Most of its headstones are gone, burial appears to have ceased around 1930, and by 1968 only the foundations of the western end of a plain rectangular building, roughly fifteen metres east to west and four metres north to south, remained visible. A skeleton discovered just north of the enclosure suggests the burial ground was once considerably larger than what survives today.

The site carries several layers of name and identity. A church here is recorded under the name Lochdaye or Laghty, meaning the Long Fort of Mac Mahon, from 1427, though it does not appear in the ecclesiastical taxation carried out between 1302 and 1306 under Pope Nicholas IV. By the end of the fifteenth century the church had come to be called Rackwallace, and the location may have been in use far earlier still: a reference from 834 and 838 describes the abbot of Armagh as being of a place called Rath Mac Malais, which scholars have associated with this general area. The names of clergy connected to the church are known from as early as 1532. There is a further complication in the documentary record: when a visitation by Spottiswood in 1622 describes the church of Rackwallace as newly built but poorly maintained, it is now thought the description more likely refers to the church that had by then been built in Monaghan town rather than to this earlier site. The Ordnance Survey maps of 1835 and 1907 record only the graveyard, not any standing church structure, and a handful of headstones with dates ranging from 1710 to 1794 have been noted and recorded, among the few surviving traces of what was once the spiritual centre of the parish.