FoundationGives the name of the site — generally in its Old Irish form, (if attested in early or medieval sources, or if it appears to be readily reconstructable) otherwise the modern English placename is given.: Cathair Pátraic

Traditional AssociationGives the names of Early Christian ecclesiastics whose association with the sites concerned is based on tradition, dedication or placename association.:Patrick?
TownlandGives the townland (name spelt as in TTPBI Index) in which the site is (or is thought to be) located.:Caher Isld
ParishGives the civil (not ecclesiastical) parish in which the townland is situated.:Kilgeever
DioceseThis records the medieval (not necessarily the same as the modern) diocese in which the foundation lies.:Mayo
BaronyGives the modern barony (as in TTPBI Index the baronies were rationalised in 19thC) in which the townland and civil parish are situated.:Murrisk
CountyGives the county in which the barony lies.:Mayo
ProvinceGives both the civil province in which the county lies and the ecclesiastical province to which the diocese belongs.:Connacht; Tuam
GenderThis seeks to classify foundations as male or female based on the gender of the reputed founder, the later succession-record or the placename of the site.:male
Familial LinksIndicates links between foundations, whether claimed in hagiographical sources (a lesser site said to have submitted to greater site), attested by charter, or indicated by tradition or placename evidence.:Patrician?/Armagh?
Folk TraditionRecords traditional stories, beliefs or practices (especially pilgrimages or patterns), or a tradition of clandestine burial either recorded or inferred from location names such as the killeen or the caldragh.:trad of St Patrick; pilgrimage 15 Aug
Field RemainsRecords physical remains of sites, whether visible in the field or accessed through excavation. Precedence is given to features considered to be characteristic of the Early Christian/pre-Reform era, such as enclosures, (especially circular or oval), cross-slabs, high-crosses, bullauns and raised areas — with round towers and church remains further down the list unless there is a strong case for doing otherwise.:eccl site; pillar stone (inscr Maltese Cross); cross-slabs x 14 (at least 5 date 7thC); ch ruin (med: St Patrick's); gvyd
ArtifactsIn general, this records only items which may support the case for the site as a pre-Reform ecclesiastical settlement (especially croziers, shrines, chalices etc) — whether recovered by search or excavation, or merely associated with the site by tradition. Also included are such items as querns and kilns as flour-production was an important part of life at ecclesiastical (although also, admittedly, at secular) settlement sites.:bell 'St P's black bell' extant early 19thC
BibliographyMentions secondary references (sometimes very select indeed) to the site concerned. Some contain detailed discussion, others (especially where little else seems to be available) only the briefest mentions. For details see the Bibliography page.:O'Flaherty 1684, 117; Hogan 1910, 171; Westropp 1915, 1-78; Henry 1947, 36-8; Herity 1989, 91-100; 1995, 99-122, 122-3, 125-7
AddendumIncludes fragments of additional information (or comments on the part of the compilers) relating to the site in question.:OS 94; otherwise Oileán na Naomh (O'D: OSL); cross design perhaps 7th-early 8thC (Henry)