Rare choices that sound familiar and usable

Keaton is an engaging surname with warmth, energy and a sense of humor, identified with silent comedian Buster Keaton and contemporary actors Michael and Diane Keaton. Although rare as a first name, a young Keaton would fit right in with classmates Keenan and Kellen.

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.

One of those names like Pamela, Vanessa and Wendy, Lorna was invented for a particular literary character--the protagonist of the 1869 novel Lorna Doone by R. D. Blackmore--and then perpetuated as the name of a shortbread cookie. The author claimed to have based it on the Scottish place-name, Lorn. In baby name limbo for quite some time, it was chosen by Judy Garland for her younger daughter, Lorna Luft. Lorna Simpson is an important contemporary American artist.

Lyra is a name with ancient and celestial roots that's finding new popularity thanks to its starring role in Philip Pullman's His Dark Materials series, seen in the movie The Golden Compass. Simple yet unique, Lyra hits the sweet spot between too popular and too unusual.

Magnus is a Latin name, literally meaning "greatest," that has a Scandinavian feel. It dates back to Charlemagne being called Carolus Magnus, or Charles the Great. Norwegian king Magnus I, named after Charlemagne, introduced it to his culture, and thus Magnus was the name of six early kings of Norway and four of Sweden. It is still a highly popular name in Denmark and Norway.

This once perfectly respectable surname has suffered decades of abuse, not least by Jerry Lewis's character in the fifties. NFL running back Melvin Gordon stars for the Los Angeles Chargers.

Adventurous parents are starting to look back to names of ancient gods like Mercury, Zeus, and Apollo. This one is also a planet and a metallic element, and has a friendly nickname, Merc. The Roman god Mercury, which derives from the Latin words for trade or wages, is the patron of tradesmen and travelers and the fastest-moving planet in the solar system. Mercury is the planet associated with the sign of Virgo, so this is one of the prime names for Virgo babies.

Strong and solid, with a touch of foreign intrigue, it's the most popular of the rain-related names, with a variety of pronunciations—RAY-na, rah-EE-na, or RY-na. Alternate spellings Reyna and Rayna currently rank higher in the US.

Rainer is one of those baby names that is still under-the-radar but has been quietly gaining traction: The number of boys who've received the name has doubled in the past decade, to just under 50. Part nature name and part traditional German name for boys, Rainer can claim a place among the two-syllable r-ending baby names so fashionable for boys today.

Remy is one of the hottest names today for both boys and girls, sometimes spelled Remi. . It entered the popularity list in 2009 and has quickly become one of the fastest-rising names on the list.

Reuben is derived from the Hebrew words ra’a, meaning "to see, to understand," and ben, "son." As a phrase it translates to "behold, a son." In the Bible, Reuben is Jacob's first-born son by Leah and the founder of one of the tribes of Israel.

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.

Rupert is a charming-yet-manly name long more popular in Britain (where it's attached to a beloved cartoon bear) than in the U.S. Yet we can see Rupert as a more stylish, modern way to honor an ancestral Robert.

Serena, a name used since Roman times, was given fresh life by tennis star Williams, and then again with the leading character on Gossip Girl, Serena van der Woodsen. There have also been Serenas on soap operas and other shows from Bewitched to Law & Order.

Signy — also spelled Signe — would make another distinctively offbeat alternative to Sydney. Signy appears in Norse mythology as the twin sister of Sigmund.

Thaddeus, a distinguished, long-neglected name, has several areas of appeal: a solid New Testament legacy, a nice antique feel, and the choice of several more modern nicknames and international variations.

Immigrated into American pop culture in the person of 1940s superstar Tyrone Power, Jr. It has been on a steady decline since the 1970s.

If you love Puritan virtue names and want to move beyond Hope and Faith and Grace, this is a wonderful choice, both for its meaning and its sound. A rare find here, though occasionally heard in England. It was used in Winston Graham's Poldark novels, was Madonna's name as James Bond's fencing instructor in Die Another Day, and made a brief appearance in Harry Potter. Not to mention being a fixture on British and Australian soaps. Verity also appears in one of Agatha Christie's Miss Marple mysteries.

Wilfred is one of those Old Man Names that still sounds fusty in the US but is fashionable in the UK. It comes with readymade short forms Will or Fred and might make an adventurous alternative to the ubiquitous William. The central character of Walter Scott's Ivanhoe is the knight Wilfred of Ivanhoe. Wilfred Owens was a well-known British poet.