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The Tribes of Laigen
Leinster Series


Laigin * Tribes of Laigen * Kings of Leinster * Annals

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Ancient genealogy of Leinster

The ancient annals of Ireland tell us of many relationships among early tribal groups. Though the true genealogicial relationship of the older dynasts may in doubt, they do offer our only glimpse into the proto-history of the island prior to the 6th century. Some of these legend stories tell us about the Laigin, a name given to the early tribes of the province of Leinster, and of the sons of Cu Corb who came to rule in southeast Ireland at an early time.

The sons of Chú Chorb included: Nio Corb, Corbmac Losc, Messin Corb, and Cairpre Cluichechair. From these sons derive some of the earliest recorded tribes of Leinster.

(1) Dál Niad Cuirp, the clan of Nio Corb, including his descendants Maine Mál and Cathaír Már. Maine and Cathaír were sons of Fedelmid Fer Aurglas m. Corbmaic Gelta Gáeth m. Niad Cuirb (Nia Corb) m. Con Corb (Cu Chorb).

From Maine Mál descended the tribes of Úa Máil & Úa Téig & Úa Cellaich Cualann.

From Cathaír Már descended the tribes of Úa n-Dúnlainge & Úa Ceinselaich.

Sons of Cathaír Már:
(2) Dál Cormaic Luisc, the clan of Cormac Losc included the Úi Labrada, Úi Gabla Fini, Úi Gabla Roírenn, Uí Buide, Úi Dega Bic .i. Úi Muiredaig, Úi Chuilind, Úi Labrada Cuthraige .i. Síl Fergusa Cuthig, Úi Chuircc, Úi Librén, Úi Ochrai.

(3) Dál Messin Corb, the septs of Messin Corb included the Úi Garrchon, Úi Con Corbb, Úi Con Cainnig, Úi Chúáin, Úi Alténi, Úi Doccomláin, Úi Bróccáin, Úi Garbáin, Úi Chon Galand, Úi Bróccéni, Cenél Ciaráin & Úi Techtaire, Úi Meic Aird Maigne & Úi Moínaig & Úi Conndoith & Úi Feichíne & Úi Cáechtangéni, Úi Noíthig & Úi Follomuin & Úi Forandlo, Úi Dímmae Cirr & Úi Congnaid, Úi Dubchróin & Úi Beraich, Úi Donnáin & Úi Sáráin,

(4) Dál Cairpre Cluichechair, the clan of Cairpre Cluichechair included the Dál Carpri Arad of east Munster.

Other early Tribes on this page include the Osraighe (Ossory), Loígis (Laois), Fothairt (Fotharta of Forth), Benntraige (Bantry).


Some of the original Laiginian tribes included the Uí Failge, Uí Bairrche and Uí Enechglaiss.

Uí Failge

Cathair Mór was the ancestor of the Free Tribes of Leinster: through his son Ross Failge descended the Uí Failge. The Uí Failge dynasty in later times are noted in the three septs of the Ua Conchobair Failghe (O'Connor Faly), the Uí Riacáin (O'Dunne), and the Clann Máellugra (O'Dempsey). Under the O'Connor Faly, the Uí Failge are noted in the 16th century as one of the last Gaelic lordships to fall to the English Crown.

An early Uí Failge (O'Connor) genealogy:
Donnchad mc Con Faifne m. Murchertaig m. Congalaig m. Duind Slébi m. Brógarbáin m. Conchobuir m. Find m. Máel Mórdae m. Conchobuir m. Flannacáin m. Cináeda m. Mugróin m. Óengussa m. Flaind m. Díumasaig m. Forannáin m. Congalaig m. Máel h-Umae m. Cathail m. Éogain Bruidne m. Nath Í m. Rossa Failgi m. Cathaír Máir.

The Annals cite:
  • For 501/10, The battle of Freamhain, in Meath, against Fiacha, son of Niall, by Failge Berraidhe.
  • For 600/04, Conall, son of Suibhne, slew Aedh Roin, chief of Ui Failghe, at Faithche Mic Mencnain, and Aedh Buidhe, chief of Ui Maine & Tethba, that is h-Ua Mane maic Neill, on the same day on which Aedh Slaine was slain by him.
  • For 648, The battle of Cuil Corra, by Aeldeith and Onchu, where Cuillene, son of Forannan, chief of Ui Failghe, was slain.
  • For 714, Coscradh Garbsalcha a m-Midhi in quo cecidit Forbusach nepos Congaile, rex h-Ua Failghe, apud uiros Midhi uno díe et bellum praedictum.
  • For 741, Ailello Corraigh m. Flainn regis Oa Failghe.
  • For 746, Flann grandson of Conghal, Lord of Ui Foilge, died.
  • For 751, Fland h-úa Conghaile, rí h-Úa Failge, died.
  • For 755/50, Flaithnia, son of Flann, son of Congal, chief of Ui Failghe, died.
  • For 757/52, Cumasgach, lord of Ui Failghe, was slain by Maelduin, son of Aedh Beannain, King of Munster.
  • For 777, Mughron, son of Flann, Lord of Ui Failghe, was slain in the battle of Cuirreach, by the side of Cill Dara.
  • For 778, Domhnall, son of Flaithniadh, chief of Ui Failghe, was slain at Cluain Conaire (Cloncurry).
  • For 798, Oenghus Ua Mughroin, lord of Ui Failghe, was slain through treachery by his own people.
  • For 801, Flaithiusa, son of Cinaedh, lord of Ui Failghe, was slain at Rath Imghain.
  • For 826, Cinaedh, son of Moghron, lord of Ui Failghe, died.
  • For 841, Mughroin, son of Aenghus, lord of Ui Failghe, died.
  • For 847, Niall, son of Cinaedh, lord of Ui Failghe, died.
  • For 878, Maelsinchill, son of Mughron, lord of Ui Failghe, died.
  • For 887, Conchobhar, son of Flannagan, lord of Ui Failghe, was destroyed by fire at Cluain Foda Fini, in the church.
  • For 892, Uathmharan, son of Conchobhar, lord of Ui Failghe, was treacherously killed by Cosgrach, son of Reachtabhra; and Cosgrach, son of Reachtabhra, Tanist of Ui Failghe, was killed in revenge of him.
  • For 905, Uallachán, mac Cathail, tanaisi Ua Failghe, was slain.
  • For 920, Cionaedh, mac Conchobhair, tighearna Ua Failge.
  • For 921, Maol Mordha, mac Conchubhair, tighearna Ua Failghe.
  • For 926, Lorcán, mac Maoil Céin, tigherna Ua Failghe, died.
  • For 936, Conchobhar, mac Maeil Chein, tighearna Ua Failghe, & a dhá mhac do mharbhadh lá Lorcán, mac Faoláin, tighearna Laighen.
  • For 937, Cian, mac Aenghusa, do mharbhadh la h-Uib Failge.
  • For 937/39, Aimhirgin mac Cionaetha, tighearna Ua f-Failghe
  • For 944, Aimhirgin, mac Cionaedha, tighearna Ua Failghe, died.
  • For 955, MaelSechlainn, mac Aimhirgin, tighearna Ua Failghe, died.
  • For 957, Domhnall, mac Maoil Mordha, tighearna Ua Failghe, died.
  • For 977/79, Conchobhar, mac Find, tigherna Ua Failge, died.
  • For 993, Conn, mac Conghalaigh, tigherna Ua f-Failghe, was slain.
  • For 1014, Conghalach, mac Conchobhair, tigherna Ua Failghe.
  • For 1017, Conghalach, mac Concobhair, mic Find, tigherna Ua Failghe, died.
  • For 1026, Muirchertach mac Congalaig ri h-Úa Fuilge interfectus est o Gallaib Atha Cliath.
  • For 1050, Donnchadh mac Gilla Faelán, rí h-Úa Failge, died.
  • For 1051, O Concobair, rí O Failghe, was slain.
  • For 1055, Ua Sibhliain, tigherna Ua f-Failghe, was slain.
  • For 1070, Muirchertach Ua Conchobhair, tigherna Ua Failghe do dhalladh la a dherbhrathair, Conchobhar.
  • For 1084, Congalach mac Murchadha h-Úi Conchobair Failghi.
  • For 1089, Donnchadh mac Domhnaill Reamhair, tigherna Laighen (no Ua c-Censelaigh) do mharbhadh do Chonchobhar Ua Concobhair Failgi tria bhaoghal.
  • For 1094, Conchobhar Ua Conchobhair, tigherna Ua b-Failghe.
  • For 1102, Murchertach h-Úa Conchobair Failghe, died.
  • For 1115, Conchobhar Ua Conchobhair, tigherna Ua f-Failghe.
  • For 1130, Cú Aifne Ua Conchobhair, tigherna Ua f-Failghe, died.
  • For 1134, Donnchadh .i. mac Con Aifne Ua Conchobhair, tigherna Ua Failghe.
  • For 1141, Donnchadh mac Guill Gaibhle .i. Ua Conchobhair Failge, do mharbhadh do Uibh Failge feissin .i. do Cloinn Mhaoil Ughra.
  • For 1155, An t-Aithchlérech Ua Conchobhair Failghe, was slain.
  • For 1159, Aodh, mac Donnchaidh Uí Conchobhair, tigherna Ua b-Failghe, was slain.
  • For 1161, Maol Sechlainn Ua Conchobhair h-i t-tighernas Ua b-Failghe.
  • For 1161, Domhnall, mac Conghalaigh mic Con Aifne Ui Chonchobhair Failghe, tanaisi Ua Failghe, do mharbhadh la Cloinn Mhaoili Oghra.
  • For 1162, Uí Diomusaigh .i. Ceallach, Cú Broga, & Cuilén do mharbhadh lá Maoil Sechloinn Ua c-Concobhair, tigherna Ua Failghe, for lár Cille h-Achaidh.
  • For 1164, Mael Sechlainn h-Úa Chonchobair Failge do marbadh do Claind Mail Ugra isin mebail do-rindi orro.
  • For 1172, Coin Aifne mac Aedha Uí Concobair Failge.

