Hi
Workhouse deaths from workhouse registers can be online as the Edwards deaths are, but as far as the East End of London is concerned as yet not burials.
A workhouse death doesn't mean Mary was a pauper. Many workhouse infirmaries became National Health Hospitals in 1948. The fact her body was not buried by the poor law union also indicates she was privately buried by friends/family. This may mean she was buried in a common grave if the family could not afford to pay for a cemetery plot but everything else - the funeral was paid for by the family. If buried in common graves she and her husband would not be buried together. Bow/Tower Hamlets cemetery would be the nearest and perhaps likeliest particularly if the family had lived in the area for sometime. The workhouse death register states Mary was from Shadwell as was her husband though his body states Ilford and not taken by friends as Mary's states.
Information on Tower Hamlets Cemetery
http://www.towerhamletscemetery.org/burials.pdfhttp://www.towerhamletscemetery.org/thcpaboutus.htmlhttp://www.bbc.co.uk/london/content/articles/2005/05/10/tower_hamlets_cemetery_feature.shtmlThere is a burial guide on the Essex Rootschat board.
http://www.rootschat.com/forum/index.php/topic,525692.0.htmlAround 1871 (Ilford now part of the London borough of Redbridge) this area would not as yet have closed its churchyards as it was far less urbanised. The dates of the opening of cemeteries begins to indicate when churchyards might start to close in the area, so the burial could possibly be in a churchyard in Ilford. The other more probable possibility is since so many deaths in the workhouse state Ilford it would be more likely that for John's burial at least it was dealt with by the poor law union. The City of London cemetery opened in 1856 (see under the London borough of Newham in the guide) it is very close to Ilford and Stepney Union could well be sending its pauper burials there. Cemeteries vied for institutional business because though the costs of those burials was lower the work was regular and there were a large amount of such burials).
Use Google maps and put in Aldersbrook Road where the cemetery is and Ilford (in directions) and you'll see how close this cemetery is though officially its address is Manor Park it is often given as Ilford.
Regards
Valda