Archived: 26 September 2026
Abstract
In 1022, the death of Máel Sechnaill mac Domnaill, king of Mide and foremost post-Clontarf claimant to Ireland’s high-kingship, exposed the weakness of island-wide authority. He died at Cró Inis on Lough Ennell, honoured by churches and remembered for royal generosity, though later accounts elaborate his final rites. His loss, following the death of his heir in 1021, intensified succession disputes. Warfare continued: Waterford’s Sitriuc was killed, Ulaid defeated Dublin at sea and attacked Airgialla, while regional rulers and heirs fell. Kildare was plundered, churchmen and poets died, and Irish kingship, trade, maritime power and ecclesiastical wealth remained closely intertwined.
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Archived: 26 September 2026
Abstract
In 1015, Ireland remained unsettled after Clontarf, which had killed Brian Bóruma, Leinster’s Máel Mórda and key heirs. Máel Sechnaill mac Domnaill, aided by Flaithbertach Ua Néill, reasserted authority by plundering Leinster, taking cattle, tribute and hostages; later sources also associate campaigning with Dublin. In Munster, Donnchad mac Briain fought rivals while local kings suffered killings and deaths. Scarcity and dissension disrupted churches, with Emly vacated, Lorrha invaded and other sites plundered. Norse-Gaelic raiders seized 150 captives from western islands. Deaths, betrayals and interdynastic violence across Connacht, Bréifne and the north underscored a fragmented, dangerous political reconstruction after Brian's death.
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