Family name origins & meanings
- German and Jewish (Ashkenazic) : metonymic occupational name for a maker or seller of mugs and jugs, from Middle High German kruoc ‘jug’, ‘drinking vessel’; alternatively, mostly in southern and eastern Germany, a nickname for a heavy drinker.
- occupational nickname for a tavern keeper, from Krug ‘inn’, ‘tavern’, especially in northern Germany.