Yopp

This ancient English surname of YOPP was a nickname for a clever or cunning person, derived from the Old Norman personal name YAP, and rendered in Old English as GEAP. The name is also spelt YAPPE, YOPPE, YAP and YAPE. The earliest of the name on record appears to be Richard YAP, who was recorded in Northumberland in the year 1200, and Edwin YAPE of Yorkshire, was listed in the Yorkshire Poll Tax of 1379.