No walls, no enclosure, no visible trace of burial survives at ground level, yet the site of a Catholic chapel dedicated to St Bridget was precise enough that Ordnance Survey cartographers marked it on their six-inch map of 1839, noting its footprint at roughly ten metres east to west and six metres north to south. That a building so modest in scale should leave no physical evidence is not unusual in the Irish landscape, where centuries of agriculture have levelled countless small rural churches, but the combination of careful mapping and total absence gives this particular site an almost paradoxical quality.

The earliest written record comes from a writer named Synnott, working around 1680, who lists a church at Trimmer dedicated to Bridget, the fifth-century abbess of Kildare whose cult spread across the country and lent her name to wells, parishes, and oratories from Connacht to the south-east. By the time the Ordnance Survey teams moved through Wexford in the late 1830s, the structure was already recorded not as a functioning chapel but as a site, suggesting it had fallen out of use or fallen down well before that survey was made. Whether it served a community through the worst of the Penal Laws, when Catholic worship was legally suppressed and Mass was sometimes said outdoors or in small unofficial buildings, is not recorded, though the timing of its disappearance from active use would be consistent with that broader pattern.

About 120 metres to the north-north-west of the church site lies the site of St Bridget's Well, a pairing that would have been entirely conventional in early Irish Christianity, where a holy well, typically a spring believed to carry curative or sacred properties, and a nearby oratory or church often functioned together as a local devotional complex. The two features together suggest that this low-lying ground at Trimmer carried some local religious significance long before any building was raised here, and perhaps long after the last stone of that building disappeared into the soil.