After the Conquest Hugh d'Ivry, butler to William I in Normandy, and brother of Robert d'Ivry, supplanted the lady Elveva who had held freely an estate assessed at 10 hides at Ambrosden in the time of Edward the Confessor (VCH). On his death, c. 1101, Hugh was succeeded by his nephew Roger(II) d'Ivry and it is probable that Ambrosden eventually passed with the Ivry barony to the St Valery family. Ambrosden was not definitely recorded as belonging to the house of Valery until 1194. The manor followed the same descent as neighbouring Beckley until c. 1288, when Edmund of Cornwall gave it to the house of canons that he had founded at Ashridge, Herts. They held it until the Dissolution. The first notice of advowson occurs in 1239 when the lord of the manor, Richard, Earl of Cornwall, presented Nicholas de Anna to Ambrosden church. In 1283, Edmund gave it, with the manor, to the college at Ashridge.
Ambrosden belongs to the Ray benefice that consists of Ambrosden, Charlton-on-Otmoor, Islip, Merton, Noke, Oddington, Piddington and Wood Eaton.