Follower of Christ or princess
Teiana is often considered a modern variation of Tiana, which itself is a diminutive of Christiana or Tatiana. It carries the dual associations of 'follower of Christ' from its Latin roots and 'princess' through its popular usage in modern culture.
Less common today
Teiana isn't in the latest US Top 1000. It last peaked at #11,807 in 1997.
US births per 5-year period, 1990βpresent (SSA data).