I wonder if the DRYDALE name shown in 1891 should be DUGDALE ? -
nope, scrub that
1881 - RG11/3845; Folio: 21; Page: 19 - Bolton
56, Kirk Street Thos. Dugdale 58 Head Railway Goods Porter Clitheroe
Martha Dugdale 53 Wife Clitheroe
Janet Roberts 77 Mother In Law do
Sarah Crook 29 Sister In Law Cotton Weaver do
Wilbraham Crook 8 Nephew Rumworth
Sarah A. Crook 6 Niece Bolton
Selina Crook 3 Niece Salford
Janet Crook Niece Bolton