    Other descended septs of the Uí Failge

    Uí Riacáin

    The O'Duinn (Dunne) sept were Lords of Uí Riacáin (Iregan), naming their territory after their ancestor Riacáin. Riacáin was a son of the Uí Failge over-king Cináed, and a grandson of Mugrón, another Uí Failge king who was slain beside Kildare monastery in 782. By the 11th century the O'Duinn territory was located in the barony of Tinnahich, the most northern barony of Co Leix (Laois).

    An early Uí Riacáin genealogy:
    Cerball & Mac Tíre dá m. Con Bladma m. Con Allaid m. Fidallaid m. Duinn m. Duibgilla m. Máel Finne m. Riacáin m. Cináeda m. Mugróin.

    Clann Máellugra (O'Dempsey).

    The O'Dempsey family derive their name from Diummasach, an 11th century Uí Failge prince of the Clann Máel Ugra. The Clann Máel Ugra, in turn, took their name from Máelaugrai, an Uí Failge chieftain who flourished in the middel of the 9th century. The center of their territory was near Ballybrittas in northeast Co. Leix.

    The Annals cite:
  • For 789, Áedh [grandfather of Máelaugrai] was slain by Óengus son of Mugrón, king of Uí Failge, in the oratory of Kilclonfert.

    Clann Colgcan.

    Septs of Clann Cholgaín noted in northern Offaly were the septs of Ua hUallachain (O'Holohan or O'Houlihan) and Ua hAonghusa (O'Hennessy). Other Clann Colgcan septs noted in the ancient genealogies included the Úi Rotaidi, the Úi Muricáin, the Úi Bróen and the Úi Cholgan.

    An early Clann Colgcan (Ua hUallachain) genealogy: Mac Tíre Úa h-Uallacháin m. Cuiléoin m. Conchobuir m. Meic Thíre m. h-Uallacháin m. Fogartaich m. Cumascaig m. Colgcan m. Mugróin m. Flaind Dá Chongal m. Díumasaich m. Forannáin m. Congaile m. Máel h-Umai m. Cathail [m. Éogain] m. Bruidge m. Nath Í m. Rosa Failgi m. Cathaír Máir.

    An early Clann Colgcan (Ua hAonghusa) genealogy: Domnall Úa Óengusa m. Áeda m. Uallacháin m. Taidgc m. Uallacháin m. Taidgc m. Domnaill m. Óengusa m. Cummascaig m. Colgcan m. Mugróin m. Flaind Dá Chongal m. Díumasaich m. Forannáin m. Congaile m. Máel h-Umai m. Cathail [m. Éogain] m. Bruidge m. Nath Í m. Rosa Failgi m. Cathaír Máir.


    Uí Bairrche

    Through Cathair Mor's son, Daire Barrach, is claimed to descend the Uí Bairrche (e.g. O'Gorman). The original Uí Bairrche are said to be related to the Brigantes tribe of northern Britain, and that they ruled southern Leinster from the earliest centuries A.D. until their power was broken by the Uí Cheinnselaig. At that time they were split into at least two major grougs, the Uí Bairrche of northern Carlow (Ui Bairrche Maighe) and those of southern Wexford (Ui Bairrche Tire).

    An early genealogy of the Uí Bairrche:
    Gussán mc Muiredaig m. Meic Raith m. Gormáin m. Muircherdaig m. Donnchada m. Áeda m. Tressaig m. Luachdaib m. Gussáin m. Dúnacáin m. Gormáin m. Echach m. Coibdenaig m. Máel h-Umae m. Suibne m. Domnaill m. Cormaicc m. Diarmata m. Echach Guinig m. Óengussa m. Meicc Ercca m. Breccáin m. Féicc m. Dáire Barraig m. Cathaír Máir.

    An alternate early genealogy of the Uí Bairrche:
    Dub Lenna m. Conaill m. Siadail m. Máelhuidir m. Concellaich m. Mencosaich m. Conamla m. Faílbe m. Bairrche m. Niad Cuirb m. Buain m. Lóegaire Birn Buadaig m. Óengusa Osfríthi.

    The Annals cite:
  • For 465/79, Crimhthann, son of Enda Censelach, King of Leinster, was killed by the son of his own daughter, i.e. Eochaidh Guineach, one of the Ui Bairrche.
  • For 854, Faelchadh, son of Forbhasach, lord of Ui Bairrche Maighe, died.
  • For 856, Cearnach, son of Cinaeth, lord of Ui Bairrche Tire, died.
  • For 866, Conn, son of Cinaedh, lord of Ui Bairrchi Tire, was slain while demolishing the fortress of the foreigners.
  • For 867, Cian, son of Cumasgach, lord of Ui Bairrchi Tire, died.
  • For 884, Treasach, son of Becan, chief of Ui Bairche Maighe, was slain by Aedh, son of Ilguine.
  • For 885, The mortal wounding of Maelchertaigh, son of Fiachra, lord of Ui Bairche.
  • For 886, Gormacan, son of Flann, chief of Ui Bairrche Tire, died.
  • For 896, Dubhlachtna, son of Ceirine, lord of Ui Bairrche, died. For 906, Aedh, mac Duibhghiolla, tighearna Ua n-Dróna na t-Trí Maighe, tanaisi Ua c-Ceinnselaigh, do mharbhadh la h-Uibh Bairrche.
  • For 1042, Dondchadh mac Aeda, rí h-Ua m-Bairrche.
  • For 1042, Mac Craith mac Gormain maic Tresaig ri H-ua m-Bairrche.


