Current translation for Wilmington
  wilm derived from wylm  – steam or vapour - misty or foggy
  ing derived from ænge  – troubled village(appear to be fortlets or pallisaded villages)
  ton derived from tun  – a settlement on a hill
“Steam or vapour troubled village settlement on a hill”
Found in Domesday 1086AD
Names found:Wilelmitone (Devon)
Willelmetone (Devon)
Wilminte (Sussex)
Wimedone (Somerset)
Wineltone (Sussex)
Place name translation provided by saxonhistory.co.uk