Joyful or alive
Laysha is likely a modern phonetic variant of the Arabic name Aisha, meaning alive or well-living, or a derivative of the name Lael, meaning belonging to God. In some contexts, it is used as a creative American coinage blending popular sounds like 'Lay' and 'Sha'.
Less common today
Laysha isn't in the latest US Top 1000. It last peaked at #1,920 in 2004.
US births per 5-year period, 1990βpresent (SSA data).