see Poland Street 1 to 9 & 49 to 62 in London Addresses dataset
John White ratebooks 9 Poland St 1797 / SunFire John White cabinet maker 9 Poland St 1798 / John White cabinet maker Poland St voted Paull 1806 / Sun Fire John White cabinet maker and Elizabeth White his wife 12 Poland St 1821 / John White = St James 16.1.1813 Elizabeth Croft (QV*) (3 Poland St 1788) this may be just a coincidence of name