see Poland Street 1 to 9 & 49 to 62 in London Addresses dataset
Harris's List 1788 Miss D-gl-ss at Mrs Walpole's 1 Poland St
possibles: Elizabeth Douglas adult bur St Martin in the Fields 12.10.1787 / Elizabeth Douglas adult poor bur St James 21.10.1790 / Mary Douglas adult bur St James 16.5.1790 / Margaret Douglas adult bur St James 20.6.1791 / Catherine Douglas of St George Hanover Sq maker of ready made linen took appr Elizabeth Holt 1796