Divine or valley
A modern American coinage likely blending the Latin-derived 'Dea' (goddess) with the suffix '-auna'. It may also be interpreted as a variant of Deanna, which combines the Roman goddess Diana with the Old English word for valley.
Less common today
Deauna isn't in the latest US Top 1000. It last peaked at #9,341 in 1997.
US births per 5-year period, 1990βpresent (SSA data).