The name Worksop is derived from Wyrc‟s valley. Elsi, son of Cauchin or Kaskin, was theSaxon lord of the manor of Worksop listed in The Domesday Survey. Robert White in„Worksop and The Dukery Records‟ states that Elsi was a person of distinction who hadSac, Soc, Toll and Thaim, which meant that he could collect rents and administer the law.White suggests that Elsi would almost certainly have had a hall at Worksop. Saxon hallswere of wood and often built on raised ground. Elsi‟s hall might have been the moatedhouse to the east of Radford, later called Jesus House, or alternatively, he may have hada motte and bailey where the castle mound still remains….