As this is the first posting that I have seen connecting any Taylor to a Keys..I list as follows(from Parish records UK)=
William Keys born about 1773 married oct 1801 at All Saints Fordham to Lucy Taylor born about 1769 begat dau Elizabeth Keys 1816 Fordham.WK died June 23 1848.EK died 1816 in Fordham(Elizabeth Keys married Wm DawsonB1808 he died1854 in Long Road Lexden Nr. Colchester UK)