> German: nickname from Middle High German schallære ‘braggart orator babbler’. It is also found in Czechia. Jewish (eastern Ashkenazic): from an agent derivative of German schallen ‘to sound’ one of the surnames based on the German vocabulary words that were randomly assigned by Austrian clerks to Jews of the Habsburg Empire. Germanized form of Slovenian Žalar (see Zalar ) and of its variant Žaler.
https://twitter.com/paulwaldman1/status/1122893457037647872
https://twitter.com/paulwaldman1/status/545952474646212609
https://www.ancestry.co.uk/name-origin?surname=schaller
> Schaller
> German: nickname from Middle High German schallære ‘braggart orator babbler’. It is also found in Czechia. Jewish (eastern Ashkenazic): from an agent derivative of German schallen ‘to sound’ one of the surnames based on the German vocabulary words that were randomly assigned by Austrian clerks to Jews of the Habsburg Empire. Germanized form of Slovenian Žalar (see Zalar ) and of its variant Žaler.