1186 in Ireland

Incumbent

• Lord: John, [King of England|John]

  Events

• Stephen Ridell appointed as first Lord Chancellor of Ireland.
• Hugh de Lacy the Elder, 1st Lord of Meath, is assassinated.
• Ruaidrí [Ua Conchobair] is usurped as King of Connacht by his son Conchobar [Maenmaige Ua Conchobair].
• Approximate date of the construction of Ardfinnan Castle

  Deaths

• 25 July – Hugh [de Lacy, Lord of Meath], 4th Baron Lacy