I don't think it gets me any further forward, but it looks as if the witness Geo Sutton is this man
https://www.ancestry.co.uk/interacti...nSearchResults
who died in Tash Street aged 53 in 1827
This is his marriage to Sarah Maria Dobinson in 1798, All Hallows, London Wall. He appears to be a labourer, from one of the post 1812 baptisms of his children.