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← 1119 1118 1117 1116 1115 1120 in Ireland → 1121 1122 1123 1124 1125
Centuries:	11th 12th 13th 14th
Decades:	1100s 1110s 1120s 1130s 1140s
See also:	Other events of 1120 List of years in Ireland

Events from the year1120 in Ireland.

• High King:Toirdelbach Ua Conchobair

• Toirdelbach Ua Conchobair succeedsDomnall Ua Lochlainn asHigh King.
• EnglishKing Henry I imposedtrade embargoes on Ireland, affecting figures such asArnulf de Montgomery.

• Branan, son of Gillachrist, chief ofCorcachlann.
• EachmarcachMac Uidhrin, chief ofCinel-Fearadhaigh^[1]

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