see Poland Street 1 to 9 & 49 to 62 in London Addresses dataset
John Perkins ratebooks 49 Poland St 1780-4 / John Perkins tea dealer Poland St voted Mountmorres & Mahon 1774 Fox 1784 / will PCC 1807 John Perkins teaman of Gt Marlborough St teaman mentioned sister Martha wife of Thomas Parish of Isle of Wight husbandman, Frances widow of late brother William Perkins, nephew William Perkins of Rupert St, nephew Henry Perkins living with me / William Perkins of St James = St Geo Mayfair 25.5.1748 Frances Walsh of Kensington. The will (date?) of William Perkins of St Martin in the Fields Yeoman of the Guard mentioned wife Frances, dau Mary wife of William Webb coal merchant of Gloster St Queen Sq