Wilmington is a hamlet

Hamlet (place)

A hamlet is usually a rural settlement which is too small to be considered a village, though sometimes the word is used for a different sort of community. Historically, when a hamlet became large enough to justify building a church, it was then classified as a village...

 in the civil parish

Civil parish

In England, a civil parish is a territorial designation and, where they are found, the lowest tier of local government below districts and counties...

 of Priston

Priston

Priston is a civil parish and village south west of Bath in the English county of Somerset. The parish includes the hamlet of Wilmington.- History :...

 within the unitary authority

Unitary authority

A unitary authority is a type of local authority that has a single tier and is responsible for all local government functions within its area or performs additional functions which elsewhere in the relevant country are usually performed by national government or a higher level of sub-national...

 of Bath and North East Somerset

Bath and North East Somerset

Bath and North East Somerset is a unitary authority that was created on 1 April 1996 following the abolition of the County of Avon. It is part of the Ceremonial county of Somerset...

, England.

It was previously in the hundred of Keynsham

Keynsham

Keynsham is a town and civil parish between Bristol and Bath in Somerset, south-west England. It has a population of 15,533.It was listed in the Domesday Book as Cainesham, which is believed to mean the home of Saint Keyne....

. The Domesday Book

Domesday Book

Domesday Book , now held at The National Archives, Kew, Richmond upon Thames in South West London, is the record of the great survey of much of England and parts of Wales completed in 1086...

 shows that in 1086 the settlement formed part of the estates of Bath Abbey

Bath Abbey

The Abbey Church of Saint Peter and Saint Paul, Bath, commonly known as Bath Abbey, is an Anglican parish church and a former Benedictine monastery in Bath, Somerset, England...

 under the lordship of a Walter Hussey, and consisted of 9 households and a mill, with 10 acres of meadow and 10 of pasture.

Wilmington Farm located adjacent to the hamlet is a cattle farm of 320 acres owned by the Duchy of Cornwall

Duchy of Cornwall

The Duchy of Cornwall is one of two royal duchies in England, the other being the Duchy of Lancaster. The eldest son of the reigning British monarch inherits the duchy and title of Duke of Cornwall at the time of his birth, or of his parent's succession to the throne. If the monarch has no son, the...

.