Thanks Merry,
I think you're right. The occ matches too
Now to find her death
There are 3 possibles:
1875Q1 Shoreditch aged 74.........but only 70 according to the census
1875Q4 West Ham aged 74......... ditto
1881Q4 Shoreditch aged 59......... could she have told everyone that she was 16 years younger?