Blackwall is an area in Poplar, in the modern borough of Tower Hamlets (London, England), which is located in the East End of London. The area is named after a historic stretch of wall built along the Thames, which protected from flooding. Blackwall yard, a small body of water on the Thames, was a centre of shipbuilding and ship repairs until 1987. Since 1614, it had been the site of ship construction and repairs for the East India Company.

In London Labour and the London Poor edition: 

Phase 1

Of the Mud-Larks. (Volume 2): "But there are, in addition to the mud-larks employed in the neighbourhood of what may be called the pool, many others who work down the river at various places as far as Blackwall, on the one side, and at Deptford, Greenwich, and Woolwich, on the other. These frequent the neighbourhoods of the various "yards" along shore, where vessels are being built; and whence, at certain times, chips, small pieces of wood, bits of iron, and copper nails, are washed out into the river."

Phase 2

Of the Number of Street Stalls.

The Railways. (Volume 3)

Of the Trades and Localities of the Street-Jews. (Volume 2)