Divine or valley
Deona is a rare feminine name with two likely etymological paths. It is often considered a variant of Diana, the Roman goddess of the moon and hunting, meaning 'divine'. Alternatively, it may be a feminine elaboration of the English surname Dean, which refers to a valley.
Less common today
Deona isn't in the latest US Top 1000. It last peaked at #3,172 in 1995.
US births per 5-year period, 1990βpresent (SSA data).