About Donnchad mac Domnall Claen
Donnchad mac Domnall Claen was a monarch.
Donnchad mac Dómnaill Clóen was the tenth and last King of Leinster to be inaugurated and based on Lyons Hill, Ardclough, County Kildare. He was a member of the Uí Dúnchada, one of three septs of the Uí Dúnlainge dynasty which rotated the kingship of Leinster between 750 - 1050 and is a significant figure in County Kildare History. He was deposed in 1003. Máel Mórda mac Murchada of the Uí Fáeláin sept replaced him as king.
Primary Source According to the Annals of Tigernach, in the year 999AD:
T999.1 Donnchadh son of Domhnall Claon, king of Leinster, was captured by Sitric son of Olaf.
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Important facts
Frequently asked questions
Who was Donnchad mac Domnall Claen?
Irish king
When did Donnchad mac Domnall Claen die?
Donnchad mac Domnall Claen died in 1001.
What was Donnchad mac Domnall Claen's occupation?
Donnchad mac Domnall Claen was a monarch.
Sources & further reading
· Wikipedia: Donnchad mac Domnall Claen
· DBpedia: Donnchad mac Domnall Claen
Cite this page
APA: Biography.guide. (2026). Donnchad mac Domnall Claen. https://biography.guide/donnchad-mac-domnall-claen/
MLA: "Donnchad mac Domnall Claen." Biography.guide, https://biography.guide/donnchad-mac-domnall-claen/.
Chicago: "Donnchad mac Domnall Claen." Biography.guide. https://biography.guide/donnchad-mac-domnall-claen/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
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