For Kusak there are 121 on Yasni with different names.
Among the most common last names on Yasni Kusak is on position 4406.
It is very possible that the name " Kusak", derives from a version of the English word "Cossack", an elite group of Czarist cavalry, originally attributed to Webster's Encyclopaedic Unabridged Dictionary, as Slavic peoples "kazak" , also a Turkish tribal name.
(Sent from: G.O. Boyo, BA91 DU)