Lass Family History
Lass Name Meaning
North German: variant of Laas . German: from a short form of Lorenz or a nickname from Middle Low German las lasch ‘tired weak’ Middle High German laʒ ‘indolent’. Jewish (Ashkenazic): variant of Las . English: nickname from Middle English lesse lasse ‘smaller’ (from Old English lǣssa ‘less’) perhaps also used in the sense ‘younger’.
Source: Dictionary of American Family Names ©2013, Oxford University Press