see Poland Street 1 to 9 & 49 to 62, and 10 to 18 & 45 to 48, in London Addresses dataset
World 14.6.1793 ad for benefit for Miss Poole who was burnt out by the fire of 1.6.1793, tickets for sale from Miss Poole 9 Poland St. This was Caroline Poole singer (Martha Dickons DNB c1774-1833). From another ad for Archibald Johnston (QV*) cabinet maker I deduce that the fire was at 15 Poland St. Both 9 and 15 Poland St had "Covent Garden ladies" living there in Harris's List 1790. Francis Pool musician 16 Poland St SunFire 6.10.1792, if he was Caroline Poole's brother or relative perhaps the fire burnt out 16 Poland St as well as 15. Miss Pool of Poland St subscr 1793 to Knight of the Rose by Lucy Peacock. Francis Pool musician 5.10.1793 SunFire 18 Charles St Covent Garden