North German and Dutch: from an Old Frisian personal name
Douwo.South German: from Davo, a short form of the
personal name Tavold, formed with Old High German dau
‘custom’, ‘tradition’.Vietnamese: unexplained.
Dictionary of American Family Names, Oxford University Press, ISBN 0-19-508137-4
53,391
Historical Documents & Family Trees with Dau
The information for this chart came from the U.S. Immigration Collection at Ancestry.co.uk.
You can find out where the majority of the Dau families were living before
they immigrated to the U.S and learn where to focus your search for foreign records.
Immigration records can tell you an ancestor's name, ship name, port of departure,
port of arrival, and destination.