Kingship in Upheaval
Archived: 26 September 2026
Abstract
In 1036, Ireland experienced regional political upheaval rather than a single national conflict. Sitriuc Silkbeard left Dublin’s kingship after a long reign, and Echmarcach son of Ragnall succeeded him, weakening Sitriuc’s dynasty across the Irish Sea. In Leinster, Donnchad mac Gilla Pátraic blinded and fatally disabled a rival, while Diarmait mac Maíl na mBó blinded another, strengthening Osraige and Uí Chennselaig. Killings removed rulers and heirs in several regions, while Flaithbertach Ua Néill died after religious penitence. Church leaders also died, and fires affected Kildare, Kells and Lathrach. Rural society and Dublin’s trade continued amid instability, shaping later eleventh-century politics.