Thanks. The writing in the marriage register wasn't clear, which is why I wasn't sure if I had transcribed correctly.
I suspect, as Debbie pointed out, that Samuel Bidmead was a fiction. This wasn't unusual for someone who didn't know the true answer when it came to filling in the father's details in the marriage register. Catherine's Bidmead's daughter by Henry Garthwaite would never have known her father, and quite possibly did not know his name or what he did for a living. It might well have been something that wasn't talked about.
In 1851, Lucy Bidmead, widow of David was living in Chipping Wycombe in a neighbourhood which the census page suggests was populated by people involved in chair making in various ways - although the Bidmeads themselves do not seem to have been. Perhaps there is some connection with this and Lucy Mary Ann's choice of occupation for her father.
I've been trying to find Catherine and Lucy Mary Ann in 1871, but no luck so far.