Slaters Directory of Manchester & Salford in the year 1863 on CD ROM.
It lists Private Residents, Local Traders and offers plenty of information concerning the infrastructures of the towns in the period.
There are plenty of people of average standing in the community, such as Butchers, Joiners, Shopkeepers, Boot & Shoe Makers etc
However even if you know for certain that a relative was living in a particular place at a certain time it does not automactically follow that you will find them in a book as it was the individuals choice as to whether they went into these type of publications, but it's great fun looking & you might get lucky !