998+ Unique, Rare, and Uncommon Boy Names (with Meanings and Origins)

This nickname was given often enough as a standalone to land it in the Top 1000 from 2010—2013.

This nickname was given often enough as a standalone to land it in the Top 1000 from 2010—2013.

The two X's may be a challenge for even the most intrepid baby namer. Xerxes was the name of two early kings of Persia and the Handel opera Serse or Xerxes is loosely based on Xerxes I.

Ellery is a rhythmic three-syllable boy's name that is familiar and yet rarely used--and just waiting to be discovered. It's long been identified with Ellery Queen--which was both the pen name of two cousins, Frederic Dannay and Manfred B. Lee, and the detective they created.

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.

Amatus is an ancient Roman name in the "Ama" family of names whose meanings relate to love -- they range from Amy to Amity to Amias to Amoret and Amatus.

Properly spelled with a fada in Gaelic (Faolán), this name is the origin of the Irish surname Phelan. It derives from the Gaelic fáel "wolf", plus a diminutive suffix, making this a handsome hidden nature name.

A somewhat solemn appellation, Anselm is a saint's name, connected to the twelfth century archbishop of Canterbury, and in modern times tied to the German neo-expressionist painter Anselm Kiefer.

Maro is an ancient saints' name -- he was an Italian follower of St. Flavia and was martyred -- rarely used in modern life. The name Maro may stem from the Roman Marcellus, related to Mars, the god of war, or it may be a feminine form of Maria, connected with Mario. Maro is also a Japanese name meaning "myself."

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.

Adlai is an Old Testament name long associated with 1950's liberal presidential candidate Stevenson, who was named after his grandfather, who was Grover Cleveland's vice president in the nineteenth century. Now it's an unusual Biblical choice ripe for rediscovery.

Forget the furry blue Muppet, forget corpulent President Cleveland (not too difficult), and consider this name anew. We think it's spunky, a little funky, and well worth a second look.

A jaunty offshoot of Sullivan, Sully will be associated by kids with the beloved character in the Pixar animated film Monsters, Inc. Some notable real-life namesakes are French poet and essayist Sully Prudhomme, the heroic pilot "Sully" Sullenberger, and Sully Erna, lead vocalist of Godsmack.

The Koi is a variety of carp especially popular in ornamental gardens in Japan, where they are a symbol of good fortune. In Buddhist culture, the koi is associated with courage. Being one letter away from trendy Kai boosts its prospects as a cool unisex name.

Barnabas, whose birth name was Joseph, was one of the earliest Christian disciples in Jerusalem, who undertook missionary journeys with Paul the Apostle, His name is a bit Old World compared to the update Barnaby, but could gain some attention as boys' names ending in 's' are enjoying a comeback.

Octavius, which was at one time used for the eighth child in a family, has the worn leather patina of all the ancient Roman names now up for reconsideration. As a Roman family name, it derives from the uncommon forename Octavus, which designated an eighth son.

This popular Turkish name has a very on-trend sound and is familiar to English speakers thanks to Orson Scott Card’s sci-fi novel Ender’s Game. The book has recently been turned into a movie, starring Asa Butterfield as Andrew "Ender" Wiggin.

This name of an old Hollywood nightclub still retains a spark of glamour.

Lux, one of the light-filled names that include Lucy and Lucian, broke onto the scene as a girls' name but now it's decidedly gender neutral. In fact, at the last count there were slightly more boys named Lux than girls: 140 to 120. But that's pretty close, making this a truly nonbinary name.

Cyan is a highly unusual blue-green color name, a classmate of Celadon and Cerulean. It does come with the homey nickname Cy.