Donnchad mac Aedacain

Donnchad mac Aedacain (or Donnchad Ua Conchobair) (died 877) was a King of Uisnech and Mide of the Clann Cholmáin. He was the grandson of the High King Conchobar mac Donnchada (died 833). He ruled as King of Mide from 864 to 877.

Donnchad mac Aedacain
King of Mide
Reign	864–877
Predecessor	Lorcán mac Cathail
Successor	Flann Sinna
Died	877
House	Clann Cholmáin

He came to the throne after the blinding of Lorcán mac Cathail by the high king Áed Findliath (died 879). Donnchad was deceitfully killed by his rival among the Clann Cholmáin, Flann Sinna in 877 who then became king.^[1]