Wise, Wiseman Surname and variants

Wise
English: nickname for a wise or learned person, or in some cases a nickname for someone suspected of being acquainted with the occult arts, from Middle English wise ‘wise’ (Old English wis). This name has also absorbed Dutch Wijs, a nickname meaning ‘wise’, and possibly cognates in other languages.
Americanized form of German and Jewish Weiss ‘white’.

Dictionary of American Family Names, Oxford University Press, ISBN 0-19-508137-4

Weiss
German and Jewish (Ashkenazic): nickname for someone with white hair or a remarkably pale complexion, from Middle High German wiz ‘white’, German weiss.
German: variant of Weis.
German: habitational name from any of various places named Weis(s) or Weissen.
German: from a short form of a Germanic personal name formed with wig ‘battle’ or widu ‘wood’ as the first element.

Dictionary of American Family Names, Oxford University Press, ISBN 0-19-508137-4

Weis
German: nickname from Middle High German wis(e) ‘wise’, ‘clever’, ‘experienced’, Middle Low German wis.
Respelling of German and Jewish Weiss.

Dictionary of American Family Names, Oxford University Press, ISBN 0-19-508137-4

Wiseman
English and Scottish: nickname for a wise man, from Wise + man ‘man’.
Americanized spelling of German Weismann.

Dictionary of American Family Names, Oxford University Press, ISBN 0-19-508137-4

Weismann
German: nickname from Middle High German wis(e) ‘wise’, ‘clever’, ‘experienced’ + man ‘man’.
Jewish (Ashkenazic): variant spelling of Weissmann.

Dictionary of American Family Names, Oxford University Press, ISBN 0-19-508137-4

Weissmann
German: from Weiss, with the addition of Middle High German man ‘man’.
Jewish (Ashkenazic): nickname for someone with white hair or a pale complexion, from German weiss ‘white’ + Mann.

Dictionary of American Family Names, Oxford University Press, ISBN 0-19-508137-4