Gracious
Keonna is a modern American name, likely a blend of the prefix 'Ke-' and the name 'Donna' or a variation of the Irish name 'Keanna'. It is often interpreted as a feminine form of John, meaning 'God is gracious'.
Less common today
Keonna isn't in the latest US Top 1000. It last peaked at #1,636 in 1995.
US births per 5-year period, 1990βpresent (SSA data).