Gracious
Jahanna is a rare variant of Johanna or Joanna, which ultimately derives from the Hebrew name Yochanan. It signifies the belief that God has been gracious or has shown favor. While less common than its counterparts, it retains a rhythmic, international appeal.
Less common today
Jahanna isn't in the latest US Top 1000. It last peaked at #6,461 in 2006.
US births per 5-year period, 1990βpresent (SSA data).