Possibly a combination of Sherman and Lamar
Shermar is a modern American invention, likely created by blending the English surname Sherman, meaning 'shearer of cloth,' with the French-derived Lamar, meaning 'of the sea.' It emerged in the late 20th century as a unique rhythmic choice within African American naming traditions. Because it is a contemporary coinage, it lacks a singular ancient etymology.
Less common today
Shermar isn't in the latest US Top 1000. It last peaked at #5,692 in 2002.
Emmy-winning actor known for Criminal Minds and S.W.A.T.
US births per 5-year period, 1990βpresent (SSA data).