Son of Jack; God is gracious
Jaxen is a modern American spelling variation of Jackson. It combines the traditional English patronymic meaning 'son of Jack' with the contemporary 'x' spelling trend, ultimately tracing back to the Hebrew name Yochanan.
Less common today
Jaxen isn't in the latest US Top 1000. It last peaked at #493 in 2013.
US births per 5-year period, 1990βpresent (SSA data).