Combination of Shelly and Lisa
A modern American coinage likely created by blending the names Shelly, meaning 'clearing on a bank', and Lisa, a diminutive of Elizabeth meaning 'pledged to God'. It emerged in the mid-20th century as part of a trend of creating unique feminine names through phonetic blending.
Less common today
Shelisa isn't in the latest US Top 1000. It last peaked at #5,507 in 1991.
US births per 5-year period, 1990βpresent (SSA data).