A possible marriage....
2 Nov 1823, St Peter Church Street Liverpool, James Jones, joiner, of Liverpool, married (by banns) Anne Jones, spinster, of the same parish, both signed, witnessed by Robert Johnson and Edward Griffiths.
Also...1851 Pleasant Place Manchester (Manchester...not Liverpool?)
James Jones, 49, joiner, b. Ireland
Mary Jones, 34, wife, b. Ireland
Roseanna Jones, 16, silk weaver, b. Manchester
Catherine Jones, 14, power loom weaver, b. Manchester
James Jones, 11, scholar, b. Manchester
John Jones, 0, b. Manchester (given the ages and gap between James and John it is possible that Mary is James second wife).
Another possibility in 1841, Bean Lane Liverpool...
James Jones, 45, joiner, nbic
Alice Jones, 45, nbic
James Jones, 20, brass Moulder, nbic
Robert Jones, 15, app joiner, bic
William Jones, 15, app joiner, bic
No Mary with them, but there are plenty of options for a Mary Jones born circa 1830 in 1841 census records on her own as either a servant, with a widowed mother or a pupil...
There is a Mary Ann baptised to James (a wheelwright) and Charlotte, 3 Jan 1830 at Horwich.
A Mary baptised to James (a sawyer) and Mary (late Jones) 14 Aug 1829 at Manchester
A Mary baptised to James (a carver & gilder) and Rachel, 2 Oct 1826, at Liverpool
Another Mary Ann baptised to James and Ann, (a labourer though) 19 Jun 1835 at Liverpool
A Mary baptised to James and Jane (another labourer) 25 Dec 1832 Liverpool
A Mary baptised to James and Ellen (another labourer) 10 Jan 1833 Toxeth
A Mary baptised to James and Mary (another labourer) 18 Jul 1830 Liverpool
Is Mary Margaret consistent with her age and place of birth on all census records?
Jo