In 1870-72, John Marius Wilson's Imperial Gazetteer of England and Wales described Portwood like this:
PORTWOOD, a chapelry in Stockport parish, Cheshire; on the river Mersey at the boundary with Lancashire, and within Stockport borough. It was constituted in 1844; and its post town is Stockport. Pop. in 1861, 5, 346. Houses, 1, 189. The living is a p. curacy in the diocese of Chester. Value, £300. Patron, alternatelythe Crown and the Bishop. The church is a recent stoneedifice, and has a handsome lofty spire.
The location is where the name "Portwood" appears on the modern 1:25,000 map, and also on the Land Utilisation Survey map. Additional information about this locality is available for Stockport
GB Historical GIS / University of Portsmouth, History of Portwood, in Stockport and Cheshire | Map and description, A Vision of Britain through Time.
Date accessed: 23rd April 2017
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