where did the name prosser originate
The Welsh Origin of the Prosser Surname. The Welsh surname Prosser is derived from the old given name Roger. Roger is a continental Germanic given name consisting of the Old High German 1 elements hrod âfameâ and gar âspearâ ...hence, famous spear 2.here are two etymologies for the surname Prosser, one Welsh and one Middle European. Both etymologies are more or less equally ancient, going back to early mediaeval times, circa 600-1100 AD.