    Uí Enechglaiss

    Through Cathair Mor's son, Bressal Enechglass, descended the Uí Enechglaiss (e.g. O'Feary). During the ascendancy of the Uí Dúnlainge in th 5th and 6th centuries, the Uí Enechglaiss were driven across the Wicklow mountains, to south of Arklow in county Wicklow, from their original holdings near the plains Brega and the river Liffey. A similar fate appears to have transpired for the Dál Messin Corb who moved to an area just north of the Uí Enechglaiss about this same time.

    An early Uí Enechglais genealogy:
    Dúnlang m. Fiachrach m. Fínnsnechtae m. Cináeda m. Cathail m. Fiachrach m. Dúnchada m. Dúnlaing m. Dúngalaig m. Thuamín m. Máel Doborchon m. Dícolla m. Éogain [m. Beraig] m. Muiredaig m. Amalgada m. Nath Í m. Bressail Enechglais m. Cathaír Máir.

    The Annals cite:
  • For 485, Battle of Mag Femin in Muntser, and the death of Mac Cairthinn mac Coélboth, Ui Enechglaiss king of Leinster.


    Enna Nia, son of Bressal Bélach, son of Fiachu Baicced, son of Cathir Mor, was the progenitor of the northern Leinster septs of the Uí Dúnlainge, the Uí Briúin Cuallan (e.g. Cosgrave), and the Uí Fergusa.

    Uí Dúnlainge

    The rise of the Uí Dúnlainge in Leinster appears to coincide with that of the rise of the southern Uí Neill in Meath and Westmeath, indicating perhaps a defeat of former dominant tribes by the southern Uí Neill, or perhaps indicating an earlier Uí Dúnlainge connection in that area to the north. The Uí Dúnlainge dynasty branched out into the three powerful septs of Uí Muiredaig (e.g. O'Toole), Uí Dúnchada (e.g. Fitz Dermot), and Uí Fáeláin (e.g. O'Byrne). From the 6th to the 9th centuries, the Uí Dúnlainge monopolized the kingship of Leinster. With their principal stronghold at Naas, they also dominated northern Leinster (excluding Brega and Mide) from at least the 8th century to the time of the Norman Invasion.

    An early Uí Dúnlainge genealogy:
    Illaind m. Dunlainge m. Enna Niadh m. Breasail Belaigh m. Fiachach Baicced m. Cathaír Máir.

    The Annals cite:
  • For 527, The death of Illaind mc. Dunlainge mc. Enna Niadh mc. Breasail Belaigh.

    Uí Muiredaig (O'Toole),



    An early Uí Muiredaig genealogy:
    Tadc m. Dúnlaing mc Augaire m. Donnchada m. Lorccáin m. Augaire m. Thuathail m. Dúnlaing m. Thuathail m. Augaire m. Ailella m. Dúnlaing m. Muiredaig m. Bráen [Ardchenn] m. Muiredaig m. Murchada m. Bráen (d. 693)

    The Annals cite:
  • For 1164, Muirchertach h-Úa Tuathail, rí h-Úa Muredhaig, died.

    Uí Dúnchada

    The traditional lands of the powerful Uí Dúnchada sept of the Uí Dúnlainge were on the borders of counties Kildare and Dublin. One of their early kings, Mac Gilla Mo-Cholmóg of the mid 11th century, is claimed to have given us the family surname Fitz Dermot.

    An early Uí Dúnchada genealogy:
    Donnchad m. Murchertaig m. Gillai Chéile m. Gillai Mo Cholmóc m. Cellaich m. Dúnchada m. Lorccáin m. Fáeláin m. Muiredaig m. Bróen m. Fáeláin m. Cellaich m. Dúnchada m. Murchada.

    The Annals cite:
  • For 995, Mathghamhain, mac Cerbhaill, tigherna Ua n-Dunchadha, do mharbhadh i n-Ath Cliath la Maol Mórdha, mac Murchadha.
  • For 1044, Murchadh mac Brain, ri h-Úa Faelan, do marbadh do Mac Gilla Mo Cholmóc do rigdamna h-Úa n-Dunchadha.

    Uí Fáeláin (O'Byrne)

    An early Uí Fáeláin genealogy:
    Domnall mc Cerbaill m. Murchada m. Máel Mórda m. Cerbaill m. Fáeláin m. Murchada m. Find m. Máel Mórda m. Muirecain m. Diarmata m. Rhuadri m. Fáeláin m. Murchada m. Bráen (d. 693)

    The Annals cite:
  • For 690/93, Bran Ua Faelain, King of Leinster, died.
  • For 837, Bran, son of Faelan, from whom is named Ui Faelain, King of Leinster, died.
  • For 970, Ceallach, mac Domhnaill, mic Finn, mic Maoil Mordha, tigherna Ua f-Faeláin.
  • For 1024, Donn Slébhe, mac Maoil Mordha, tigherna Ua Faeláin.
  • For 1039, Domnall mac Donnchada, rí h-Úa Faelan, occissus est la Domnall h-Ua Fergail ríg na Forthuath.
  • For 1044, Murchadh mac Brain, ri h-Úa Faelan, do marbadh do Mac Gilla Mo Cholmóc do rigdamna h-Úa n-Dunchadha.
  • For 1050, An Gilla Cláen h-Úa Ciarrdha, rí Cairpri, do thoitim la h-Uib Faelain.


    Uí Fergusa

    Descended Fergus son of Dúnlang, son fo Enna Nia, son of Bressal Bélach, son of Fiachu Baicced, son of Cathir Mor. The Uí Fergusa were a sub-sept of the Uí Dúnlainge with their traditional territory immediately west of Dublin prior to the arrival of the Vikings.

    The Annals cite:
  • For 887, A slaughter was made of the Osraighi by the Deisi, and the killing of Braenan, son of Cearbhall, and also of Suibhne, son of Dunghus, lord of Ui Fearghusa.


    Uí Briúin Cuallan (Cosgrave)

    Descended from Brian, son of Enna Nia, son of Bressal Bélach, son of Fiachu Baicced, son of Cathir Mor. The Cosgrave, or Cosgrove, sept is cited as lords of Uí Briúin Cuallan, with their power center at Powerscourt in County Wicklow prior to the Anglo-Norman invasion. Traditional lands of this sub-sept of the Uí Dúnlainge were in southern County Dublin. The O'Tooles and O'Byrnes became dominant in this area after being driven from the ancestral lands in Co. Kildare by the Normans.

    The Annals cite:
  • For 472, Toca, son of Aedh, son of Senach, chief of Crioch Cualann, in Leinster, died.
  • For 738, Dubhdothra, Lord of Ui Briuin Cualann, was mortally wounded.
  • For 773, Tuathal, son of Crumhthann, chief of Cualann, died.
  • For 783, Guaire, son of Dungalach, died; he was lord of Ui Briuin Cualann.
  • For 868, Cinaedh, son of Fearghal, lord of Ui Briuin Cualann, died.
  • For 878, Flaitheamhain, son of Ceallach, lord of Ui Briuin Cualann, died.
  • For 890, Cinneidigh, son of Cinaedh, lord of Ui Briuin, was slain by the Fortuatha of Leinster.
  • For 899, Dubhcheann, son of Cinaedh, lord of Feara Cualann, died.
  • For 1130, Giolla Cualann mac meic Dúnghaile, tigherna Ua m-Briúin Cualann, was slain.
  • For 1141, Muirchertach Mac Giolla Mo Cholmóg, tigherna Fer g-Cualann.


