 Although the family claimed to have come over with William the Conqueror, this is now believed to be based on a forged family tree of 1591.In the 1840s, Allerton Mauleverer was described as "The parish is wholly the property of Lord Stourton; and comprises 2170 acres, of which 1180 are arable, 820 meadow and pasture, and 170 woodland and plantations.