For Stuhrmann there are 23 on Yasni with different names.
Among the most common last names on Yasni Stuhrmann is on position 4504.
As I understand it is in the name for a North German name and the name comes from Steurmann, so the helmsman on a ship. This was then modified in Stuhrmann.
(Sent from: Gerd-Dieter Stuhrmann)