Thanks Moira,
A few more snippets that may help.
I suspect George may have had a sister, Sarah. In 1851 George's daughter, Ann, was a servant in the household of Robert Eaton Blackwall (of Wirksworth) in Manchester. Also a servant there was Sarah Fearn b. Bonsall abt 1795. (If not a sister of George - possibly an aunt or a cousin.)
In 1841 George was in Chorlton in Medlock, Manchester. The head of the household was Sarah Ferns b. abt 1768 not born in Lancashire. I think it's reasonable to suppose that she was his mother.
If it helps, George's children were (in dob order) Henry, Ann, John, Susannah. (There might have been an older son, William - he was, I suspect, an illegitimate child of George's wife, Sarah Gill but I have some inkling that George was his father.)
Many thanks again in anticipation.
Phil.