Harriet Mould was the daughter of George Mould and Mary Ann Nash.

Harriet was born around 1861 in Birmingham, Warwickshire.

Harriet married George Charles Cooper in 1881 in Birmingham, Warwickshire.

She had the following children from her marriage to George Charles Cooper:

- George Harold Cooper	born in 1882 at Birmingham, Warwickshire.
- Lilian Amy Cooper	born in 1886 at Birmingham, Warwickshire.

Harriet was a Furniture Broker.

Details of Harriet's death are not known.