Probably a spelling variant of Ian or Eian, ultimately from John, meaning God is gracious through Hebrew roots.
Eeyan is probably a spelling variant of Ian or Eian, ultimately tied back through John to the Hebrew root meaning God is gracious. That makes it part of one of the most enduring name families in the Christian tradition, even if the modern spelling is unusually shaped.
The familiar meaning remains beneath the contemporary form. What distinguishes Eeyan is its stylized look and softened sound. It feels youthful, current, and a little inventive, while still carrying the dependable history of John-derived names.
That combination is common in modern naming, where parents want a recognized root but a fresher surface. Eeyan has that balance: familiar in spirit, but unusual enough to stand apart in a crowd.