Gracious
Shiana is often considered a modern phonetic variant of the name Shana or Cheyenne. While its roots are debated, it is most frequently linked to the Hebrew name Jane or Shana, meaning 'God is gracious,' or interpreted as a creative elaboration of the Irish Sian.
Less common today
Shiana isn't in the latest US Top 1000. It last peaked at #3,864 in 1999.
US births per 5-year period, 1990βpresent (SSA data).