The name Jullian is a variant spelling of the Roman name Julian, which is derived from the ancient Roman family name Julianus. This name can be traced back to the Latin word "iulius," meaning "downy-bearded" or "youthful."

The Julian family was one of the most prominent and influential families in ancient Rome, and its members played a significant role in shaping the course of Roman history. The name Julian gained widespread recognition and popularity during the reign of the Roman emperor Julian the Apostate (331-363 AD), who was known for his efforts to revive traditional Roman religion and culture.

In the early centuries of Christianity, the name Julian was associated with several notable figures, including Saint Julian of Anazarbus (3rd century AD), a Christian martyr and saint, and Julian of Norwich (1342-1416), an English mystic and author of the influential work "Revelations of Divine Love."

Jullian, as a variant spelling, emerged in various regions and cultures over time. One of the earliest recorded instances of this spelling can be found in the works of the French playwright Pierre Corneille (1606-1684), who wrote about a character named Jullian in his play "Le Menteur" (The Liar).

Throughout history, several notable individuals have borne the name Jullian. Examples include Jullian Gonzalez (1935-2016), a Puerto Rican baseball player who played for the Cincinnati Reds and the Philadelphia Phillies in the 1960s; Jullian Savea (born 1992), a New Zealand rugby player; Jullian Herridge (born 1995), a Canadian football player; Jullian Tavarez (born 1999), a Dominican professional baseball player; and Jullian Michaels (born 1974), an American personal trainer and television personality known for her appearances on "The Biggest Loser."

While the name Jullian may have evolved as a variant spelling, its roots can be traced back to the ancient Roman world and the influential Julian family. Over the centuries, the name has been carried by individuals from various cultures and backgrounds, contributing to its enduring legacy and historical significance.