Events from the year 1102 in Ireland.
Arnulf de Montgomery, Lord of Pembroke, being banished from England and Wales for joining with his brother in rebellion against Henry I of England, serves his father-in-law, Muirchertach Ua Briain, High King of Ireland; Henry imposes a trade embargo against Ireland.
Betrothal of Muirchertach Ua Briain's daughters: Lafracoth to Arnulf de Montgomery and Bjaðmunjo to Sigurd (son of Magnus Barefoot).
Archbishop Anselm of Canterbury writes to Muirchertach Ua Briain urging eccelesiastical reform and restoring good relations between him and Henry I of England.
Domnall Ua Conchobair becomes King of Connacht
Gilla na Naemh Ua Duinn, poet, historian and cleric (died 1160).
Approximate date and probable location - Harald IV Gille of Norway (killed 1136).
Mugrón Ua Morgair, archlector of Armagh.
Domnall Ua Ruairc, King of Connacht and Breifne.
1102 in Ireland Wikipedia (Text) CC BY-SA