Modern invented name, likely meaning hill or twin
Tavionna is a modern American creation, likely formed by combining the prefix 'Ta-' with the name Vionna or as a feminine elaboration of Tavion. It may draw etymological roots from the Gaelic 'tavish' meaning twin or the English surname Tavy, referring to a river or hill.
Less common today
Tavionna isn't in the latest US Top 1000. It last peaked at #11,377 in 1999.
US births per 5-year period, 1990βpresent (SSA data).