Donnchad mac Cellaig reigned as king of Osraige from AD 934 to 976. He was the son of Cellach mac Cerbaill, king of Osraige and his wife, Echrad ingen Matudán. He succeeded to the throne on the death of his brother Cuilen, and ruled his native territory with great distinction and credit to himself for more than 40 years.
- Occupation
- monarch
- Position held
- Kings of Osraige
- Died
- 976