Dál Birn
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''Dál Birn'' (''"portion" of Birn'') is a tribal epithet found in Irish sources which refers to the descendants of Loegaire Birn Buadach, the hereditary ruling lineage of the kingdom of
Osraige Osraige (Old Irish) or Osraighe (Classical Irish), Osraí (Modern Irish), anglicized as Ossory, was a medieval Irish kingdom comprising what is now County Kilkenny and western County Laois, corresponding to the Diocese of Ossory. The home of t ...
in Ireland.


Lineage

This illustrious lineage produced Osraige's native kings and lords- all claimed to be commonly descended on the paternal line from the second-century king Loegaire Birn Buadach (Loegaire Birn "the Victorious"), son of
Óengus Osrithe Óengus Osrithe son of Criomthann Mór (son of Iar mac Sétnai) and his wife Cindnit, daughter of Dáire mac Degad and Morand, was the semi-legendary first king and eponymous ancestor of the Osraige people of Ireland. His supposed floruit lies ...
and gave rise to a number of related individuals and later, clans which remained intact and identifiable into the modern era. Yet, the authoritative scholar,
T. F. O'Rahilly Thomas Francis O'Rahilly ( ga, Tomás Ó Rathile; 11 November 1882 – 16 November 1953)Ó Sé, Diarmuid.O'Rahilly, Thomas Francis (‘T. F.’). ''Dictionary of Irish Biography''. (ed.) James McGuire, James Quinn. Cambridge, United Kingdom: C ...
, considered Loegaire Bern Buadach, the mythical ancestor Dál Birn, was the 'same personage as the Loegaire Buadach of the Ulidian tradition' and, therefore, were not Laigin. The term ''Dál Birn'' was in use long before the advent of surnames in Ireland, yet because of long-standing oral and written traditions in Ireland, it continued to be used as a mark of hereditary distinction in sources composed through the twelfth century after the common advent of surnames. For a two-hundred year period beginning the late fifth century, the native Dál Birn kings were temporarily displaced by an allied
Corcu Loígde The Corcu Loígde (Corcu Lóegde, Corco Luigde, Corca Laoighdhe, Laidhe), meaning Gens of the Calf Goddess, also called the Síl Lugdach meic Itha, were a kingdom centred in West County Cork who descended from the proto-historical rulers of Mun ...
dynasty which ruled Osraige until finally being overthrown. A number of the Corcu Loígde kings are recorded as being periodically slain by the native inhabitants of Osraige until the re-establishment of the Dál Birn. Dál Birn descendants remained in control of parts of Osraige, even after the
Norman Invasion of Ireland The Anglo-Norman invasion of Ireland took place during the late 12th century, when Anglo-Normans gradually conquered and acquired large swathes of land from the Irish, over which the kings of England then claimed sovereignty, all allegedly sanc ...
, with the continuation of the Mac Giolla Phádraig lordship in
Upper Ossory Upper Ossory () was an administrative barony in the south and west of Queen's County (now County Laois) in Ireland. In late Gaelic Ireland it was the túath of the Mac Giolla Phádraig ( Fitzpatrick) family and a surviving remnant of the once l ...
, and O'Brennan control of Idough.


Sources

The term or its equivalent is found in a number of early and high medieval Irish sources, including ''
Codex Salmanticensis The ''Codex Salmanticensis'' (Brussels, Royal Library 7672–4) is a medieval Irish manuscript containing an extensive collection of Irish saints' Lives, now in the Royal Library of Belgium in Brussels. It was culled by the compilers from various so ...
'' and '' Codex Kilkenniensis'' in the vitae of St. Ciarán of Saighir; the Félire Óengusso, and in
Bodleian Library, MS Rawlinson B 502 Oxford, Bodleian Library, Rawlinson B 502 is a medieval Irish manuscript which presently resides in the Bodleian Library, Oxford. It ranks as one of the three major surviving Irish manuscripts to have been produced in pre-Norman Ireland, the tw ...
.


Dál Birn descendants


Lineages

In addition to all the native Ossorian kings (not counting the Corcu Loígde), a number of other notable family names descend from Dál Birn: * Mac Giolla Phádraig of Osraige, which in the mid-sixteenth century Normanized their surname to Fitzpatrick. From these spring the Barons and Earls of
Upper Ossory Upper Ossory () was an administrative barony in the south and west of Queen's County (now County Laois) in Ireland. In late Gaelic Ireland it was the túath of the Mac Giolla Phádraig ( Fitzpatrick) family and a surviving remnant of the once l ...
,
Gowran Gowran (; ) is a town located on the eastern side of County Kilkenny, Ireland. The historic St. Mary's Collegiate Church is located in the centre of Gowran close to Gowran Castle. Gowran Park race course and Golf Course is located one km from t ...
, and Castletown. * Ua Braonáin (or Ó Braonáin) of Idough, descended from Braonáin, a younger son of
Cerball mac Dúnlainge Cerball mac Dúnlainge (patronymic sometimes spelled ''Dúngaile'', ) (died 888) was king of Ossory in south-east Ireland. The kingdom of Ossory (''Osraige'') occupied roughly the area of modern County Kilkenny and western County Laois and lay b ...
, Anglicized to O'Brennan.


Individuals

* St. Ciarán of Saigir * St. Nem of Aran


References


External links


HD image of MS Rawlinson B502, fol. 70 v. containing an Ossorian genealogyFitzpatrick - Mac Giolla Phádraig Clan SocietyFitzpatrick Clan Society
{{DEFAULTSORT:Dal Birn Ancient Irish dynasties FitzPatrick dynasty Kings of Osraige Irish royal families Gaelic-Irish nations and dynasties