Unknown; likely a modern American blend
Antavia is a modern American invention, likely created by combining the prefix 'An-' with the name Octavia. While it does not have a traditional etymological root, it follows the rhythmic patterns of Latinate names and is often chosen for its unique, melodic sound.
Less common today
Antavia isn't in the latest US Top 1000. It last peaked at #7,389 in 2000.
US births per 5-year period, 1990βpresent (SSA data).