Jo-Ann, Have you possibly been looking for them as a married couple? They would both be single at the time of the census around March 1911. They could even be with parents. If you have the marriage certificate, it should give ages, addresses and fathers' names and occupations. A quick look at the old 1911 site shows possibilities for both people in the Lichfield area of Staffordshire. I suspect you've been too tight with your criteria. It's not impossible that Ancestry has missed a page, but I don't think so. So have another try. Peter