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."

X marks the spot in names these days, usually at the middles or ends of names, but here is one that puts it squarely up front.

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.

The name of a Christian saint and a city in Ohio, Xenia is one of the more accessible and intriguing x names. It is the name of one of the Bond Girls--played by Famke Janssen in the film "GoldenEye."

This name of the first recorded dynasty of ancient China is short and simple enough to make a possible Asian-American alternative to Mia and Tia. British-Filipino child star Xia Vigor has invigorated the name in the Philippines.

Famous as the long-suffering wife of the philosopher Socrates.

Xaviera is one of the most intriguing and rarest female forms of a male name. Only a handful of baby girls are named Xaviera in the US each year, compared with nearly 3500 baby boys named Xavier.

A yellowish chemical compound that produces fluorescent dyes ranging from bright yellow to hot pink to flaming red -- but as a name sounds glaringly sci-fi.

The initial X is pronounced like a Z. Confusing? Potentially. But there are enough Alexandras and Xanders through the Western World these days that this spelling wouldn't seem outlandish.