Unknown; possibly a modern American invention
Kiosha is a modern American name with no definitive etymological root. It likely emerged in the late 20th century as a creative variation of names like Keisha or Kiana, blending popular phonetic elements. Because it lacks a clear historical lineage, its meaning is generally considered to be defined by the family who chooses it.
Less common today
Kiosha isn't in the latest US Top 1000. It last peaked at #5,028 in 1990.
US births per 5-year period, 1990βpresent (SSA data).