 The "Domesday Book" lists the settlement name as "Hostewic" and "Ostewic", under the manors and lords of Kilnsea and Hilston, and in the Hundred of Holderness.At the Norman Conquest the lords of Holderness, and therefore Owstwick, were Earl Morcar and Murdoch of Hilston.Owstwick was a small settlement of about 5 households, with 45 villagers, 6 freemen, one priest and a church.