Was he from Nottingham but living in the FoD?

Any idea of his age ? - do you think he might have been born pre 1911 i.e. in his thirties/forties in the 1940's ?

Was your father or uncle involved in Coal mining ?

possibles :-

Name: William S Hall
Mother's Maiden Surname: Griffiths
Date of Registration: Jan Feb Mar 1921
Registration district: Westbury S.
Registration county: Gloucestershire, Shropshire, Herefordshire
Volume Number: 6a
Page Number: 493

Name: William O G Hall
Mother's Maiden Surname: Gillman
Date of Registration: Jan Feb Mar 1922
Registration district: Westbury S
Registration county: Gloucestershire, Shropshire, Herefordshire
Volume Number: 6a
Page Number: 493