In 1066 the manor was held by King Edward, and in 1086 by King William who committed it to the care of Ranulf, brother of Ilger. It was assessed at 15 hides and included a priest and two churches as well as two mills and a good deal of woodland.
Hartford was granted to St Mary’s Priory, Huntingdon in the reign of Henry I, and the grant confirmed in 1147, 1253 and 1327. It remained the property of that house until it was dissolved in 1538. The advowson of the church was also held by the priory until the Dissolution.