there are very few civil births recorded until compulsory education in 1872 kicked in after which parents, possibly thinking that such registrations would be needed for schooling of children, started to register but the 1882 abolition of ecclesiastical courts + move to civil forced it.
1847 saw the change to the marriage acts which required father's names etc in register - also offered the option of a civil regn in place of a church based one but taken up by very few