Modern creation, likely meaning healer or son of Jace
Jaceion is a contemporary American invention. It likely combines the popular name Jace, which is a diminutive of the Greek name Jason meaning 'healer', with the stylish '-ion' suffix found in names like Zion or Orion.
Less common today
Jaceion isn't in the latest US Top 1000. It last peaked at #2,206 in 2016.
US births per 5-year period, 1990βpresent (SSA data).