Divine or heavenly
Daionna is a modern American elaboration of the name Diana. It likely combines the Latin root 'diviana' with the popular '-onna' suffix, emphasizing a sense of divinity or celestial light.
Less common today
Daionna isn't in the latest US Top 1000. It last peaked at #8,521 in 2000.
US births per 5-year period, 1990βpresent (SSA data).