Wagon maker or craftsperson
Waynesha is a modern American creation, likely formed by combining the English name Wayne with the popular suffix -sha. Wayne itself is an occupational surname referring to a wagon driver or builder. This feminine elaboration follows a naming pattern common in African American communities during the late 20th century.
Less common today
Waynesha isn't in the latest US Top 1000. It last peaked at #7,494 in 1992.
US births per 5-year period, 1990βpresent (SSA data).