Kings of Dál Riata

This is a List of the kings of Dál Riata, a kingdom of Irish origin which was located in Scotland and Ireland. Most kings of Dál Riata, along with later rulers of Alba and of Scotland, traced their descent from Fergus Mór mac Eirc, and even in the 16th century, James VI of Scotland called himself the "happie monarch sprung of Ferguse race".

It is not until the middle of the 6th century that Irish annals plausibly report the deaths of kings of Dál Riata, with the death of Comgall mac Domangairt, c. 538–545, and of his brother Gabrán, c. 558–560. After the disastrous Battle of Moira (Mag Rath) in 637, Irish Dál Riata lost possession of its Scottish lands. It was during the 8th-century, the rival Dál nAraidi had overrun Irish Dál Riata, though the area retained its name well into the 14th-century.

The last attested king of Scottish Dál Riata is Fergus mac Echdach, brother and successor to Áed Find, whose death is reported in the Annals of Ulster in 781. Dál Riata was divided into a number of kingroups or dynasties, called cenéla, of which was the Cenél nGabráin of Kintyre, who claimed descent from Gabrán mac Domangairt, and the Cenél Loairn, who claimed descent from Loarn mac Eirc.

The main sources for the kings of Dál Riata include:

Less reliable sources may include:

Interpretation of these sources remains problematic. Many entries which appear to refer to Dál Riata lack context, many persons named lack patronyms or other identifying bynames. There are many disagreements among sources. Some entries have been amended and expanded at a later time.

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