    In the 9th century the chief dynasties which controlled all of the southern and central regions of Laigen were the Uí Cheinnselaig, the Uí Dega, and the Uí Dróna.

    Uí Cheinnselaig

    Descended from Labraid Laidech, son of Bressal Bélach, son of Fiachu Baicced, son of Cathair Mór. The Uí Cheinnselaig dynasty branched out into the powerful sept of the Sil Fáelchán (Mac Murrough), as well as the septs of the Uí Felmeda Thes (Murphy), the Uí Felmeda Tuaid (O'Garvey), the Sil Chormaic, the Sil Máeluidir (Hartley), the Uí Fergusa of Wexford, the Clann Guaire, and the Clann Fiachu meic Ailella.

    An early Uí Cheinnselaig genealogy:
    Énna m. Donnchada m. Murchada m. Diarmata m. Donnchada qui fuit Máel na m-Bó m. Diarmata m. Domnaill m. Cellaig m. Cinaída m. Carpre m. Diarmata m. Rudgaile m. Áeda m. Onchon m. Fáelchon Taulchatait m. Fáeláin m. Síláin m. Éogain Cáech m. Nath Í m. Crimthaind m. Énnai Ceinnselaig m. Labrada m. Bresail Bélaig m. Fiachach Ba Aiccid m. Cathaír Máir.

    The Annals cite:
  • For 405, After Niall of the Nine Hostages, son of Eochaidh Muighmheadhoin, had been twenty seven years in the sovereignty of Ireland, he was slain by Eochaidh, son of Enna Ceinnseallach, at Muir nIcht, i.e. the sea between France and England.
  • For 586, The battle of Magh Ochtair was gained by Bran Dubh, son of Eochaidh, over the Ui Neill, at the hill over Cluain Conaire, to the south.
  • For 593, Cumuscach, son of Aedh, son of Ainmire, was slain by Bran Dubh, son of Eochaidh, at Dun Bucat.
  • For 594, After Aedh, son of Ainmire, son of Sedna, had been twenty seven years in the sovereignty of Ireland, he was slain by Bran Dubh, son of Eochaidh, in the battle of Dun Bolg, in Leinster, after Aedh had gone to exact the Borumha, and to avenge his son Comusgach upon them.
  • For 597, The sword blows of Bran Dubh in Breagh.
  • For 601, The battle of Slaibhre was gained by the Ui Neill over Bran Dubh, son Eochaidh, King of Leinster; and Bran Dubh, i.e. son of Eochaidh, was killed by the Airchinneach of Senboithe Sine, and his own tribe.
  • For 605, Bran Duibh, king of Laegen, son of Eochaidh mc. Muireadhaigh mc. Aedha mc. Fheidhlim mc. Enna Ceinnsealaigh mc. Labrada mc. Breasail Belaigh mc. Fiacha ba Aicceadha mc. Cathair Mhoir
  • For 644, Bolgluatha, Lord of Ui Ceinnsealaigh, died.
  • For 741, Seachnasach, son of Colgan, Lord of Ui Ceinnsealaigh, died.
  • For 742, Seachnasach, son of Colgan, King of South Leinster, died.
  • for 753, Cathal Ua Cinaetha, chief of Ui Ceinsealaigh, died.
  • For 756, The battle of Bealach Gabhrain was fought between the men of Leinster and Osraighe Ossory, in which the son of Cucerca had the victory, and Donngal, son of Laidhgnen, lord of Ui Ceinsealaigh, and other chieftains along with him, were slain.
  • For 764, The battle of Fearna (Ferns) was fought by the Ui Ceinn Sealaigh, in which Dubhchalgach, son of Laidhgnen, [and reigning Ui Ceinnsealaigh king], was slain [by Cennselach of Sil Maeluidir].
  • For 765, A conflict between the Ui Ceinnsealaigh, in which Edersgel, son of Aedh, son of Colgan, had the victory, and in which Ceinnsealach, son of Bran, was slain by him.
  • For 773, Edersgel, son of Aedh, son of Colgan, lord of Ui Ceinnsealaigh, died.
  • For 788, Cairbre, son of Laidhgnen, lord of South Leinster, died.
  • For 804, A battle between two parties of the Ui Ceinnsealaigh, in which Ceallach, son of Donnghall, was slain.
  • For 813, Cuchoingealta, son of Cathal, lord of South Leinster, died.
  • For 817, Cathal, son of Dunlaing, lord of Ui Ceinnsealaigh, died.
  • For 826, A battle was gained over the foreigners by Cairbre, son of Cathal, lord of Ui Ceinnsealaigh.
  • For 834, The capture of Cairbre, son of Cathal, lord of South Leinster.
  • For 842, Cairbre, son of Cathal, King of South Leinster, died.
  • For 851, Eachtighern, son of Guaire, lord of South Leinster, was treacherously slain by Bruadar, son of Aedh, and Cearbhall, son of Donghal. Bruadar, son of Aedh, was himself slain at the end of eight days afterwards, by the people of Echtighern, in revenge of their lord.
  • For 856, Ceallach, son of Guaire, lord of Ui Ceinnsealaigh, died.
  • For 861, Tadhg, son of Diarmaid, lord of Ui Ceinnsealaigh, was slain by his own brethren.
  • For 865, Ceanannan, son of Ceallach, heir presumptive of Ui Ceinnselaigh, died.
  • For 867, Donnagan, son of Ceadfadh, lord of Ui Ceinnsealaigh, was slain. Conang, only son of Flann, son of Conang, was slain by the Ui Ceinnsealaigh.
  • For 874, Cairbre, son of Diarmaid, lord of Ui Ceinnsealaigh, was slain by his own brethren.
  • For 874, Dunghal, son of Faelan, Tanist of Ui Ceinnsealaigh, died.
  • For 875, The plundering of Ui Ceinnsealaigh by Cinneidigh, son of Gaeithin, lord of Laeighis; and numbers were slain by him.
  • For 877, Flannagan, son of Faelan, heir apparent of Ui Ceinnsealaigh, died.
  • For 899, Riagan, son of Echtighearn, lord of Ui Ceinnsealaigh, died.
  • For 899, Faelan, son of Guaire, lord of Ui Ceinnsealaigh, died.
  • For 922, Tadc, son of Faelan, king of Ui Cennselaig.
  • For 933, Cionaedh, mac Coirpre, lord of Ua Ceindsealaigh, was slain by Gallaibh Locha Garman.
  • For 936, Bruadar, mac Duibhghiolla, lord of Ua Ceinnsealaigh, was slain by Tuathal, son of Ughaire.
  • For 1024, Mhaolmórdha mac Lorcáin, lord of Ua Ceinnsealaigh.
  • For 1115, Donnchadh ua Maoil na m-Bo, lord of Ua Ceinnselaigh.

    Síl Fáelchán

    The MacMurrough clan of Síl Fáelchán came into prominence in the middle of the 11th century. As kings of Leinster they were descended from the Síl Mella, a sept founded by Éogan Cáech, son of Nath Í, and great-grandson of Énna Ceinnselach the namesake for the Ua Ceinnselaigh. The Ua Finntighearn (Finneran) clan were also descended from Síl Mella and occupied north-east Wexford when the Normans arrived in the late 12th century. The Gahan's of Síl Ealaig are descended from the Síl Fáelchán, and gave their tribal name to the barony of Shillelagh in County Wicklow.

