Gracious
Evaan is a modern variation of Evan, which is the Welsh form of John. It shares the same etymological roots meaning 'God is gracious' and is often chosen for its unique double-vowel spelling.
Less common today
Evaan isn't in the latest US Top 1000. It last peaked at #2,624 in 2019.
US births per 5-year period, 1990βpresent (SSA data).