About Ailill mac Fergusa
Ailill mac Fergusa was a sovereign.
Ailill mac Fergusa (died 800) was King of South Brega of the Uí Chernaig sept of Lagore of the Síl nÁedo Sláine branch of the southern Ui Neill. He was the son of Fergus mac Fogartaig (died 751) and brother of Máel Dúin mac Fergusa (died 785), previous kings. he ruled from 797 to 800.
The annals record that he died from being thrown from a horse. He is styled rex Deisceirt Bregh-King of South Brega.
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Important facts
Related people
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Frequently asked questions
Who was Ailill mac Fergusa?
King of Brega
When did Ailill mac Fergusa die?
Ailill mac Fergusa died in 800.
What was Ailill mac Fergusa's occupation?
Ailill mac Fergusa was a sovereign.
Sources & further reading
· Wikipedia: Ailill mac Fergusa
Cite this page
APA: Biography.guide. (2026). Ailill mac Fergusa. https://biography.guide/ailill-mac-fergusa/
MLA: "Ailill mac Fergusa." Biography.guide, https://biography.guide/ailill-mac-fergusa/.
Chicago: "Ailill mac Fergusa." Biography.guide. https://biography.guide/ailill-mac-fergusa/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
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