Was Nellie a nickname ? The 1901 census doesn't list her and I can't imagine her being born later than that to a mother who was already 53
DeanHannah 53WifeHyde, Cheshire 15 Oxford Street, Accrington
DeanThomas 49Head
Marble MasonBradford, Yorkshire 15 Oxford Street, Accrington
DeanAnnie 23Daughter
Dress MakerBradford, Yorkshire 15 Oxford Street, Accrington
DeanBeatrice 21Daughter
TailoressBurnley, Lancashire 15 Oxford Street, Accrington
DeanJohn G 20Son
Tailor's FitterAccrington, Lancashire 15 Oxford Street, Accrington
DeanAlothea A 17DaughterAccrington, Lancashire 15 Oxford Street, Accrington
DeanEffie 15Daughter
Sewing Machinist Under ClothingAccrington, Lancashire 15 Oxford Street, Accrington
DeanEdith E 13DaughterAccrington, Lancashire 15 Oxford Street, Accrington