The name Xavior is a variant spelling of the name Xavier, which has its origins in the Basque region of Spain and France. The name is derived from the Basque word "etxe" meaning "house" and the suffix "-berri" meaning "new," combined to form "etxeberri" or "new house."

The name Xavier gained prominence in the 16th century with the Catholic missionary St. Francis Xavier, who was born in 1506 in the Basque region of Spain. St. Francis Xavier's missionary work in Asia, particularly in India and Japan, helped spread the name throughout the world. The name became popular among Catholics and other Christian denominations as a way to honor the saint's legacy.

One of the earliest recorded instances of the name Xavier can be found in the writings of the 16th-century Portuguese historian João de Barros, who mentioned a man named Xavier in his work. Another early reference to the name is found in the records of the Jesuit order, which St. Francis Xavier belonged to.

Throughout history, there have been several notable individuals who bore the name Xavior or its variant spellings. One of the most famous was Blessed Miguel Pro, a Mexican Jesuit priest who was executed in 1927 during the Cristero War for his religious activities. Another notable figure was Xavier Villaurrutia, a Mexican poet and playwright who lived from 1903 to 1950.

In the field of science, Xavior Barriga was an Ecuadorian botanist and explorer who lived from 1928 to 1998. He was known for his extensive work in cataloging the flora of Ecuador. Additionally, Xavior Holman was an American mathematician who made significant contributions to the field of algebraic topology in the mid-20th century.

In the world of sports, Xavior Woods was an American basketball player who played in the NBA in the 1990s and early 2000s. He was known for his defensive skills and won an NBA championship with the Detroit Pistons in 2004.

These are just a few examples of notable individuals throughout history who have borne the name Xavior or its variant spellings. While the name has its roots in the Basque region and was popularized by St. Francis Xavier, it has since been adopted and used by people of various cultures and backgrounds around the world.