This one has vanished almost entirely. A holy well traditionally associated with St. Catherine once existed in a field of tillage to the west of a stream in Staffordstown, County Dublin, and by the late 1950s there was already no visible surface trace remaining. By 1975 it had ceased to be venerated altogether. What was once, presumably, a place of local devotion is now a patch of farmed ground with nothing to indicate what it once meant to the people who visited it.

Holy wells, found throughout Ireland in enormous numbers, were typically sites of folk devotion where water associated with a particular saint was believed to have curative or protective properties. Patterns, the traditional gatherings held at such wells on a saint's feast day, were a common feature of rural religious life for centuries, blending pre-Christian practice with Catholic observance. The dedication here to St. Catherine is noted in the records compiled by Caoimhín Ó Danachair in 1958, though even at that point the well had left no physical impression on the landscape. A short distance away, approximately 110 metres to the south-east, lies a second well known as Bridetree Well, suggesting that this corner of north County Dublin once supported a cluster of sacred water sites, each carrying its own dedication and, presumably, its own local traditions.

There is, practically speaking, very little for a visitor to see. The site sits within agricultural land west of a stream, and without visible remains, locating the precise spot would be a matter of archival research rather than observation. The interest here is of a different kind, the knowledge that a place once considered significant enough to be named, visited, and recorded has been so thoroughly absorbed back into the working landscape that only the documentary evidence remains. The nearby Bridetree Well, recorded separately in the national monuments database, may reward a closer look for those curious about the broader pattern of sacred sites in the area.