Lioness
Laionna is a modern American invention, likely a creative elaboration of the name Leona. It derives from the Latin word 'leo', meaning lion, and is intended to evoke the strength and grace of a lioness.
Less common today
Laionna isn't in the latest US Top 1000. It last peaked at #12,223 in 2018.
US births per 5-year period, 1990βpresent (SSA data).