Mary Ann Jackson was born around 1855 in Sheffield, Yorkshire.

Mary married Timothy Greaves in 1878 in Eccleshall, Sheffield, Yorkshire.

She had the following children from her marriage to Timothy Greaves:

- Ernest Greaves	born around 1879 in Sheffield, Yorkshire.
- William Jackson Greaves	born around 1882 in Sheffield, Yorkshire.
- Edith Mary Greaves	born around 1885 in Sheffield, Yorkshire.
- Arnold Greaves	born around 1889 in Sheffield, Yorkshire.

Details of Mary's death are not known.

Census Data:

Year	Address
1891	414, London Road, Eccleshall Bierlow, Sheffield, Yorkshire.
1901	220, Abbeydale Road, Eccleshall, Sheffield, Yorkshire.
1911	220, Abbeydale Road, Sheffield,Yorkshire.