The only Frank Taylor born Ruabon in 1891 is :
Cefn Bychan, Castle View, Ruabon - Ref: RG12/4613 folio 145, page 15
Andrew Taylor, Head, M, 52, Station Master, Salop, Shrewsbury
Eliza Taylor, Wife, M, 50, Salop, Shrewsbury
Elizabeth Taylor, Daur, S, 20, Dressmaker, Salop, Oswestry
William Taylor, Son, S, 17, Railway Porter, Denbigh, Ruabon
Frank Taylor, Son, S, 10, Denbigh, Ruabon
Polly Taylor, Daur, S, 7, Denbigh, Ruabon
Maggie Taylor, Daur, S, 4, Denbigh, Ruabon
1871 Census:
Ty Coch(?), Chirk, Denbighshire - Ref RG10/2784 Folio 12 page 13
Andrew Taylor, Head, M, 31, Railway Clerk, Shropshire, Shrewsbury
Eliza Taylor, Wife, M, 28, Housewife, Shropshire, Shrewsbury
Andrew William Taylor, Son, 7, Scholar, Shropshire, Oswestry
Thomas Hew Taylor, Son, 6, Scholar, Shropshire, Oswestry
Alice Eliza Taylor, Dau, 3, Shropshire, Oswestry
Elizabeth Taylor, Daur, 1, Shropshire, Oswestry
Good luck
Linda
PS - Frank Taylor, Births, Dec 1881, Wrexham, Volume 11b page 253