Sue,
i did what you said and searched book [ two books ] and i found some catherines, but the one that keep comming up is the one i may stay with,, catherine elizabeth cain born 1899 to john thomas cain and julia jane cain[ nee comish] she was born 8th may 1899 16 queen st douglas, i know in 1901 census they are in bridge road and it gives cath as born 1900, what i will do is e-mail you after tea with what i havewith other cain, comish etc and see what you and averil think try my e-mail agin and see if you get through