Lucas is a Top 10 boys' name with a slightly-less-popular almost-identical twin brother, Luke. Like Elijah and Elias, Lucas and Luke come from the same root and have the same meaning and so feel even more popular than they are.

Gabriel is a Biblical favorite, an angelic choice that's lighter and less patriarchal than some of his Old Testament brethren. Derived from the Hebrew name Gavri'el, Gabriel combines the elements elements gever, meaning "strong," and 'el, in reference to God.

Alexander has been in a Top 25 boys' name in the US for 30 years now. But namers are still attracted to its imposing historic pedigree.

Nathan is an Old Testament name that's ranked among the Top 100 names for boys for 50 years, and could well stay there for another 50. Strong, solid, and attractive, It's a name familiar to every schoolchild through Nathan Hale, the Revolutionary War spy.

Dominic comes from the Latin name Dominicus and is common in the Roman-Catholic community. In the past it has been given to boys born on Sunday—the word "Sunday" in languages including Spanish and French shares Dominic’s roots. In use in the English-speaking world since medieval times, its most famous bearer was St. Dominic, founder of the Dominican order of monks in the thirteenth century.

Xavier originated is use as a given name after Saint Francis Xavier, cofounder of the Jesuit order, who got his name from the Spanish-Basque village where he was born. His birthplace was Javier, the name of which was derived from the Basque place name Etxeberria, meaning "castle" or "new house."

More and more frequently heard as the Gallic version of Oliver, Olivier could be seen as a tribute to the great British actor, Sir Laurence O.

An everyday name in France, a charismatic possibility elsewhere, Guillaume is a French form of the classic Germanic William. It's heyday was back in the 1980s and 90s, when it ranked in the French Top 10 and the Belgium and Quebec Top 20, though more recent years have seen it drop from the popularity charts.

What's the difference between Alexander, the usual English spelling of this deeply classical name, and Alexandre, the French version? English speakers might find the proper French pronunciation challenging: a-lehk-SAHN-dreh, but that last syllable is barely pronounced. Americans might an an a or an ee on the end of the name, or simply pronounce it as Alexander, for better or worse.