see Poland Street 19 to 44 in London Addresses dataset
Sarah Stevens spinster SunFire 1781 37 Poland St / presumably a subtenant of George Gundry (QV*) or James Bine (QV*) / SunFire 1779 Sarah Stevens spinster 23 Union St / SunFire 1778 Sarah Stephens spinster Mill St Hanover Sq / Sarah Stevens ratebooks 1782 Orange St North, St James / SunFire 1786 Sarah Stephens victualler The Sugar Loaf, Bell Yard, Temple Bar / William Weekley of Barnwell, Northants = Marylebone 10.12.1787 Sarah Stevens otp by Archbishop's lic wits Fredk & Cath Phelan / Sarah Stevens a common name so all these may have been different people but the changing addresses, if some of them were one person, plus the address at 23 Union St where the householder for that and neighbouring houses was Edward Brown (QV*), made me consider she may have been involved in the sex trade, (apologies for such a dangerous slur on her honour even at 200 years' distance)