Respuesta :
smith can be any maker but particularly refers to one who works in metals. A blacksmith is usually one who forges iron, while a whitesmith or tinsmith works with tin or other lighter materials. The word smith derives from Old English and is probably a cousin to the Greek word for a wood-carving knife.
mason
the last name mason comes from the job of a construction worker, specifically a stone/concrete one.
the last name mason comes from the job of a construction worker, specifically a stone/concrete one.