Unknown; likely a modern American creation
Eriyonna is a contemporary American name with no singular established etymology. It is likely a creative elaboration of names like Erin or Eriana, possibly influenced by the 'yonna' suffix found in names like Ayonna or Deshonna. Because of its modern roots, it is often chosen for its melodic sound rather than a traditional historical meaning.
Less common today
Eriyonna isn't in the latest US Top 1000. It last peaked at #11,186 in 2009.
US births per 5-year period, 1990βpresent (SSA data).