see Poland Street number not known in London Addresses dataset
Morning Chronicle 8.9.1787 Capt Bartlett of East India Company's service lodged in house in Poland St / John Bartlet will PCC dated 1.3.1788 commander of Contractor East Indiaman of Gower St mentioned mother Helen Bartlet of Banff widoe, brother James his wife Mary, brothers Robert & Patrick, sister Lady Dunbar widow of Banff (Jane Bartlet of Banff married Sir William Dunbar, beronet after 1765) sister Helen wife of Alexander Milne merchant of St Mary at Hill proved 10.8.1824 late of Marylebone High St by brother Patrick (execs brother James Bartlet & brother-in-law Alexander Milne both died before him) / John Bartlet captain of Lord North 1785 Contractor 1793 / Gents Mag May 1766 Captain Bartlett of an East Indiaman married 8.5.1766 at Bath Miss Palmer of Horse St, Bath