Current translation for Hamsey
  hams derived from hamm - Denotes a piece of land surrounded with paling, wicker-work, etc., and so defended against water, which would otherwise wash it away, so a valley settlement or settlement with a jetty.
  ey derived from æg - an island
Found in Domesday 1086AD
Name found:Hame(Sussex)
Place name translation provided by saxonhistory.co.uk