Current translation for Mersham
  mer derived from mære - sea or lake (large body of water)
  sham 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.
Found in Domesday 1086AD
Name found:Merseham(Kent)
Place name translation provided by