Time Traveler's Wife.

X marks the spot in names these days, usually at the middles or ends of names, but here is one that puts it squarely up front.

Amos is a robust biblical name that's being discovered by a new generation of parents in a major way.

One of the loveliest of the Welsh names, striking the perfect balance between being familiar and unusual. In Wales, the female spelling is always Bronwen, but Americans usually see a "y" as adding femininity.

Agatha until recently summoned up visions of martyred saints, mauve silk dresses, and high lace collars, but now that some dauntless excavators have begun to resurrect it, we're sure more will follow their lead. Actor Thomas Gibson used it for his daughter in 2004.

Effie is the old-fashioned short form for Euphemia. It shares a vintage charm with Hattie and Letty although is much rarer than either. Effie is a character in The Hunger Games and Sisterhood of the Traveling Pants.

This Welsh nature name that can be pronounced exactly like the male Ira. Or, to avoid confusion, you could just name her Snow.

It is popularly claimed that the name Wendy was invented by Sir James Barrie in 1904 for the big sister character in his play Peter Pan, which was followed by the classic novel in 1911. Barrie supposedly took it from the nickname "fwendy-wendy", that he was called by a young girl acquaintance.

This lovely surname of the three novel-writing sisters, now used as a baby name, makes a fitting tribute for lovers of Jane Eyre and Wuthering Heights. While the original name took an umlaut over the e, modern English speakers may find that more trouble than it's worth (though big fans of the Brontës may well disagree).