Light, oak tree, or God has answered
Elonna is a rare name with multiple potential etymological paths. It is often considered a variant of Alona, a Hebrew name meaning 'oak tree', or a variation of Eliana, meaning 'God has answered'. Some also associate it with the Greek 'Helen' lineage, relating to 'shining light'.
Less common today
Elonna isn't in the latest US Top 1000. It last peaked at #8,286 in 2015.
US births per 5-year period, 1990βpresent (SSA data).