Shropshire Union Canal links are to the Llangollen Canal (at Hurleston Junction), the Middlewich Branch (at Barbridge Junction), which itself connects via the Wardle Canal with the Trent and Mersey Canal, and the River Dee (in Chester). With two connections to the Trent and Mersey (via the Middlewich Branch and the Staffordshire and Worcestershire Canal) the SU is part of an important circular and rural holiday route called the Four Counties Ring. The SU main line was the last trunk narrow canal route to be built in England. It was not completed until 1835 and was the last major civil engineering accomplishment of
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