I have found them in 1861

so have removed the earlier entry for William with his father.
Here goes:
1881 - you can view yourself for free
1871 RG10; Piece: 118; Folio: 22; Page: 37
William Place Tupton Street Westminster
William Martin head 34 yrs cab driver
Jessie wife 31 yrs
Jessie daur 11 yrs
Elizabeth daur 9 yrs
William son 7 yrs
Jane daur 5 yrs
Louisa daur 3 yrs
Susan daur 1 yrs
all born Westminster
1861 RG9; Piece: 47; Folio: 144; Page: 22
3 Williams Place
William
Martins head 24 yrs house keeper b Westminster
Jesse wife 21 yrs ironer b Lambeth
Je
sse daur 2 yrs b Westminster
Free BMD Marriage
Lambeth March quarter 1858 William Martin and Jessy Saunders (possible spouses)
1851 HO107; Piece: 1480; Folio: 275; Page: 44
2 Swan Yard Westminster
Edward Saunders 40 yrs labourer b Surrey Lambeth
Louisa 41 yrs b Middlesex Bishopsgate
Jessie 10 yrs b Lambeth Surrey
Charles 8 yrs b Middlesex St Margaret's Westminster
Elizabeth 6 yrs b -do-