William Cadell, son of Baillie William Cadell of Haddington and his wife Chtisteen Hog. Born 16 August 1737. Was the original managing partner in the Carron Ironworks. Married Katherine Inglis of Auchindinny. The Auchindinny papermill was on the estate, and William took it into his own hands, at first it was under te management of the papermaker William Annandale. Cadell went into partnership with James Sibbald from about 1789 to 1798 as William Cadell James Sibbald and Co. The paper warehouse was managed by a succession of William Cadell's sons. George was manager in 1797-99, while Alexander travelled to get orders. In 1800, Philip Cadell is managing the warehouse, because his brother George is ill. George, who was born 14 January 1777 was henceforth an invalid until he died on 13 May 1806. Philip is still managing the warehouse in 1809, but by 1812 seems to be at the Auchindinny Mill. William Cadell died 17 September 1819. Alexander Hacket was shopman there in 1797-99. William Black of Messrs Cadell's & Co 1818-27. In 1825 he is given as of Calder & Co! They were hatters! W. Phipps of William Cadell & Sons 1833-48 Auchendinny Mill was No 24; Peggy's Mill at Cramond No 57. The 1832 list of paper-mills gives Philip Caddell & Co [sic] for the Auchindinny Mills. Apprentice: James Ritchie, Burgess 7 February 1824.