Mary Hartley was the daughter of Henry Hartley and Elizabeth Nicholson.

Mary was born around 1871 in Pemberton, Wigan, Lancashire.

Details of Mary's death are not known.

Census Data:

Year	Address
1871	Ormskirk Road, Pemberton, Lancashire.
1881	614, Lord Street, Pemberton, Lancashire.
1891	816 Ormskirk Road, Pemberton, Lancashire.