Gracious
Shanyiah is a modern American creation, likely formed by blending the prefix 'Shan-' with the popular suffix '-iah'. It is often interpreted as a variant of Shania or a feminine elaboration of names like Shane or Josiah, carrying the Hebrew-derived meaning of divine grace.
Less common today
Shanyiah isn't in the latest US Top 1000. It last peaked at #10,946 in 2011.
US births per 5-year period, 1990βpresent (SSA data).