It refers to "All Arian" more or less meaning completely superhuman.
As a name it is a combination of the french name "Alair" which means "Cheerful, precious" and the name Ian of Scottish and Gaelic origin. The meaning of Ian is "God is gracious".
The name Alarian reminds us of all that life is about.
Some say that a person bearing the name Alarian is the currently living incarnation of God.