Last name OTTO: origin and meaning

Otto : German Danish Swedish and Dutch; Hungarian (Ottó): from the personal name Otto a short form of ancient Germanic compound names based on the element aud ōd ‘wealth prosperity’ (see also Ott). The name Otto was a hereditary name in the Saxon ruling house as well as being borne by Otto von Wittelsbach who founded the Bavarian ruling dynasty in the 11th century and the 12th-century Saint Otto of Bamberg apostle of Pomerania.

Source : DAFN2 : Dictionary of American Family Names 2nd edition, ©2022 by Patrick Hanks and Oxford University Press
FANBI : The Oxford Dictionary if Family Names in Britain and Ireland, ©2016, University of the West of England

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