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.: Dertech/Dairthech n-Uarrach

ParishGives the civil (not ecclesiastical) parish in which the townland is situated.:Dunshaughlin?
DeaneryThis records the rural deanery (a sub-division of the diocese) to which the parish belongs.:Ratoath?
DioceseThis records the medieval (not necessarily the same as the modern) diocese in which the foundation lies.:Meath
BaronyGives the modern barony (as in TTPBI Index the baronies were rationalised in 19thC) in which the townland and civil parish are situated.:Ratoath?
CountyGives the county in which the barony lies.:Meath
ProvinceGives both the civil province in which the county lies and the ecclesiastical province to which the diocese belongs.:Leinster; Armagh
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).:Chr.?; Ann.Ult; Ann.FM (if this site intended) - see clerics
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
Succession RecordLists ecclesiastics, male or female, who succeeded to offices at the foundation concerned abbots, abbesses, comarbai, bishops often clerics of less exalted rank such as treasurers, lectors, scribes. These lists make no claim to be exhaustive; fuller accounts for major sites can be found in the New History of Ireland, vol. 8, and in published prosopographies.:cleric: 719 (Drostan Dairtige died at Ard Breccáin)
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, 556; Manning 2000, 38
AddendumIncludes fragments of additional information (or comments on the part of the compilers) relating to the site in question.:nr L. Gabor, Treoit; poss assoc of Trostán with Dairthech (qv), Co Derry