see Poland Street 19 to 44 in London Addresses dataset
SunFire 1780 Joseph Brittain coachpainter 35 Poland St / Joseph Brittain coachpainter of St James took appr 1780 James Clinton / presumably sub-tenant of Josepoh Frewen (QV*) / Ann Brittan dau of Joseph & Dorothy bapt 12.5.1783 St JamesJoseph Brittain coachpainter Castle St Wakefield's directory 1790 / will PCC of Joseph Brittan coachmaker of Margaret St, Cavendish Sq proved 5.8.1807 dated 15.5.1807 mentioned late wife Dorothy (nee Anderson) son Joseph dau Mary Sophia dau Sarah sister-in-law Sarah Brittain widow of Norwich eldest son John wit Thos Orrell of Winsley St / Joseph William s of William & Dorothy Brittain bapt 12.11.1789 St Marylebone / SunFire 1788 Joseph Brittain carman 10 Titchbourn Court, High Holborn, wife a mantua maker / William Brittain tallow chandler Marshall St Carnaby Market will PCC 1781 left £1000 each to sons William & Joseph