Ancient, enduring, or God is gracious
Kianny is a modern elaboration of the name Kiana or Kian. It likely blends the Persian and Irish roots of Kian, meaning 'ancient', with the rhythmic suffix '-ny', or functions as a variant of the Hawaiian Kiana, meaning 'divine'.
Less common today
Kianny isn't in the latest US Top 1000. It last peaked at #11,577 in 2016.
US births per 5-year period, 1990βpresent (SSA data).