Unknown; likely a modern variant of Jade or Javier
Jadier is a modern American name with unclear etymology. It is often interpreted as a masculine elaboration of the gemstone name Jade or a phonetic variation of the Spanish name Javier, which means 'new house'.
Less common today
Jadier isn't in the latest US Top 1000. It last peaked at #7,567 in 2007.
US births per 5-year period, 1990βpresent (SSA data).