Two charters dating to the reign of King Edward the Martyr (975-978) grant land at Kingston Bagpuize, then called Cingestune, to Abingdon Abbey and Bishop Ælfstan, probably of Ramsbury.

[3][4][5] The toponym Kingston Bagpuize is derived from the village's original name Kingston plus the surname of Ralph de Bachepuz, a Norman nobleman from Bacquepuis in Normandy who aided William of Normandy in the Norman Conquest of England in 1066.

The lower part of the avenue of trees leading down from Kingston Bagpuize House were cut down during this time for aircraft safety.

[citation needed] The ancient parish of Kingston Bagpuize was a strip parish, extending from the River Thames in the north in a thin strip to the River Ock in the south.

[10] Kingston Bagpuize and Southmoor have a bowls club[11] and a Women's Institute.

[14][15] Kingston Bagpuize House was used as the set of Cavenham Park, the residence of Lord Merton, in the television series Downton Abbey.