Bertha Jane Mayor was the daughter of William (Will) Mayor and Jane Turner Ambrose.

Bertha was born in 1873 in Skelmersdale, Lancashire.

Bertha married Abraham Hartley in 1896 in Prescot, Lamcashire.

She had the following children from her marriage to Abraham Hartley:

- Christine Elizabeth Hartley	born in 1897 in Huyton, St Helens, Lancashire.
- Frederick Tickle (Fred) Hartley	born around 1899 in St Helens, Lancashire.
- Arthur Hartley	born around 1900 in St Helens, Lancashire.

Details of Bertha's death are not known.

Census Data:

Year	Address
1881	56, Cooper Street, Windle, nr St Helens, Lancashire.
1891	Liverpool Road, Knowsley, Lancashire.
1901	30, Hard Lane, St Helens, Lancashire.