Combination name; possibly meaning of or follower of
Demisha is a modern American invention, likely created by combining the popular prefix 'De-' with the name Misha. While Misha is a Russian diminutive of Michael (meaning 'who is like God?'), in this context it functions as a rhythmic, contemporary coinage without a singular ancient root.
Less common today
Demisha isn't in the latest US Top 1000. It last peaked at #6,461 in 1993.
US births per 5-year period, 1990βpresent (SSA data).