For Schuff there are 75 on Yasni with different names.
Among the most common last names on Yasni Schuff is on position 4452.
Name is almost certainly the craft of wine-growers. It uses a so-called Schuff s for hoeing, earthing up or growing of vines (not so well known is the notion of "Schuff enhauers")!
(Sent from: helschuff@aol.com)