The survival of that detail in the historical record is a small reminder that the Poddle river, which runs through this part of the city, was once a serious working waterway, capable of driving the kind of machinery that kept urban populations fed.

F. E. Ball, writing in 1906, recorded that mills were operating in Harold's Cross village in the early eighteenth century, placing industrial activity here well before the area was drawn into the expanding city. By 1837, when the Ordnance Survey completed its six-inch mapping of Ireland, a flour mill was marked at the site, suggesting the operation had either continued or been rebuilt into a more substantial form by that point. A flour mill of this era would typically have used the flow of a watercourse to turn a large wheel, which in turn drove millstones to grind grain into flour. The Poddle, though modest by the standards of river-powered industry elsewhere, was put to exactly this kind of use at several points along its course through south Dublin.

The area today offers few obvious traces of the mill itself, and anyone hoping to find standing remains should approach with modest expectations. The Poddle still flows through Harold's Cross, though much of its course in the city is culverted underground. Walking the neighbourhood with the 1837 Ordnance Survey sheet as a reference, available through the Historical Maps viewer on the Ordnance Survey Ireland website, gives a clearer sense of where the mill would have sat in relation to the street pattern that partly survives. The relationship between the old village layout and the river channel is the thing worth tracing here, rather than any surviving structure.