Gracious
A modern American creation, likely formed by combining the popular prefix 'Da-' with the Hebrew name Shanna or Anna. It carries the traditional meaning of divine favor or grace, common to the 'Anna' family of names.
Less common today
Dashanna isn't in the latest US Top 1000. It last peaked at #9,192 in 1992.
US births per 5-year period, 1990βpresent (SSA data).