Onstad Family History
Onstad Name Meaning
Norwegian: habitational name from the name of any of seven farmsteads mainly in the southeast most of them with names formed from any of various Old Norse personal names + stathir ‘farmstead’ as for example Augunarstathir from the personal name Authun (from Auth ‘wealth’ + un ‘friend’). Probably an altered form of German Amstad a topographic name from Middle Low German am ‘at the’ + stade ‘bank shore’.
Source: Dictionary of American Family Names 2nd edition, 2022