Hi Lynne
Think this is them in 1891:
RG12/2884 Folio 53 Page 47
Living at 207 Oliver Street, Birkenhead, Chesire
Gaynor, Ann El abt 1886 Birkenhead, Cheshire, England Daughter
Gaynor, Elizabeth J abt 1862 Birkenhead, Cheshire, England Wife
Gaynor, Emma F abt 1889 Birkenhead, Cheshire, daughter
Gaynor, Henry abt 1860 Birkenhead, Cheshire, England Head, Water Inspector?
Gaynor, Robert H abt 1888 Birkenhead, Cheshire, England Son
There is also another family on the census image at the same address (As far as I can make out!)
Mann, Alfred R abt 1874 Birkenhead, Cheshire, England Son
Mann, Ann abt 1837 Wilcpool, Montgomeryshire, Wales wife
Mann, David T abt 1870 Birkenhead, Cheshire, England Son
Mann, Robert abt 1836 Faversham, Kent, England Head
Hope this helps
Steve