Combination name, possibly meaning God is gracious or gift
Shanisha is a modern American blended name. It likely combines the prefix 'Sha-' with the name Nisha, which has Sanskrit roots meaning 'night', or it may be a creative elaboration of Jane or Shanice, which derive from John, meaning 'God is gracious'.
Less common today
Shanisha isn't in the latest US Top 1000. It last peaked at #4,052 in 1992.
US births per 5-year period, 1990βpresent (SSA data).