Enclosure, Tullynahoo, Co. Mayo
Co. Mayo |
Enclosures
In a corner of a Mayo pasture field, on a gentle rise beside a road, there is almost nothing left to see.
That absence is itself the point. What once stood here was probably a ringfort, one of the thousands of circular embanked enclosures built across Ireland during the early medieval period, typically serving as enclosed farmsteads for a single family or small community. What makes this particular example quietly odd is that it was not solitary. It was one of two conjoined enclosures, a pair of circular earthworks sharing a boundary, an arrangement rare enough to catch the eye even on a nineteenth-century map.
The 1838 Ordnance Survey six-inch map shows both circular enclosures clearly, pressed together, the second appended to the eastern side of this one. By the time the 1930 map edition was drawn, something had shifted. The western enclosure had been absorbed into a subrectangular field plot, roughly 23 metres north to south and 24 metres east to west, its boundaries retaining only a faint curve at the south-west to hint at the original shape. The eastern enclosure had disappeared from the map entirely. The two had been recorded together; now one was gone from the record and the other had been quietly domesticated into agricultural use. Aerial photography later confirmed what the maps had captured at different stages of that slow erasure.
Today, the enclosure cannot be made out at ground level. The earthwork along the south-east to north-west has been levelled, and the northern edge has been clipped by the field wall running alongside the road. The most legible survival is almost accidental: a property wall on the eastern side carries a slight curve, a residual arc that follows the line of the original enclosure and sits over the point where the two ringforts once met. It is the kind of detail that rewards knowing what to look for, a modern boundary quietly tracing the ghost of an older one.