Smith family

Smith is the surname of a wizarding family that descends from Helga Hufflepuff, one of the founders of Hogwarts School of Witchcraft and Wizardry. Their family heirloom, Helga Hufflepuff's Cup, was stolen from Hepzibah Smith by Tom Marvolo Riddle, who then turned it into one of his Horcruxes. It was eventually destroyed by Hermione Granger, who stabbed it with a Basilisk fang.

Known Family Members

 * Hepzibah Smith — a very wealth witch who was murdered by Tom Riddle
 * Mr. Smith — Zacharias Smith's father
 * Zacharias Smith — a Hufflepuff student at Hogwarts in the 1990s and member of Dumbledore's Army, though he abandoned the D.A. during the Battle of Hogwarts

Etymology
Smith is the most common surname in the United Kingdom and the United States. It originally comes from the Anglo-Saxon word smitan, meaning “to smite” or “to strike”. The occupation smith or blacksmith was derived from this word, and Smith thus became an occupational surname.