Gracious
Xain is a modern creative spelling of the name Zane or Zayn. It ultimately derives from the Hebrew name Yochanan, meaning 'God is gracious,' though its current usage is often influenced by Arabic roots meaning 'beauty' or 'grace.'
Less common today
Xain isn't in the latest US Top 1000. It last peaked at #7,538 in 2019.
US births per 5-year period, 1990βpresent (SSA data).