Comgall mac Domangairt was king of Dál Riata in the early 6th century. He was the son of Domangart Réti and grandson of Fergus Mór. The Annals of Ulster report his death in 538, 542 and 545, the Annals of Tigernach in 537.
Read more about Comgall Mac Domangairt: Comgall, Cenél Comgaill