Unique High-Energy Baby Names

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.

Ivo is an unusual, catchy name with the energetic impact of all names ending in 'o'. Hardly heard in the U.S., it is used a bit more frequently in England, as is the related Ivor, a favorite of such novelists as Evelyn Waugh and P.G. Wodehouse. Ivo is currently most popular in the Netherlands.

Birdie was until recently a middle-aged Ladies' Club member wearing a bird-decorated hat --but now it's just the kind of vintage nickname (think Hattie, Josie, Mamie, Millie) that's coming back into style in a big way. Actress Busy Philipps named her baby Birdie (inspired by First Lady Lady Bird Johnson), as did soap star Maura West.

This hyper-rhythmic name has two evocative references. In Greek mythology, she was an island nymph, a daughter of Atlas, who delayed Odysseus from returning home. It is also a genre of West Indian music, originating in Trinidad and Tobago and largely popularized in the States by Harry Belafonte.

Pippa, a peppy condensation of Philippa that turns it from serious to sprightly, has come into the public eye in a big way via the former Kate Middleton's sister.

From the first time we saw the name Saskia attached to a portrait of Rembrandt's wife (her full name was Saakje van Uylenburgh, but she was always called Saskia), we have found it utterly charming and wondered why it hasn't attracted more fans In this country--she's appreciated by the Brits, who have moved her to Number 392. Saskia is one of those names that's been used in Europe since the Middle Ages, but has never crossed the ocean.

Nash is an English surname whose sound puts it right in step with currently trendy names like Cash, Dash and Ash. It first came to prominence via TV character Nash Bridges, portrayed by Don Johnson in the late nineties, and also via mathematician John Nash, played by Russell Crowe in the acclaimed film A Beautiful Mind.

Indigo is one of the most appealing and evocative of the new generation of color names. Color names have joined flower and jewel names -- in a big way -- and Indigo, a deep blue-purple dye from plants native to India, is particularly striking for both girls and boys. Indigo is the name of a character in the Ntozake Shange novel Sassafrass, Cypress & Indigo, and was used for his daughter by Lou Diamond Phillips.

Rory is a buoyant, spirited name for a redhead with Celtic roots. The name Rory is getting more popular overall, but for the past few years has been trending decidedly toward the boys' side -- however, it's been rising to new heights for girls in recent years.

Xander is a diminutive of Alexander, the Latin variation of the Greek Alexandros. Its meaning, "defending men," is taken from the Greek roots aléxein, "to defend," and andros, "men." Zander, pronounced the same way, is an alternate spelling.

This Latin word used for evening spiritual services was introduced to baby namers by the Eva Greene character Vesper Lynd in the modern James Bond film Casino Royale in 2006, based on the Ian Fleming novel, and is just now beginning to provoke interest among namers, with its spiritual reference and soft, whispery sound.

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.

The jazzy, ultra-cool Dexter, like most names with an "x," has a lot of energy and dynamism.

It's ironic that the name Maverick is not such a maverick anymore. Heard first in a 1950s James Garner western TV series, and then as the Tom Cruise character in Top Gun, Maverick symbolizes an unfettered, free spirit.

Mercer is an attractive possibility which is an occupational name that doesn't sound like one. Mercer and its cool, sophisticated short form Merce project a super creative image via their artistic namesakes.

Quirky in the way that all Q names are quirky, Quincy was once a buttoned-up, patrician New England name, an image countered in recent years by the talented and ultracool musician Quincy Jones (middle name: Delight; nickname: Q).

Hadley, most famous as the name of Ernest Hemingway's first wife, is more sophisticated, professional, and modern than cousins Harley, Haley, or Hayden. The hit book The Paris Wife, a novel by Paula McLain told from the point of view of Hadley Hemingway (born Elizabeth Hadley Richardson), has helped popularize the name, which also appears on the vampire show True Blood. Hadley could become this generation's Hailey. Adley, a mashup of Hadley and Addie, has also appeared on the scene.

Now that many dogs are named Max, it's safe to use this sleek, solid, regal name again for your child. And with the charm of its final x, its regal meaning, and its offbeat simplicity, Rex is definitely one to consider.

Sasha, largely male in Russia--and also spelled Sascha and Sacha--is an energetic name that has really taken off for girls here, chosen by Jerry Seinfeld (using the alternate Sascha spelling) and other celebs. The Barack Obamas use it as the nickname for their younger daughter, whose proper name is Natasha. But in line with a trend toward softer-sounding boys' names like Asher and Joshua and thanks to Borat star Sacha Baron Cohen, Sasha also still has life as a boys' name too--it's popular in France for boys and girls almost equally.

Rudy has a bit of style currency, thanks to the fact that Jude Law used it for his son. It has been consistently in the Top 1000 for as long as Social Security records have been tallied, as opposed to parent name Rudolph, which, perhaps due to the reindeer, hasn't been heard from in some time.