09/09/1865 – Ardrossan and Saltcoats Herald – Tilework to let. For such a period as may be agreed on. Muirhead Tilework, Parish of Irvine. For particulars apply to Mr Robert Reid, Segganbank, Irvine or to Mr William Reid, Muirhead the latter of whom will show the work. Offers will be received up to 7th October….
1855 – 1857 – Ordnance Survey Names Book – Blair Tileworks. John Alexander, occupier. A shed about 3 chains long used for tile making, a short distance from the shed is a kiln which also is in use. The property of Capt. Blair.
Below – 1856 – Blair Tileworks, Assyfauld.
22/10/1879 – Invoice – Asseyfauld Tileworks, Dalry, John Alexander.
1886 – John Alexander, brick and tile maker, Assay Fauld, Dalry.
1895 – The works are marked as disused.