01/02/1844 – Ayr Advertiser – For sale by Public Roup – An eligible and compact estate in Ayrshire. The lands of Cronberry in the Parish of Auchinleck consisting of 1040 acres…..these lands contain coal, fire clay and blackband ironstone besides an extensive field of common clay of a very superior quality used in the manufacture of…
1862 – Woodburn Tile Works – A Duncan, Auchinleck, Cumnock.
1867 – Aleaxander Duncan – Brick and Tile Maker, West Bridge End, Dumbarton
10/07/1879 – Ayr Advertiser – Cronberry brick and tile work, Cumnock – Messrs Alexander Duncan & Sons, brick and tile manufacturers beg to intimate to the Public that they have removed from the brick and tile work, Auchinleck to more central and commodious works at Cronberry near Cumnock. From the extension of the works and the machinery being considerably supplemented and of the most approved construction for the manufacture of pipe tiles, barrel tiles, square paving tiles, common pressed bricks etc they are now in a position to execute with the utmost despatch all orders. Price list on application.
1886 – Alexander Duncan & Sons, brick and tile manufacturers , Cronberry & Auchinlech, Old Cumnock (page 211)
1903 – John S Duncan – Brick and Tile Maker, Cronberry, Cumnock