Gracious lake or weary
Leannah is a modern elaboration of Leah or a combination of Lee and Anna. It likely draws from the Hebrew 'Leah' meaning 'weary' or the combination of the English 'Lee' (meadow) and 'Anna' (grace).
Less common today
Leannah isn't in the latest US Top 1000. It last peaked at #6,577 in 2011.
US births per 5-year period, 1990βpresent (SSA data).