1866 – Braidwater Spinning Mill, Ballymena, Co. Antrim Architect: Thomas Jackson Now demolished, the Braidwater Mill was established in 1865 and employed generations from the town and surrounding areas.
1866 – Liddell Mill, Donaghcloney, Co. Down The linen mill in Donaghcloney was opened in 1866 by William Nicholson Liddell and quickly became one of the largest jacquard weaving company in Ireland,