Waite Name Meaning
English: occupational name for a watchman, Anglo-Norman French waite (of Germanic origin; compare Wachter), or from the same word in its original abstract/collective sense, ‘the watch’. There may also have been some late confusion with White.
Sauer Name Meaning
German and Jewish (Ashkenazic): nickname for an embittered or cantankerous person, from Middle High German sur, German sauer ‘sour’.
Sweet Name Meaning
English (most common in the West Country): nickname from Middle English swete ‘sweet’, ‘pleasant’, ‘agreeable’. The Old English bynames Swet(a) (masculine) and Swete (feminine) derived from this word survived into the early Middle English period, and may also be sources of the surname.Translation of German and Jewish (Ashkenazic) Suess.In New England, a translation of French Ledoux.
I don't think that it's very likely, but I keep running into slightly odd names in my family tree that make me think that I might have some Jewish ancestors.