I was unable to find Henry born Buckinghamshire & Mary Berkshire in 1861. I note they moved from Blackfriars Road, St Ebbe, Oxford, Oxfordshire after 1851 and in 1871 were at Johnsons Row, Uxbridge, Middlesex. I think the one you found is them.
I did find some of the family below.
1861 - 28, Thames Street, Clewer, Windsor, Berkshire
Anstiss   Whitchurch   Servant   Unmarried   Female   20   1841   Oxford, Oxfordshire
1861 -  St Martins Street, St Mary the More, Wallingford, Berkshire
Henry   Whitchurch   Head   Married   Male   31   1830   Tailor Journeyman   Oxford, England
Eliza   Whitchurch   Wife   Married   Female   24   1837   Wife   Leicester, 
Elizabeth   Whitchurch   Daughter   Unmarried   Female   4   1857   Scholar   Leicester, 
Henriette   Whitchurch   Daughter   Unmarried   Female   1   1860      Wallingford, Berkshire
Emma   Whitchurch   Daughter   Unmarried   Female   0   1861   -   Wallingford, Berkshire, 
William   Hobb   Lodger   Married   Male   43   1818   Carrier Journeyman   Standerwick, Suffolk, 
Ann   Hobb   Lodger   Married   Female   42   1819   Wife   Aldington, Berkshire, 
1861 - Alpha Road, Upton, Eton, Buckinghamshire
Thomas W   Whitchurch   Head   Married   Male   25   1836   Boot & Shoe Maker   Oxford, England
Sarah   Whitchurch   Wife   Married   Female   25   1836   Boot Closer   Northamptonshire
Sarah H   Whitchurch   Daughter   -   Female   1   1860   -   Buckingham, Buckinghamshire
Colin