Hi Claire
Not sure if you have the following info, but here goes ...
1891 Census of Clifton, Beds
RG12/1257 F44 P13
"Shefford Rd"
Charles Copperwaite, head, m, 51, farm labourer
Jane Copperwaite, wife, m, 49, plaiter
Charles Copperwaite, son, 20, farm labourer
Martha Copperwaite, daur, 11, plaiter
Edith Copperwaite, daur, 10, scholar
George Copperwaite, father, widr, 78, living on own means
All recorded as born in Clifton, Beds.
So we have details of Charles's father!
1901 Census of Clifton, Beds
RG13/1498 F80 P22
"Lime Lane"
Charles Copperwaite, head, m, 61, road labourer, born Clifton Beds
Jane Copperwaite, wife, m, 59, born Clifton Beds
Cheers
Dave