« Reply #11 on: Sunday 03 February 13 22:34 GMT (UK) »
Hi this looks to be him in 1851:-
Elizabeth Griffiths 56 Widow
Samuel 21 Son/Single occ Copper Smelter
Both born Llansamlet
Residing at Upper Bank, Llansamlet
Census Ref HO107/2464/621/17
Sorry keyboard,
Found this now im not so sure. Do you think this could be a possibility? Not too sure where it is in Swansea, just 'Back Street'.

HO107/2466/360/34
Northants - Stevenson, Smith, Spriggs, Hight, Dodson, Coleman
Swansea - Thomas, Williams, Howell, David, Rees, Griffiths, Jenkins, Bevan
Rutland - Hales
Derbyshire - Harlow, Riley, Pemberton, Aldred
Yorkshire - Stamper, Boyes, Duke
London - Harper, Wallis
Essex - Shelford, Wallis, Read, Stanes
Hertfordshire - Bishop
Cornwall - Johns, Soper, Rowe, Ball, Webb, Dunn, Quintrell, Hain, Oliver
Gloucestershire - Harper, Ash, Gregory, Denman
County Durham - Proud, Duke
Yorkshire - Stamper, Pickering