For Bürki there are 89 on Yasni with different names.
Among the most common last names on Yasni Bürki is on position 4438.
Bürki has to do with the castle, diminutives Bürki or Bürgi The Bürkli Bürki seems to be a follower of a castle lord, Baron may have to be administrator of the castle tower warden or the like.
(Sent from: Markus Bürki, Schlosswil)