Grays Thurrock in the context of "Chadwell St Mary"

Chadwell St Mary is an area of the unitary authority of Thurrock in Essex, England. It is one of the traditional (Church of England) parishes in Thurrock and a former civil parish. Grays is 2 miles (3.2 km) to the west and 1 mile (1.6 km) to the south is Tilbury. The area is sometimes referred to simply as Chadwell, particularly before the 19th century.