Nora dates from before my time as a listener, but I do vaguely recall hearing her on the omnibus in my early childhood, when it would be burbling away in the background on Sunday morning as we had breakfast/washed up.
According to The Archers Encyclopedia and The Book of The Archers, she was Nora McAuley originally and came from Northern Ireland to marry her fiance, Paddy Redmond, a farmworker, but he moved away, leaving Nora behind in Ambridge. The listeners all knew that Paddy was Adam's father, but I'm not sure anybody in Ambridge except Jennifer knows that - did she ever tell Adam? Can't remember. Interestingly [yes, I do lead a quiet life], TAE says that Nora spotted baby Adam's likeness to Paddy immediately (red hair) but said nothing.
She worked at Grey Gables and married a local dairyman, Greg Salt, but the marriage didn't last long. She then moved to The Bull and caused a scandal by living with George Barford without getting married! In Ambridge! It didn't work out, though, and she left the village to work in the legendary canning factory (prop: Sir Jack and Lady Mercedes Goodman), thus freeing George up to marry Christine. Last heard of in the late 70s living in Borchester.
Off to listen to the vintage episode now! What a treat. 