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.: Inis mac Nessáin

Documented AssociationGives the names of Early Christian ecclesiastics (the DIB terms such individuals often regarded as founders of churches — saints in the Irish tradition), whose association with the sites concerned is based on documentary sources.:Meic Nessáin
LineageThis records the reputed ancestral lines of individuals given in Doc Assoc.:Uí Dúnlainge
TownlandGives the townland (name spelt as in TTPBI Index) in which the site is (or is thought to be) located.:Ireland's Eye
ParishGives the civil (not ecclesiastical) parish in which the townland is situated.:Howth
DioceseThis records the medieval (not necessarily the same as the modern) diocese in which the foundation lies.:Dublin
BaronyGives the modern barony (as in TTPBI Index the baronies were rationalised in 19thC) in which the townland and civil parish are situated.:Coolock
CountyGives the county in which the barony lies.:Dublin
ProvinceGives both the civil province in which the county lies and the ecclesiastical province to which the diocese belongs.:Leinster; Dublin
SourcesThis is concerned almost exclusively with hagiographical sources (mainly Lives of the saints, martyrologies and genealogies of the saints) and relates to the individuals and lineages in Doc Assoc and Lineage.:Mart.O (15 Mar); Colgan, Acta, 609
Recorded HistoryThis concerns the subsequent history of the site, with emphasis on pre-Norman (or early post-Norman) native sources mainly annals but also including medieval ecclesiastical records (charters or taxations), English Crown documents and, on occasion, modern sources (especially surveys or maps, which may mark the location of lost sites or illuminate placenames).:Ann.Ult 702 (Síl nÁeda Sláine king killed on), 897 (Ann.FM =902; vikings besieged on), 960 (Ann.FM =962; pl. by Hebridean vikings); Alen's Reg 1179; Chart SM 1185
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
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; ch ruin; well: 'St Nessan' (Rutty 1757) unlocated
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.:Archdall 1786, 221; Wakeman 1892, 104; Hogan 1910, 467; Ó Danachair 1958, 79; Gwynn &; Hadcock 1970, app; Ó Riain 1985, 200 (n. 284), 326; Stout 1992, 34; MacShamhráin 2005a, 140
AddendumIncludes fragments of additional information (or comments on the part of the compilers) relating to the site in question.:see also Tech m Nessáin