    Uí Felmeda Thes - included the Murphy sept of Offelimy in County Wexford.

    The Annals cite:
  • For 901, Ciarodhar, son of Crunnmhael, lord of Ui Felmedha, was slain.

    Uí Felmeda Tuaid - included the O'Garvey sept of the Rathvilly area in County Carlow.

    Sil Chormaic

    The Sil Chormaic had held the richest land in the River Slaney basin in County Wexford prior to be usurped by the Mac Murchadha (Mac Murrough) sept by the middle of the 11th century. The area included the MacMurrough royal demesne around Ferns, as well as the barony of Scarawalsh.

    An early Sil Chormaic genealogy:
    Rián m. Bruatair m. Áeda m. Cairpre m. Laidcnén m. Colmáin m. Áeda Róin m. Crunnmaíl m. Rónáin m. Colmáin m. Cormaicc m. Nath Í m. Crimthaind m. Énnai Ceinselaig m. Labrada m. Bresail m. Fiachach m. Cathaír Máir.

    Sil Máeluidir

    The Sil Máeluidir were a Uí Cheinnselaig sept who left their names on the baronies of Shelmalier in county Wexford, and were represented in the 12th century by Ua hArtghaile (Hartley) of Ferann na Cenél.

    The Annals cite:
  • For 738, Aedh mac Colgan, rí h-Úa Cendsilaigh & Bran Becc mac Murchadha da ríg Laigen, & Fergus mac Maenaig & Dub Da Crich, mac h-úi Cellaigh, maic Trena, da ríg Fothart, Fiangalach h-ua Mail-Aithgen, Conall húa Aithechda, ceithri maic Floind h-úi Congaile. Eladach h-úa Mael Uidir, et ceteri multi qui compendii causa omissi sunt.


    Uí Dega

    Claimed to be descended from Labraid Laidech, son of Bressal Bélach, son of Fiachu Baicced, son of Cathair Mór, the Uí Dega are later represented by the family of O'Hay or Hughes. Their main territory was centered at Limerick Hill (Luimnech) in north County Wexford. The early Uí Dega septs were likely genealogically independent of the Uí Cheinnselaig, who in later years took over the kingship of the tribe. One early genealogy links the tribal name to the Fothairt Maigi Ítha. Another links them to the same line as the Osraighe. Also noted with the same tribal name include the Uí Dega Tamhnaige of north Ossory and the Uí Dega Bic of Offaly (of the Uí Labrada).

    The Annals cite:
  • For 761, Dondgal son of Laidcnén, from whom descended Cellach Bairne, head of the Uí Dega, died in the battle of Gowran.


    Uí Dróna

    Claiming descent from Labraid Laidech, son of Bressal Bélach, son of Fiachu Baicced, son of Cathair Mór, the sept of O'Ryan were later lords of Uí Dróna. The name Uí Dróna is preserved in the baronies of Idrone East and West in county Carlow. Much of Idrone country belonged early to the Uí Bairrche. An early Uí Dróna genealogy displays their descent from Drón, a brother of Enna Cennseach (progenitor of the Uí Chennselaig). From at least the 10th century, the territory of the Uí Dróna was ruled by a branch of the Uí Chennselaig who later took the name Ua Riain (O'Ryan). The name originates from Rián, who was of the 10th century. The original Uí Dróna, like the original Uí Dega, were likely genealogically independent of the Uí Chennselaig.

    The Annals cite:
  • For 906, Aedh, mac Duibhghiolla, tighearna Ua n-Dróna na t-Trí Maighe, tanaisi Ua c-Ceinnselaigh, was slain by the Ui Bairrche.
  • For 944, Dunlaing, mac Aedha, tighearna Ua n-Dróna, was slain.
  • For 1015/16, Tadhg ua Riain, tighearna Ua n-Dróna, was slain.
  • For 1087, mac Murchadhauí Domhnaill im tigherna h-Ua n-Drona.
  • For 1103, Ua Riain, tigherna Ua n-Dróna.


    Genealogy Lore of the Non-Free Tribes of Laigin


    Dál Cairpre Arad

    From Cú Corb's son Cairpre descend the Dál Cairpre Arad of Munster.

    An early Dál Cairpre Arad genealogy:
    Flaithbertach m. Crunnmaíl m. Commáin m. Fínáin m. Fhaigir m. Eirníne m. Féicc m. Meic Ieir m. Gossa m. Fabrich m. Máil m. Ainmerech m. Fir Roith m. Muine m. Fir Neud m. Fir Lugdach m. Buain m. Argatibair m. Cairpre Cluichechair m. Con Corb.

    see also the Kingdom of Munster">.


    From Cú Corb's son Corbmac descend the Dál Chormaic, Uí Gabla, Uí Labrada, Uí Buide (O'Kealy), and the Cuthraige.

    Dál Chormaic

    The Dál Chormaic, along with the Dál Messin Corb, were anciently claimed to hold the important plains of Kildare up to the 5th century. In later years their chief center was located in the southernmost barony of County Kildare, that is the barony of Kilkea and Moone.

    Uí Gabla

    As a branch of the Dál Chormaic, septs included the Úi Gabla Fine and the Úi Gabla Roírenn. The Úi Gabla Roírenn took their name from Roíriu (now Mullaghreelion) a few miles south of Athy in south Kildare. The Úi Gabla Fine were located in the barony of North Salt in northern County Kildare. An Uí Gabla sept was also located near the Figile river on the Offaly/Kildare border.

    The Annals cite:
  • For 504, Cath Inde Mori i crich Ua n-Gabla for Illand mac Dunlaing la Laigníu, in quo Murchertach mac Erca uictor erat.
  • For 1072, h-Ua Flaithri, rí Ulad, & a mac Aisidh, rí h-úa n-Gabla, da loscad a tigh tenedh & sochaidhe olchena.

    Uí Labrada

    The Úi Labrada are said to descend from Labrada, son of Imchad, son of Corbmac, son of Chu Chorb. Another tribe of the same name (of Ulster?) is said to descend from one of the Three Collas (Colla Fochrith).

    An early Uí Labrada genealogy:
    Sinchell m. Cenannáin m. Macha mc Cruaich m. Dulge m. Imchada m. Brolaich m. Lugdach m. Labrada m. Imchada m. Corbmaic m. Con Corb.

    The Annals cite:
  • For 1039, Muiredhach mac Flaithbertaig h-Úi Neill was slain by the Ui Labrada.


    Uí Buide (O'Kealy).

    The traditional lands of the Uí Buide were in the barony of Ballyadams, County Leix. After the coming of the Normans in the late 12th century, this area was set up as a marcher lordship under the cantred name of Oboy (an anglicized form of Uí Buide), and later came under the control of the O'Mores during the Gaelic revival of the 14th century. The surname O'Kealy or O'Kelly in county Leix and Kilkenny is derived from a clan name of the Uí Buide.

    An early Uí Buide genealogy:
    Echthigern m. Donngusa m. Mencossaig m. Máelgairb m. h-Uargusa m. Buide a quo Úi Buide m. Laidcnén m. Cuimmíne m. Colmáin Elténe m. Blaithmeic m. Áeda Indén m. Cathbad m. Labrada m. Imchada m. Cormaic m. Con Corb.

    The Annals cite:
  • For 1010, Faelán, mac Dunlaing, tigherna Ua m-Buidhe, died.


    Uí Máil

    Maine Mál was the ancestor of the Uí Máil, which included the septs of the Uí Theig (O'Tighe) and Uí Ceallaig Cuallan (O'Kelly of the Dublin/Wicklow hills). The Uí Máil dominated the kingship of Leinster in the 7th century before being eventually ousted by the Uí Dunlainge. From that time until the early 13th century, the Uí Máil were located along the western foothills of the Wicklow mountains. The Glen of Imaal, named for them, appears to be a center of their power.

