The English surname Fewster is ultimately of Norman French origin and was  brought to England at the time of the Norman invasion in the 10th and 11th Centuries. The name Fewster is derived from the old French term fustier meaning " a block of wood ". The name would have been used as an occupational name fro someone who chopped wood or sold wood. Today there are approximately 150 bearers of the surname Fewster living in The United States.