The mill at Carrowroe, in County Galway, is one such site, recorded as a monument but not yet accompanied by the kind of detailed documentation that would tell its fuller story.

The townland name Carrowroe derives from the Irish "An Cheathrú Rua", meaning the red quarter, a reference to the reddish soil or vegetation characteristic of certain western Irish landscapes. Corn mills of this type typically harnessed a local stream or river, channelling water through a millrace to drive a horizontal or vertical wheel, the mechanical heart of an operation that would have served the surrounding farming community for grain processing. In Connacht, such mills were often small-scale, estate-associated or cooperatively used by tenants, and many date from the eighteenth or nineteenth century, periods of both agricultural improvement and subsequent decline following the Famine years.