For Kupinski there are 19 on Yasni with different names.
Among the most common last names on Yasni Kupinski is on position 4508.
Kupinski surename is taken from surename Kupin witch is old polish nobles surename with swan on the shield, in 16 century the Kupins surename was converted to Kupinski. They was owning some small villages in the middle ages, named Kupin, and the last one Kupinin witch is still owned by them, but ownership split in to many families about the same surname.
(Sent from: Kupinski)