Ellesmere Canal from Hurleston to Llangollen was retained as a water feeder for the Shropshire Union Canal main line and for drinking water. In 1955 an agreement with the Mid & South East Cheshire Water Board secured the canal's future. Despite the formal closure, increasing popularity of the canal with pleasure boats led to its acceptance as an important amenity, and the rebranding as the Llangollen Canal. As the canal was never intended to go to Llangollen, this renaming is an ironic twist symbolic of the canal's convoluted development. The Ellesmere Canal south of Frankton Junction (the Llanymynech Branch) nowadays forms part
Marbury, Cheshire parish council was formed in 1959, before which the civil parish was administered by Marbury Parish Council, formed in 1894. From 1974 the civil parish was served by Crewe and Nantwich Borough Council, which was succeeded on 1 April 2009 by the unitary authority of Cheshire East. Marbury cum Quoisley falls in the parliamentary constituency of Eddisbury, which has been represented by Antoinette Sandbach since 2015, after being represented by Stephen O'Brien (1999–2015). The civil parish has a total area of . The terrain is undulating in character, rising from around 75 metres by the Llangollen Canal in the north