The Unitarian chapel of William Gaskell, Elizabeth Gaskell's husband.

84 Plymouth Grove, now known as Elizabeth Gaskell's House, was the home of William and Elizabeth Gaskell from 1850 until her death in 1865,

Thomas Wright, "friend to the prisoner," was deacon of the Congregationalist chapel in Grosvenor Street, Piccadilly, Manchester, from 1825 to 1875, when he died.

Source: https://rusholmearchive.org/thomas-wright-the-prisoners-friend

Manchester New Bailey was one of the prisons frequently visited by Thomas Wright. Elizabeth Gaskell also visited the prison, inspired by Wright.

From Prison History: https://www.prisonhistory.org/prison/salford-new-bailey-prison/

While the names of the buildings are different today, this map still shows the places where modern day buildings are in relationship to the original size of St. Peter's Field.