A modern variation of Tavis, meaning twin
Tavist is a rare modern elaboration of the Scottish name Tavis, which is a derivative of Thomas. It ultimately traces back to the Aramaic word for twin. While extremely uncommon, it follows the trend of adding a 't' suffix to established surnames or given names.
Less common today
Tavist isn't in the latest US Top 1000. It last peaked at #4,019 in 1993.
US births per 5-year period, 1990βpresent (SSA data).