Son of Jack; God is gracious
Jaxyn is a modern creative spelling of Jackson or Jaxon. It ultimately derives from the name Jack, a diminutive of John, which comes from the Hebrew name Yochanan meaning 'God is gracious'.
Less common today
Jaxyn isn't in the latest US Top 1000. It last peaked at #1,554 in 2016.
US births per 5-year period, 1990βpresent (SSA data).