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.: Airecal Muadáin

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.:Muadán Eps; Mo-Ernoc (LL 368)
TownlandGives the townland (name spelt as in TTPBI Index) in which the site is (or is thought to be) located.:Glebe?
ParishGives the civil (not ecclesiastical) parish in which the townland is situated.:Errigal Trough
DioceseThis records the medieval (not necessarily the same as the modern) diocese in which the foundation lies.:Clogher
BaronyGives the modern barony (as in TTPBI Index the baronies were rationalised in 19thC) in which the townland and civil parish are situated.:Trough
CountyGives the county in which the barony lies.:Monaghan
ProvinceGives both the civil province in which the county lies and the ecclesiastical province to which the diocese belongs.:Armagh; Ulster
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.T (30 Aug); Mart.G; Mart.D; Colgan, Acta 253
Clerical StatusThis seeks to classify foundations as episcopal coarbial or eremitic based on the clerical orders ascribed to the reputed founder, the later succession-record or the placename of the site.:episcopal?
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
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.:Hogan 1910, 22
AddendumIncludes fragments of additional information (or comments on the part of the compilers) relating to the site in question.:see also Aill Muadáin; confused with Airecal Adamnáin (qv), Co Derry (Archdall 1786, 82)