Getting marriage cert would hopefully give name of father.
I cant see a birth registered for him under James Hunston Flint. I did wonder if he was born before parents married and registered as Hunston, a mothers maiden name.There are a couple of James Hunstons at the right time-ish.
However I couldnt find a subsequent Hunston/Flint marriage to back this up.
I did find possibles for him on earlier censuses with parents Richard and ... cant remember! Living at Ashton New Rd too, so I was hopeful of a link.
Sorry, I was working on this, got called away and got sidetracked when I came back, so have completely lost my train of thought ( not difficult!)
But if I remember rightly there is nothing glaringly obvious, so his marriage cert with any clues it might give about his father, I beleive, must be the next step. If father is Richard, then those censuses will be worth looking at.