MARGARET ISABELLA BIDWELL  
THOMAS HOPKINS 
Marriage:  20 MAY 1843   Saint Leonards, Shoreditch, London 
What evidence do you have that these were the George you are interested in - his parents?
1851 census HO107 1530 folio 258
14 Lombard Street St Mary Woolnoth  Middlesex   
Thomas Hopkin 33  Portsmouth, Hampshire, Head Married Messenger
Margeret I Hopkin  33  Datchet, Buckinghamshire,  Wife Married
Jesse M Hopkin  7  City Road, Middlesex, Daughter   
Henry F Hopkin 5  Cripplegate, Middlesex,  Son  
George Hopkin 4  Lombard St, Middlesex,  Son  
Louisa H Hopkins 2  Lombard St, Middlesex, Daughter  
Joseph W Hopkins 11 wk or mths  Lombard St, Middlesex,  Son  
Hampshire is further south than London and therefore even further away from Birmingham. Thomas gives his birthplace as Havant Hampshire on the 1861 census. Margaret's birth is in Datchet on both censuses.
Regards
Valda