Thanks for the reply!
I know what happened now. The lady in question was born a TATTERSALL , then sometime after her mum re-married and when she was around 19 she changed her name to BRADLEY (her mothers new spouse's name). Then later on in life she married a HEMINGWAY!
It seems people changed their names willy nilly back in the days!
Sorted. Thanks to 4 census returns in consecutive years!