Tullygillen Mill, Tullyard, Co. Monaghan

The machinery it once drove has gone, and the mill itself has been converted into a home, but the six-bay bulk of the structure, three storeys of coursed rubble limestone under a pitched slate roof, still reads clearly as an industrial building rather than a domestic one. The contrast of red brick around the door and window openings against the grey stone gives the whole complex a distinct visual rhythm, one that owes more to function than to decoration: the mill proper occupies the south-western bays, a kiln for drying grain sits in the two middle bays, and a store closes off the north-eastern end.

The site appears on the 1835 Ordnance Survey map as a corn mill with an accompanying pond, but the building standing today is a later one, put up around 1850 slightly to the north-east of its predecessor. By 1860 the Griffith Valuation recorded it as a "corn mill, kiln, stores" run by Thomas McCormack, and it continued to appear on maps into the early twentieth century, by which point it had become known locally as Finlay's Mill. It kept working until 1953, drawing its water from Beagh Lake through a mill pond and sluice gates to the south-east, the controlled drop of water turning the wheel that is still visible today. Mills of this kind were once common across Monaghan, a county that, despite being given over largely to small farms, supported a striking number of grain mills through the nineteenth century, and Tullygillen's mill was one of the more substantial examples, serving as a hub of trade and employment for the surrounding townlands in the decades after the Famine, when grain processing underpinned much of the local economy.

Little survives now of the internal workings; the building has been gutted of its plant and given over to residential use. What remains for anyone passing is the exterior architecture: the triple-centred arches over the doorways, finished in red brick with square-headed timber doors set beneath brick infill, and, on the west elevation, an original nineteenth-century panelled timber door still marking the entrance to the former store. The mill sits on a slope south of a minor road, itself off a secondary road, and the water-wheel on the gable end remains the clearest sign of what the building once did, with its cast-iron hub and rim, timber spokes, and angled buckets still largely intact even though the water that once drove them no longer flows through the sluice.