The Cenél nGabráin was a kin group, presumed to descend from Gabrán mac Domangairt, which dominated the kingship of Dál Riata until the late 7th century and continued to provide kings thereafter. Kings of Alba and of Scotland traced their descent through Gabrán to his grandfather Fergus Mór, who was seen as the ultimate founder of the royal house as late as the 16th and 17th centuries, long after the Gaelic origins of the kingdom.
Unlike the Cenél Loairn, the Senchus Fer n-Alban does not list any kindreds within the Cenél nGabráin. However, probable descendants of Gabrán, such as Dúnchad mac Conaing and his many kinsmen, would appear to have disputed the succession with the descendants of Eochaid Buide grandson of Gabrán, so that this absence of explicit segments in the kindred may be misleading. A genealogy of David I of Scotland in the Book of Ballymote notes the following divisions: