Mary was baptised "Mary Daughter of Margaret Mather, Darcey Lever, Spinster". She was illegitimate with father unknown when she married.
Alice and Mary Mather were on the 1841 census living with James and Margaret Brooks and family. These are the daughters of Margaret Mather when she was a spinster.
In 1851, Alice wasnt at home and was probably in service like her sister, possibly working in Manchester.
23 Sep 1855, Mary Mather of Darcy Lever, Illegitimate, married John Jenkinson of Little Lever, an Engineer.
In 1861, John and Mary (both 28) were at Little Lever with sons Daniel (5), James (2) and William (1).
In 1871, John and Mary (both 38) with sons Daniel (15), James (12) and William (11) and Joseph (9).
In 1881, John and Mary (both 48) were in Sheffield with sons Joseph (18) and Roland (6).