    An early Uí Máil genealogy:
    Cellaig Cualann (a quo Úi Chellaig, and a King of Laigen) m. Gerthide m. Dícolla Dánae m. Rónáin Craich m. Áeda Díbchíne (king of Laigen) m. Senaich Díbich m. Cárthind Muaich m. Eterscéla m. Óengusa Ailche m. Fergusa Forcraid m. Tuathail Tigich m. Maine Máil m. Feidelmid Fir Aurglais m. Corbmaic Gelta Gáeth m. Niad Cuirb (Nia Corb) m. Con Corb (Cu Chorb).

    The Annals cite:
  • For 732, Fiangalach, son of Murchadh, chief of Ui Mail, died.
  • For 773, Flannabhra, chief of Ui Mail, died.
  • For 776, Dunghal, son of Flaithniadh, lord of Ui Mail died.
  • For 847, Cairbre, son of Cinaedh, lord of Ui Mail, died.
  • For 847, Niall, son of Aedh Alainn, lord of Ui Mail, died.

    Uí Théig (O'Teige or Tighe)

    A cousin to the Uí Máil, the traditional lands of the Uí Theig were north of Uí Máil territory just west of the Wicklow mountains. By early Anglo-Norman times they may have left their name on the district of Othee along the eastern side of the mountains, east of the Vartry river. The surname O'Tighe has been attributed to this sept.

    An early Uí Théig genealogy:
    Murchad m. Duinechda m. Murchada m. Gairbíd m. Duinechda mc Conaill m. Crundmaíl m. Duinechda m. Congaile m. Fáeldobuir, in descent of Fiannamail (king of Laigen) m. Máel Tuile m. Rónáin Chraich m. Áeda m. Senaich Díbich m. Cárthind Muaich m. Eterscéla m. Óengusa Ailche m. Fergusa Forcraid m. Tuathail Tigich m. Maine Máil.

    Uí Ceallaig Cuallan (O'Kelly)

    Ralated to the Uí Máil, the traditional lands of the Uí Ceallaig Cuallan were on the Dublin/Wicklow border in the foothills of the Wicklow mountains. The region of Cuala was applied frequently to the foot-hills of southern Dublin.

    An early Uí Ceallaig Cuallan genealogy:
    Cathal m. Amalgada m. Thuathail m. Cathail m. Con Lóthur m. Matudáin m. Rogellaich m. Flaind m. Duib Taidrich m. Matudáin m. Cellaich m. Eterscéoil m. Cellaig Cualann (a quo Úi Chellaig, and a King of Laigen) m. Gerthide m. Dícolla Dánae m. Rónáin Craich m. Áeda Díbchíne m. Senaich Díbich m. Cárthind Muaich m. Eterscéla m. Óengusa Ailche m. Fergusa Forcraid m. Tuathail Tigich m. Maine Máil, in descent from Nia Corb, son of Cu Chorb.

    The Annals cite:
  • For 702, A battle was fought at Claen Ath by Ceallach Cualann, against Fogartach Ua Cearnaigh, who was afterwards King of Ireland.
  • For 707, The battle of Selgge, in Fortuatha Laighean, wherein were slain the two sons of Ceallach Cualann, Fiachra and Fianamhail, and some of the Britons, who had joined the army of Ceallach.
  • For 713, Ceallach Cualann, son of Gerrtide, King of Leinster, died.
  • For 714, The battle of Finnabhair by the Leinstermen, in which Aedh, son of Ceallach, was slain.
  • For 739, The battle of Ailiun Da Bhernach, in which were slain Dubhdados, son of Murghal, and the two grandsons of Ceallach Cualann, namely, Cathal and Oilioll.


    Uí Crimthainn Áin (O'Duff) Cathair Mór's son Crimthann Án descended the

    An early Uí Crimthainn Áin genealogy:
    Cenn Fáelad m. Dúngalaich m. Congaile m. Duib Dá Chrích m. Máel Ochtraig m. Éogain m. Cobthaich m. Cormaicc m. Nannida m. Nastáir m. Crimthaind Bic m. Echach m. Óengusa m. Crimthaind Áin m. Cathaír Máir


    Uí Cheithig of northern county Kildare, there tribal name preserved in the old barony of Ikeathy.

    Through Cathair Mór's son Ailill Cétach (Céthech) descended the Uí Chéthig. Their territory included Cenel n-Ucha and Uachtar Fine (an ancient form of the old barony of Oughterany in north-central County Kildare). The territory of Crích na Cétach (Ua Fallamhain or O'Fallon) was on the opposite side of the Southern Ui Neill territory of Ui Cairpri around the Meath/Offaly border, indicating an ancient relationship to the Uí Chéthig. The old genealogies cite Céthech, son of Cathaír, from whom descend the Crích na Cétach.

    The Annals cite:
  • For 1124, Lochlainn Ua Follamhain, tigherna Criche na g-Cedach, & a mhac do mharbhadh la mac a dherbhrathar.
  • For 1130, Diarmaitt Ua Follamhain, taoiseach Cloinne h-Uattach, & Goll Cluana (.i. Giolla Phátraicc) Ua h-Aireachtaigh, ollamh Iarthair Midhe i filidhecht, died.


    Fortuatha - the Alien Tribes


    Dál Messin Corb

    The Dál Messin Corb were once a dominant dynasty of Leinster along with the Dál Chormaic prior to the ascendancy of the Uí Dúnlainge (5th and 6th centuries) and the Uí Cheinnselaig. The Dál Messin Corb were driven across the Wicklow mountains, to north of Arklow in county Wicklow, from their original holdings on the plains of the river Liffey. A similar fate appears to have transpired for the Uí Enechglaiss who moved to an area just south of the Dál Messin Corb about this same time.


    Uí Garrchon

    The Uí Garrchon were a chief sept of the Dál Messin Corb and were later represented by the Ua Feghaile clan (O'Farrell or O'Farrelly) of County Wicklow.

    An early Uí Garrchon genealogy:
    Domnall m. Fergaile m. Flaithnia m. Máel Kalland m. Gormáin m. Fáebuirdatha m. Dúngaili m. Cethernaig m. Fáeburdatha m. Dúngaile m. Cethernaig m. Fáebuirdatha m. Marcáin m. Cillíne m. Rónáin m. Sinill m. Conaill m. Con Chongalt m. Finnchada m. Garrchon m. Fothaid m. n-Echach Lámdeirg m. Mesin Corb mc Con Corbb.

    The annals cite:
  • For 476, Cath Granaird ria n-Eochaidh, mac Coirpre, mic Oililla, mic Dunlaing, mic Enda Niadh, for righ Laighen, Fraoch, mac Fionnchadha, mic Garrchon, mic Fothaidh, mic Eachdach Lámhdóidh, mic Mesin Cuirb, & do-cher Fraoch i suidhe.
  • For 774, The battle of Cill Coice, in which Fearghal, son of Dunghal, son of Faelchu, lord of Fortuatha Laighean, was slain by the king Donnchadh.
  • For 776, The battle of Righ (the Ryewater river) was gained by the men of Breagh over the Leinstermen, on the day of Allhallows (Nov. 1) precisely, wherein were slain Cucongalt (king of Ui Garchon at Arklow), lord of Rath Inbhir, and Fearghal, son of Ailell, lord of Cinel Ucha.
  • For 825, The destruction of Dun Laighen, at Druim, by the Pagans (Vikings), where Conaing, son of Cuchongelt, lord of the Fortuatha, was slain, with many others.
  • For 890, Cinneidigh, son of Cinaedh, lord of Ui Briuin, was slain by the Fortuatha of Leinster.
  • For 1039, Domnall mac Donnchada, rí h-Úa Faelan, occissus est la Domnall h-Ua Fergail ríg na Forthuath.
  • For 1095, Domnall O Fergail, rí Fortuath Laigen.


