see Poland Street unnumbered in London Addresses dataset
see will of Henry Bevins (QV*) dated 17.12.1788 which mentioned Thomas Cannon master of St James workhouse in Poland St and his niece Mary Everard, his will PCC 1805 Thomas Cannon of St James Infirmary Poland St dated 21.2.1804 mentioned his son Thomas Cannon mathematical instrument maker, Mary wife of James Horwood of 8 Evesham Bldgs, Somers Town, and a debt of 5gns from Mr Mortlock of Church St Hackney shoemaker, a legacy from Cannon's nephew Samuel Broadhead (his will proved PCC 1803 of Aldermans Walk, Homerton, Master of the Free School at Hackney mentioned his uncle Thomas Cannon master of St James workhouse, sister Isabella wife of William Mortlock) / Mary Everard = St Martin i t Fields 9.11.1800 James Horwood / coroners jury 1792 Thomas Cannon witness Master of the St James Infirmary / Samuel Broadhead = Hackney 30.5.1756 Sarah Cannon, son Samuel bapt Hackney 29.10.1758 / Samuel Broadhead master of an Academy at Hackney died age 34 London Evening Post 29.4.1762 / Mr Thomas Cannon of Hackney = Miss Everat 4.11.1764 (Public Advertiser 6.11.1764)