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1187 in Ireland
Reference material by Wikipedia contributors. This retains its source identity and is not 411 news reporting.
none January 2026
1187
Events from the year 1187 in Ireland.
Incumbent
Lord: John
Events
The Rock of Loch Cé (Lough Key) was struck by lightning at midday, resulting in many deaths. In particular, Duvesa (Duibhessa); wife of Conchobair Mac Diarmata, lord of Moylurg; was burned and drowned, along with seven hundred or more people in the same event.Part 736 of The Annals of Ulster https://celt.ucc.ie/published/T100001A/text736.html 2026-01-19 celt.ucc.ie
Deaths
Ruaidhri Ua Flaithbertaigh, king of Cenél-Eógain, was killed on a foray in Tir-Conaill
Murtough O’Maeluire, Bishop of Clonfert
References
1187