Hi Lee
You will need to provide some idea of location in 1851 and 1841 for any chance of a lookup in those census years at present - from children's births/another census perhaps.
Is this them in 1861 (birthplaces for parents differ from your info)

1861
Village, Farnborough, Kent
George KEMBER/KIMBER head mar 56 ag lab b.Orpington
Sarah wife 50 b.Rotherhithe Surrey
William son 15 ag lab b.Farnborough
Clement 12 b.Farnborough
Esther dau 9 b.Farnborough
Ruth dau 7 b.Farnborough
RG9/464 folio 205 page 8
Casalguidi