Gracious
Jaasia is a modern American invention, likely a creative blend of the prefix 'Ja-' and the name Asia, or a variation of the Hebrew name Jane or Jasia. It is often interpreted through its phonetic roots to mean 'God is gracious' or 'life'.
Less common today
Jaasia isn't in the latest US Top 1000. It last peaked at #8,834 in 2005.
US births per 5-year period, 1990βpresent (SSA data).