Diarmait mac Cerbaill (King of Osraige)

Diarmait mac Cerbaill
King of Osraige
Reign 894–905
908–928
Predecessor Riagan mac Dúnlainge
Cellach mac Cerbaill
Successor Cellach mac Cerbaill
Cuilen mac Cellaig
House Dál Birn
Father Cerball mac Dúnlainge

Diarmait mac Cerbaill was a king of Osraige from 894 to 905, and again from 908 to 928 AD. He is not to be confused with the early Irish high king Diarmait mac Cerbaill.

History

He was a son of Cerball mac Dúnlainge of the Dál Birn lineage, and his mother was the daughter of high-king Máel Sechnaill mac Máele Ruanaid. He appears to have been militarily active after the death of his father. In 891 he won a victory over the Eóganachta of Munster with the men of Leinster.[1] Diarmait succeeded his uncle Riagan mac Dúnlainge to the throne of Osraige.[2] He was deposed in 905 and his brother Cellach was put in his stead. After Cellach's death in 908, he returned to the kingship by his cousin Flann Sinna the high king, and ruled for another twenty years, reposing in 928.[3][4]

He is remembered in the Banshenchas thus: "The mother of Diarmait son of Cerball, hero of the brilliant Ossorians, and of Tadg son of perfect Concobar (noble, wealthy, destructive and impetuous) was the daughter in of brown poetical Mael Sechlaind of the main-line of famous Mael Ruanaid."[5]

See also

References

  1. ↑ M891.16
  2. ↑ AI894.1
  3. ↑ U928.6
  4. ↑ William Carrigan (1905). The history and antiquities of the diocese of Ossory. I. Sealy, Bryers & Walker. pp. 41–44.
  5. ↑ http://www.maryjones.us/ctexts/banshenchus.html
Regnal titles
Preceded by
Riagan mac Dúnlainge		 King of Osraige
894-905 (deposed)
908-928 (reinstated) 		Succeeded by
Cellach mac Cerbaill
Cuilen mac Cellaig
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