Gracious
Janiya is a modern American creation, likely formed by combining the prefix 'Ja-' with the name Aniya. It is often interpreted as a variant of Jane or Janaiya, ultimately tracing back to the Hebrew name Yochanan, meaning 'God is gracious'.
Less common today
Janiya isn't in the latest US Top 1000. It last peaked at #362 in 2008.
US births per 5-year period, 1990βpresent (SSA data).