1173 in Ireland

← 1172 1171 1170 1169 1168 1173 in Ireland → 1174 1175 1176 1177 1178
Centuries:	11th 12th 13th 14th
Decades:	1150s 1160s 1170s 1180s 1190s
See also:	Other events of 1173 List of years in Ireland

Events from the year 1173 in Ireland.

Incumbent

• High King: Ruaidri Ua Conchobair

Events

• Aedh mac Óenghusa and the Clann-Aedha conducted a foray (raid) in the territory known as the Great Third of Armagh; Aedh was killed within three months of this action. ^[1]
• Mael Sechlainn meic Domnaill Ua Mael Sechlainn becomes first Lord of Clonlonan King of Meath

Deaths

• Cinaeth Ua Róna, bishop of Glenn-da-locha
• Mael-Ísu Mac-in-Baird, bishop of Cluain-ferta of St. Brenainn

References

1. "Part 722 of The Annals of Ulster". celt.ucc.ie. Retrieved 2026-01-19.