Likely a modern elaboration of Javy or Xavier
Javius is a contemporary American invention, likely created by combining the popular 'J' initial with the Latinate suffix '-ius'. It is often viewed as a creative extension of names like Javy, Javier, or Octavius, giving it a rhythmic, classical sound despite its modern roots.
Less common today
Javius isn't in the latest US Top 1000. It last peaked at #4,958 in 1990.
US births per 5-year period, 1990βpresent (SSA data).