Otto Family History
Otto Surname Meaning
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 and 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: Dictionary of American Family Names 2nd edition, 2022