[5] On the 1841 tithe map, it was called Dyffryn Bach, owned by G. J. Harries and occupied by David Evans.

[3] The local farmers would sell their fleeces to the mill, which would wash, card, comb, and spin the wool into yarn and then weave it into blankets.

During World War II the mill devoted most of its capacity to making knitting wool, which was not rationed.

[6] In the 1950s the owners opened a shop at the mill and in St Davids and Fishguard, and started to develop Melin Tregwynt as a brand.

[9] The 2008 Guinness Book of Records noted that the mill had woven the world's largest picnic blanket for Waitrose.

[6] In 2012 the Welsh fashion designer Jayne Pierson created a line of bespoke women's wear for Melin Tregwynt.

[14] The mill's products have been featured on various TV shows including Big Brother and Doctor Who.