Not ruined in any dramatic, ivy-draped sense, but erased, its footprint absorbed by tarmac and urban sprawl so thoroughly that there is nothing left to see at ground level. The absence itself is the curiosity here.

The site appears on the 1837 edition of the Ordnance Survey Ireland six-inch map with the annotation "Monastery (in ruins)", where a possible structure is marked to the east of the gate lodge on the demesne lands of Stillorgan Priory, a Georgian house sitting roughly 320 metres to the north-north-east. By the time the more detailed 25-inch map was surveyed in 1863, three small rectangular structures were recorded along the northern side of a field boundary running north-east to south-west, suggesting the ruins were still legible in the landscape at that point. The local historian F.E. Ball, writing in 1902, noted that the house known as Stillorgan Priory took its name directly from these monastery remains on its demesne lands. The ecclesiastical connection runs deeper still: the church lands of Stillorgan, of which these ruins may have formed a part, were granted in 1216 by Raymond Carew to the Priory of the Holy Trinity, the institution now known as Christchurch Cathedral in Dublin city.

Today the site sits in a flat, unremarkable stretch between the Old Dublin Road and the N11, around 680 metres north of Stillorgan's Church of Ireland church and graveyard. A visitor arriving with expectations of carved stonework or tumbled walls will find only the car park and a small wooded area that now occupy the ground. No surface remains are visible. The value of coming here, if there is one, lies less in what can be observed than in the discipline of reading an ordinary suburban landscape against its historical record, and recognising that a place noted on two separate nineteenth-century maps as a monastery in ruins has since been lost so completely that even the ruins are gone.