    Non-Laiginian Tribes

    The Loígis (O'More), the Benntraige (O'Coskry), the Fotharta Fea (O'Nolan), the Fotharta in Chairn (O'Larkin), are considered to have non-Laigin origins.


    Loígis

    The Loígis, Laígsi or Laoighisi, were mercenary tribes of the Laigin and probably of Cruithin (Pict) origin. The Loígis claim descendancy from Lugaid Loígsech, son of Conall Cernach. From Conall's line also descend the Dál n-Araide of Ulster.

    An early Laígsi genealogy:
    Fachtna m. Milige a quo Baccán m. Brain m. Eircc h-Ubulchind m. Feidelmid mc Findchada m. Fiachach Uanchind m. Dáire m. Rossa m. Ogomain m. Fergusa Múlcheist m. Fachtna m. Milige m. Intait m. Lugdach Loíchsi m. Conaill Cernaich.

    The annals cite:
  • For 875, The plundering of Ui Ceinnsealaigh by Cinneidigh, son of Gaeithin, lord of Laeighis; and numbers were slain by him.
  • For 886, Cinaedh, son of Cennedidh, heir apparent of Laeighis, was slain.
  • For 897, Dunghal, son of Cearbhall (of the Osraighe), was mortally wounded by the people of Laeighis.
  • For 898, Cinneidigh, son of Gaeithin, lord of Laighis and of the Comanns, was slain.
  • For 926, Cionaedh mac Oghráin, tighearna Laoighisi, do mharbhadh.
  • For 931, Cathal mac Odhráin, tighearna Laoighisi.
  • For 933, Maol Muire, mac Cenndubháin, tanaisi Laoighisi, died.
  • For 958, Ferghal, mac Augráin, tighearna Laoighisi Rétae, died.
  • For 1014, Cindeidigh mac Fergail, tigherna Laoighisi, died.
  • For 1017, Cernach Ua Mórdha, tigherna Laoighisi, was slain.
  • For 1026, Aimhirgin ua Mórdha, tigherna Laoighisi, was slain.
  • For 1041, Faelan h-Ua Mórdha, rí Laigsi, do dallad la Murchad mac n-Dunlaing.
  • For 1041, Cu Chiche h-ua Dúnlaing, tigherna Laighisi.
  • For 1042, Coin Coigcriche Ua Mórdha, tigherna Laighisi.
  • For 1097, Aimhirgin Ua Mórdha, tigherna Laoighisi (rí Laigsi), died.
  • For 1098, Mac Gaithin Ua Mórdha, tigherna Laoighisi, was slain.
  • For 1108, Mac maic Aigenaín, rí Láigse subíta morte periit.
  • For 1149, Laoighsech Ua Mordha, tigherna Laoighisi & na c-Comann, died.
  • For 1153, Niall Ua Mórdha, tigherna Laoighisi.
  • For 1158, Mac Raith Ua Mordha, tigherna Laoighise.
  • For 1165, Domhnall Mac Giolla Pháttraicc, tigherna Osraighe, was slain by Laoighis Uí Mhórdha.


    Fothairt

    The Fothairt were mercenary tribes of the Laigin and probably of Cruithin (Pict) origin. They were likely allies of the Ui Bairrche, explaining why they were also split into two major groups: the Fothairt in Chairn (barony of Forth, Co. Wexford) and the Fothairt of Mag Fea (barony of Forth, Co. Carlow). An early genealogy of the Fothairt show desecendancy from Sétna, the son of Artt Cerp, son of Cairbre Niad, son of Cormac Már, son of Óengus Mend, son of Eochaid Find Fuath n-Airtt, son of Feidhlimidh Reachtmhar, son of Tuathal Teachtmhar, and the ancestor of the Fothairt Fili, Fothairt Tuile, Fothairt Maige Ítha, Fothairt Imchlár oc Ard Macha & Fothairt Bile. The Fothairt Fea (barony of Forth, Co. Carlow) descend from Adnach, son of Artt Cerp. The Fothairt Airthir Liphi descend from Fergus Tarb Ráe, son of Artt Cerp.

    An early Fothairt Fea genealogy:
    Dub Indrecht m. Fergusa m. Moínaig m. Fínáin m. Rónáin m. Echach m. Báeth m. Nannida m. Féicc m. Ier m. Cathbath m. Adnaich (a quo Fothairt) m. Airt Chirp m. m. Coirpri Niad, in descent from Cormac Már m. Óengusa Mind m. Eochaid Find Fuath n-Airtt m. Feidelmid Rechtada m. Thuathail Techtmair.

    The Annals cite:
  • For 195, Lioghairne of the Long Cheeks, son of Aenghus Balbh, son of Eochaidh Finn Fuathairt, was he who laid violent hands upon Art in this battle of Magh Mucruimhe, after he had joined the forces of Maccon (Lughaidh, i.e. Mac Con, son of Maicniadh).
  • For 284, After Cairbre Liffeachair had been seventeen years in the sovereignty of Ireland, he fell in the battle of Gabhra Aichle, by the hand of Semeon, son of Cearb, one of the Fotharta.
  • For 663, Cearnach Sotal, son of Diarmaid, son of Aedh Slaine, died, together with the aforesaid persons, of a mortality which arose in Ireland, on the Calends of the August of this year, in Magh Itha, in Fotharta.
  • For 733, Fearghus, son of Maenach, and Dubhdacrich [mac h-úi Cellaigh, maic Trena], two lords of Fotharta, fell at the battle of Ath Seanaith.
  • For 749/54, The devastation of Fotharta Fea (Fothairt Fedha) by the men of Osraighe (Ossory).
  • For 845/47, Cathal, son of Cosgrach, lord of Fotharta, was slain by the Ui Neill.
  • For 854, Dunlang, son of Dubhduin, lord of Fotharta Tire, died.
  • For 863, Colman, son of Dunlang, lord of Fotharta Tire, was slain by his own children.
  • For 897, Fogartach, son of Flann, Abbot of Laithreach Briuin, and lord of Fotharta Airthir Life, died.
  • For 966, Ruaidhri, mac Maol Martain, tigherna Fothart, was slain.
  • For 1017, Muiredhach, mac Muirchertaigh, tigherna Fothart, was slain.
  • For 1018, Ruaidhri, mac Faoláin, tigherna Fothart, was slain.
  • For 1022, Domhnall, mac Ceallaigh, flaith Fothart, was slain.
  • For 1133, Eochaidh Ua Nualláin, tigherna Fothart.
  • For 1141, Creach-shluaighedh lá Toirrdhealbhach Ua Conchobhair i f-Fothartaibh Airbhreach, & ro oircc dream d'Feraibh Midhe, & d'Fhothartaibh, & regles h-Uí Dhúnáin.

  • For 813, Ainbhcheallach, son of Daelghus, lord of Ui Fothaidh Tire, died.
  • For 849, Flannchadh, son of Aenghus, lord of Ui Fothadh Tire, died.
  • For 937, Oillill mic Aengusa, tighearna Ua f-Fothaidh.


