Follower of Christ and grace
A modern compound name blending the Greek-derived Christy with the Hebrew-derived Anna. It combines the religious significance of 'follower of Christ' with the classic meaning of 'grace' or 'favor'.
Less common today
Christyanna isn't in the latest US Top 1000. It last peaked at #10,117 in 2010.
US births per 5-year period, 1990βpresent (SSA data).