see Poland Street 1 to 9 & 49 to 62 in London Addresses dataset
Gregory McCannon ratebooks 60 Poland St 1782-3 / Gregory McCannon Westminster coroners jury 1772 / Gregory McCannon Esq bach otp (age 30) = St James 9.11.1777 Sophia Newman sp of Chelsea / Nat Arch PRIS 4/7 p 234 Gregory McCannon committed to Kings Bench prison 30.11.1780 at suit of John Davies for £60 & by John Willoughby Aston, baronet, (a musical baronet and active in horse racing) discharged 8.11.1782 / William Gregory s of Gregory & Sophia McCannon bapt 3.2.1781 St Geo the Marytr, Southwark (note this was the parish of Kings Bench prison) / William Gregory McCannon bur 22.6.1781 Chelsea / Gregory McCannon of Brownlow St, Red Lion Sq articled to Richard Jacobs of Chancery Lane 26.11.1781 for 5 years / ad Morning Herald 6.6.1782 Mrs McCannon late Miss Newman robe coat habit stay & mantua maker Poland St / (her employee Ann Newman, I made note of this from London Lives? or newspaper reports? but lost reference and can't find at present)