Here is a census entry for Mary Ann Brown in 1891.
I notice in the transcription that it says 61 East Street. On the image though it looks like this:
I no longer have access to view the images on Ancestry, but I initially wondered if that was a "?" next to 61. Or, is it a abbreviation for "number"? I tried to navigate at www.freecen.org.uk to the previous property but it said it was unoccupied. And then it would not navigate further back.
The reason I ask is because in 1885 she gave birth to a girl and according to the birth certificate that we have in our possession she was living at 59 East Street. It is very clear on this certificate.
That is why I wondered if it was a "?" on the census entry.
Otherwise, they move from "61" to "59" within a four year period!
That is why I was trying to see the previous census images ...