RoachEnglish From Middle English and Old French roche meaning "rock", from Late Latin rocca, a word that may be of Celtic origin. It indicated a person who lived near a prominent rock, or who came from a town by this name (such as Les Roches in Normandy).
SawyerEnglish Occupational name meaning "sawer of wood, woodcutter" in Middle English, ultimately from Old English sagu meaning "saw". Mark Twain used it for the main character in his novel The Adventures of Tom Sawyer (1876).
SlaterEnglish Occupational name indicating that an early member worked covering roofs with slate, from Old French esclat "shard", of Germanic origin.
TafaniItalian From the nickname tafano meaning "gadfly", indicating an annoying person.