Mary (Polly) Cross was born around 1859.

Polly married Walter Alfred Lavender in 1886 in Warwick, Warwickshire.

She had the following children from her marriage to Walter Alfred Lavender:

- Leonard Alfred Lavender	born in 1888 in Wednesbury, Staffordshire.
- Beatrice Lilian Lavender	born in 1889 in Wednesbury, Staffordshire.
- Walter Alfred Lavender	born in 1891 in Wednesbury, Staffordshire.
- Sydney Lavender	born in 1891 in Wednesbury, Staffordshire.
- Douglas Lavender	born in 1893 in Wednesbury, Staffordshire.

Polly died when she was about 83 years old, on Wednesday 21 January 1942.  

Census Data:

Year	Address
1891	41, Holyhead Road, Wednesbury, Staffordshire.
1901	41, Holyhead Road, Wednesbury, Staffordshire.
1911	41, Holyhead Road, Wednesbury, Staffordshire.