Marystow is located within West Devon local authority area. Historically it formed part of Lifton Hundred. It falls within Tavistock Deanery for ecclesiastical purposes. The Deaneries are used to arrange the typescript Church Notes of B.F.Cresswell which are held in the Westcountry Studies Library. The population was 297 in 1801 255 in 1901 . Figures for other years are available on the local studies website. In 1641/2 68 adult males signed the Protestation returns.

A parish history file is held in Tavistock Library. You can look for other material on the community by using the place search on the main local studies database. Further historical information is also available on the Genuki website.

Maps: The image below is of the Marystow area on Donn's one inch to the mile survey of 1765.

On the County Series Ordnance Survey mapping the area is to be found on 1:2,500 sheet 97/2 Six inch (1:10560) sheet 97NW
The National Grid reference for the centre of the area is SX435828. On the post 1945 National Grid Ordnance Survey mapping the sheets are: 1:10,000 (six inch to a mile: sheet SX48SW, 1:25,000 mapping: sheet Explorer 112, Landranger (1:50,000) mapping: sheet 201. Geological sheet 337 also covers the area.

Extract from Devon by W.G.Hoskins (1954), included by kind permission of the copyright holder:

Marystow is the "holy place" of St. Mary", where the parish church now stands, but the Domesday manor was down as Sydenham in the wooded valley of the Lew. Raddon, a hamlet in the NE. of the parish, was also a Domeday manor.