Names That Mean King

This spirited Gaelic classic, which became popular in Ireland via the illustrious twelfth century king Rory O'Connor, makes a highly energetic choice, now used for either sex. Rory's gender split is still trending boyward; it's one of the coolest boys' names starting with R.

Ryan’s use as a given name was inspired by the surname Ryan, a variation of the Irish O’Riain meaning "son of Rían." Rían is composed of the Irish-Gaelic elements rí, meaning "king" and an, a diminutive suffix. Ryan is considered a unisex name in the US, where variant spellings Ryann and Ryanne are also valid for girls.

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.

Makaveli was an alias of Tupac Shakur — his posthumous album, The Don Killuminati: The 7 Day Theory, was released under the pseudonym. The album was released in 1996, following his death, and the next year Makaveli debuted on the baby name charts after being given to 11 baby boys.

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.

Zeno, the name of two ancient philosophers, has a muscular dynamism that's lightened by its cheerful final vowel, resulting in a kind of offbeat sci-fi feel. Zeno of Citium was the founder of the Stoic school of thought, Zeno of Elea was another early, original Greek thinker, famed for his Paradoxes.

This evocative name of one of the Three Wise Men of the Orient, also spelled Balthasar, may finally be ready for prime time. Balthazar, Melchior and Caspar were the Magi who brought gifts of gold, frankincense and myrrh to the baby Jesus, though their names were not mentioned in the Bible.

It may seem like an indecisive cross between Roy and Reece, but Royce was fairly popular in the 1930s and '40s. It has seen a resurgence in recent years, helped by some well-known athlete bearers. The Latin pop singer Prince Royce also has brought renown to the name. And some aspirational parents may see the name as a way to associate with the Rolls-Royce brand.

We've seen Ray regain his cool, but could this country/cowboy name epitomized by Roy Rogers (born Leonard Slye), Acuff, and Clark, do the same?

A strong, straightforward Irish unisex surname, with a merry glint in its eye, Reagan has been leaping up the popularity lists, to become one of the top girl names starting with R. Some will inevitably link it to President Ronald, but spell it Regan and it's a Shakespearean name: a daughter of King Lear.

Simple and yet distinctive, Ara is a mythological name of a famously handsome king. Although it originated as a boys' name, in the contemporary US, it's now much more commonly used for girls.

Known for being the name of Simba's father in the Lion King.

Aariv is connected to the Hindu god Krisha, who represents wisdom.

Leroy's heyday was in the early twentieth century, when it was in the US Top 100 until 1949. As a result, it's now more frequently seen as a father or grandfather name rather than a viable newborn option. Though it has dropped off the popularity charts several times in recent years, it hasn't fallen into complete obscurity yet.

More authentic and original form of Ryan, but far less common of the two spellings.

Balthasar was one of the biblical Three Kings who visited the infant Jesus, also used by Shakespeare and in the oil-rich Getty family; offbeat and intriguing. Balthazar is another, equally appropriate spelling.

An affectionate-seeming name from a Slavic culture.

Actress Sigourney -- born Susan -- Weaver made this unusual name (which she found in The Great Gatsby) famous, if not popular.

Like somewhat more popular twin sister Reagan, this vibrant last-name-first Irish choice makes a strong, straightforward option.

Rey, a Ray-soundalike that has ranked on the boys' side for the past 15 years, is about to get more popular for girls too, now that it's the name of the new heroine of the latest Star Wars movie. While the sound of the name is nothing new, the royal connection is, joining names such as Reign (Kardashian) and Charlotte (the new Princess) in an expansive definition of royal baby names.