I think it would be best to get the marriage certificate as that is the only sure way of following the correct line.
It is probably worth checking what age she gives in each of the censuses to get some idea of the range of her dates of birth and then having a look at Free BMD to seee what looks likely.
I have checked the Cornwall OPC for a baptism
http://www.cornwall-opc.org/index.htm
but Lanteglos is not covered - there are 2 by the way, Lanteglos by Camelford and Lanteglos by Fowey - just to make life harder 
Barbara
Lol I know! Thanks for checking....it was very kind of you :-)
