The town is recorded as Gravesham in the Domesday Book in 1086 as belonging to Odo, Bishop of Bayeux and called "Gravesham": a name probably derived from "graaf-ham": the home of the Reeve, or Bailiff, of the Lord of the Manor. Another theory suggests that the name Gravesham may be a corruption of the words grafs-ham — a place "at the end of the grove". Myth has it that Gravesend got its name because, during the outbreak of Bubonic Plague in the 1600s.
by the way i live right near gravesend