    Benntraige

    An early Benntraige genealogy:
    Cillíne m. Dochartaich m. Eóin m. Feromuin m. Aildíne m. Oirenn m. Mágach m. Cellaich Croto m. Nechta m. Lugna m. Inomuin m. Benta a quo Bentraige nominantur nó Benta filius Conchobuir m. Nessa ut alii dicunt m. Máil m. Formáil m. Sírnae m. Forich m. Rochada m. Clothnai m. Coirbb m. Sethrann m. Loga m. Cethnenn.


    Osraighe

    The Osraighe are said to descend from the line of Óengus Osríthe. Although considered to be part of Mumhan (Munster) around the 8th century, the Osraighi have ancient ties to Laigen (Leinster) as documented in the very early genealogies. The common ancestor of the Laigin tribes was purported to be Bressail Bricc. Bressail's son Condla was progenitor of the Osraighi, while another son, named Lugdach Luathfhind (Lugaid Luath), was ancestor of the Laiginian tribes. The ancient territory of the Osraighe was later named Ossory, and at one time comprised much of the modern diocese of Ossory. This included most of County Kilkenny and a portion of southern County Laois (Leix). By the 11th century the surname Fitzpatrick (Gilla Pátraic) came to be applied to the main line of the kings of Ossory. The Costigans (Mac Oistoghín) were a branch of the Fitzpatrick sept.

    See Ancient Mumhan for a citing of Osraighe in the Annals.

    An early Osraighe genealogy:
    Gilla Pátraic (d. 1055) m. Donnchada m. Giolla Phádraic (d. 996) m. Donnchada m. Ceallaich m. Cerball m. Dúngaile m. Fergaile m. Anmchada m. Con Cercca m. Fáeláin m. Crunnmaíl m. Rónáin Rígflatha m. Colmáin Móir m. Bicne Cáech [Eochaidh Beagneach Caoch] m. Laignich Fáelad m. Rumaind Duach cuius filius Feradach m. Conaill m. Coirpre m. Nio Cuirp m. Buain m. Echach Lámdóit m. Amalgada m. Lóegaire Birn Buadaig (mc-side ingine Delbáeth druad) m. Óengusa Osfríthe m. Crimthaind Máir (apud quem fuit Cingit ingen Dáire m. Dedaid máthair Óengusa Osfríthi; eter ossu alta fo-fríth a quo Osrithe) m. Iair m. Sétnai m. Ailella m. Lugdach m. Labrada m. Carthaich m. Nuadat m. Condlai m. Bressail Bricc (i sunn condrecat Lagin & Osairge & Úi Cheinselaig) m. Fiachach Fabricc m. Ailella Glais m. Feradaig Foglais m. Nuadat Fuildon Argatláim (sunn condrecat Mumnig fri clainn Augaini) m. Alldóit m. Airt m. Moga Airtt m. Crimthaind Coscraich m. Feradaig Find Fechtnaig m. Fedelmid Fortríuin Fir Benn m. Fergusa Fortamail m. Bresail Bregomuin m. Óengusa Ollaim Amlongaid m. Ailella Abratruaid m. Labrada Loingsig Móen (a quo Laigin & Ossraige & Úi Ceinselaig) m. Ailella Áine m. Lóegaire Luirc m. Augaine Máir (i. sunn condrecat Lagin & Leth Cuind) m. Echach Buadaig m. Duach Ladcra m. Fiachach Tolcrai m. Muiredaig Bolcgraig m. Sinéoin Bricc m. Áedáin Glais m. Nuadat Find Fáil m. Ailella Oalchlóen m. Sírnai m. Déin m. Demáil m. Rechtada Rigdeirg m. Móen m. Óengusa Olmugáeda m. Fiachach Labrinni m. Smirguill m. Smretha m. Senbotha m. Tigernmais m. Fallaig m. Ethréoil m. h-Íréoil Fátha m. h-Érimóin (i. sunn condrecat Leth Cuind .i. cethri fini Temra & téora Connachta & Airgialla & Laigin & Osraige & na Déssi & Érnae dia m-baí Clanna Dedad) m. Míled m. Bile m. Nemain m. Bríge m. Bregain m. Brátha m. Deátha m. Airceda m. Alldóit m. Nuadat m. Nóenail m. Ébir Scuitt m. Gáedail Glais m. Níuil Nemnaig m. Fóeniusa Farsaid m. Glúnfhind m. Lámfind m. Fethéoir m. Agnomain m. Thóe m. Bainb m. Séim m. Máir m. Ethecht m. Aurtecht m. Aboth m. Aoy m. Ára. Iara. Srú. Esrú. Rifad. Gomer Iaféth. Nóe.

    An early Ui Bairrche mac Niad Coirb (Osraighe) genealogy:
    Dub Lenna m. Conaill m. Siadail m. Máelhuidir m. Concellaich m. Mencosaich m. Conamla m. Faílbe m. Bairrche m. Niad Cuirb m. Buain m. Lóegaire Birn Buadaig m. Óengusa Osfríthi.

    An early Ui Dega Tamnaig (Osraighe) genealogy:
    Daig m. Máil m. Droído m. Buain m. Lóegaire Birn Buadaich m. Óengusa Osríthe.


    Glasraighe

    Earlier than the time of Cairbre, son if Niall, the lands bordering Lough Sheelin, near the borders of counties Cavan, Longford, Westmeath and Meath, were inhabited by the pre-Celtic Glasraige people. When Niall of the Nine Hostages, King of Tara 379-406, was about in the fourth century, seeking territories for his numerous sons, he planted one of them, Maine, at Ardagh, and another, Cairbre, at Granard, whom he made lord and leader over the earlier peoples who possessed that land. These people were the Glasraidhe who occupied northern Teathbha (an ancient name for the area of Co. Longford).
    The descendants of Cairbre, called the ' Ui Cairbri,' became the ruling family group in the area. Later the ' Conmaicne ' people pushed the ' Ui Cairbri ' people into a small space in the North-east corner of their once extensive kingdom. A tenth century chieftain of the Conmaicne was name Anghail, and his descendants became known as Ui Anghaile (Annally).
    The last lord of the ' Ui Cairbri ' line, described as the ' grandson of Cronin,' was slain at Granard in 1161. In the late twelfth century the Lords of Cairbre saw their territory being steadily encroached upon and filched away by the O'Rourkes on the North and the O'Farrells on the South.

    An early genealogy of the Glasraige connects them to the Southern Ui Neill:
    Cú Maige m. Ingordail m. Ernáine m. Áedgega m. Fintain m. Mc Reithe m. M. Daimle m. Dega m. Cairpri m. Néill.

    Still another early genealogical reference points the Glasraigi h-i Cuailnge to Clan Conaill Cernaich, in descent from clan Conaill Costamail.


    Other Leinster Notes:
  • For 851, Oenghus, son of Niall, lord of Ui Berchon, died.
  • For 855, Bran, son of Scannlan, lord of Gabhra, died.
  • For 861, Muiregan, son of Diarmaid, lord of Nas and Airther Life, was slain by the Norsemen.
  • For 876, A victory was gained by Cearbhall, son of Dunghal, and by the Deisi, over the men of Munster, at Inneoin, where fell Flannabhra, lord of Gabhra, and many others along with him.
  • For 879, Ailill, son of Finncheallach, chief of Ui Trena, in the territory of Ui Ceinnsealaigh, died.
  • For 1026, Cu Duiligh ua Beargdu, tigherna Ua n-Duach, was slain.
  • For 1041, Muirchertach mac Giolla Phattraicc do mharbhadh do Uibh Caolluidhe i meabhail.


    Further Leinster Reference: Laigin * Kings of Leinster * Annals

    Further Province Reference: Index * Connacht * Leinster * Mide * Munster * Ulster


    Further Reference at this site:
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