see Poland Street 1 to 8 & 49 to 62 in London Addresses dataset
John Prendergast 50 Poland St ratebooks 1774-7 / SunFire 1778 John Prendergast MD & Honora Morgan widow execs to the will of Jeffrey Morgan Poland St / will PCC of Jeffrey Morgan Esq mentioned house in Bentinck St, St Marylebone, wife Honora, son Jeremiah, brother Charles, John Prendergast of Poland St Doctor of Physic, sister Margaret Broderick, brother in law William Burke, James Henry Burke, cousin James Moore dated 19.9.1777 proved 24.11.1777 / Jeffery Morgan bach of St Marylebone = St Bride Fleet St 2.12.…