[5] In 1010 AD according to the Annals of the Four Masters Flaithbertach Ua Néill of the Cenél nEógain led an incursion into Ulaid and burnt Dún Eachdach.
[5] South of Dún Eachdach lies the Ravernet river, which formed the boundary between Dál mBuinne and Uí Echach Cobo.
[7][8] St. Patrick's slave master Míliuc mac Buan (also called Milchú) was a chief of the Dál mBuain.
[12] In the papal taxation of 1306 the following parishes are given as being in the rural deanery of Dalboyn: Aghagallon, Aghalee, Ballinderry, Blaris, Derryaghy, Drumbo, Drumbeg, Glenavy, Hillsborough, Lambeg, Magheragall, and Magheramesk.
[1] Kilultagh (from Irish: Coill Ultach, meaning "wood of the Ulster") was the largest of these and is suggested as being conterminous to Dál mBuinne.