Pinbury is mentioned in the Domesday Book as containing 18 households.
[1] Pinbury contains the ruins of a twelfth-century chapel, and possibly the remains of a Roman villa.
[2] Following the Norman Conquest, William the Conqueror gave the hamlet to the nuns of Caen in 1082.
[3] In 1416, it was transferred to the Bridgettines of Sion, Middlesex, who had a cell, and upon the suppression, was granted to Andrew, Lord Windsor, in exchange for other lands.
In 1803, Henry, Earl Bathurst, was the lord of the manor, with two-thirds of the property of the parish.