Gracious
Iyonnah is a modern American phonetic variant of Ayanna or Joanna. While its specific spelling is contemporary, it likely draws its roots from the Hebrew name Yochanan, meaning 'God is gracious'. It is often chosen for its melodic, multi-syllabic sound and unique visual appeal.
Less common today
Iyonnah isn't in the latest US Top 1000. It last peaked at #9,862 in 2000.
US births per 5-year period, 1990βpresent (SSA data).