Events

• 17 March - "Hugo de Calce, papal clerk, collector and gatherer of the tax in Dublin, was killed."
• 28 March - Domhnall Ó Ceinnéidigh captured and imprisoned by the Purcells.
• 2 June - Domhnall Ó Ceinnéidigh and the son of Brian Ó Briain were "judged, hanged and drawn at the tails of horses" at Thurles
  Thurles
  Thurles is a town situated in North Tipperary, Ireland. It is a civil parish in the historical barony of Eliogarty and is also an ecclesiastical parish in the Roman Catholic Archdiocese of Cashel and Emly...
  
  .
• 3 June - Domhnall Mac Murchada and Muircheartach Cáemánach murdered by members of their clan.
• July and August - Fulk de la Freigne, custodian of the lands of the James Butler, 2nd Earl of Ormonde
  James Butler, 2nd Earl of Ormonde
  James Butler, 2nd Earl of Ormond was a noble in the Peerage of Ireland. He was Lord Justice of Ireland in 1359, 1364, and 1376....
  
  , restores Nenagh
  Nenagh
  Nenagh is the county town of North Tipperary in Ireland. It is the administrative centre of North Tipperary and in 2011 it had a recorded population of 7,995. It is a civil parish in the historical barony of Ormond Lower...
  
   to its citizens, compels the Irish to repair property they destroyed, and "with a large fine and a heavy ransom of cattle and the deliverance of hostages, he forced the Irish to return to their original state and due submission (that everyone had thought impossible)."
• August - The Black Death reaches the ports of Drogheda
  Drogheda
  Drogheda is an industrial and port town in County Louth on the east coast of Ireland, 56 km north of Dublin. It is the last bridging point on the River Boyne before it enters the Irish Sea....
  
   and Dalkey
  Dalkey
  Dalkey is suburb of Dublin and seaside resort in Dun Laoghaire-Rathdown County, Ireland. It was founded as a Viking settlement and became an important port during the Middle Ages. According to John Clyn, it was one of the ports through which the plague entered Ireland in the mid-14th century...
  
  .
• August to Christmas
  Christmas
  Christmas or Christmas Day is an annual holiday generally celebrated on December 25 by billions of people around the world. It is a Christian feast that commemorates the birth of Jesus Christ, liturgically closing the Advent season and initiating the season of Christmastide, which lasts twelve days...
  
   - "These cities of Dublin and Drogheda were almost destroyed and wasted of inhabitants and men so that in Dublin alone, from the beginning of August right up to Christmas, fourteen thousand men [or people] died."
• September and October - People from all walks of life, and from all over Ireland, make pilgrimage to St.Moling's Well. "Some came from feelings of devotion, others (the majority) from fear of the plague that then prevailed beyond measure."

• Niall Ó Domhnaill killed by Maghnus Ó Domhnaill at the port of Inis-Saimer. Aengus mac Conchobhair Ó Domhnaill "who had been in contention with Niall," became King of Tír Connaill.
• Warfare in Connacht
  Connacht
  Connacht , formerly anglicised as Connaught, is one of the Provinces of Ireland situated in the west of Ireland. In Ancient Ireland, it was one of the fifths ruled by a "king of over-kings" . Following the Norman invasion of Ireland, the ancient kingdoms were shired into a number of counties for...
  
   between Fergal MacDermott and Ruaidhri mac Cathal mac Andrew. MacDermott's fortress is destroyed, as is Ruaidhri's at Ballymote, "both stone structure and wooden house, and they took what was there of hostages with them, including the son of Ua Ruairc, and they went themselves safe to their houses."
• The Clan MacFeorais, alias de Berminghams of Dunmore
  Dunmore
  Dunmore is a village in County Galway, Ireland. It is located on the N83 national secondary road at its junction with the R328 and R360 regional roads.Until the early 1980s, the N83 through Dunmore was on the main road from Sligo to Galway City...
  
  , are banished by Edmond Burke, leading the head of the family to seek aid from Aedh mac Tairdelbach Ó Conchobhair, King of Connacht, .

Deaths

• 12 May - David de Barry, son of Lord de Barry.
• 12 August - Gilla-na-naem Ua Cianain, abbot of Lis-gabhail.
• Cathal Ua Fergail, chief of Annaly
  Annaly
  Annaly was a medieval lordship in central Ireland.Its territory roughly coincided with modern County Longford. It was associated with the O'Farrell family. The history of the Lords of Annaly is mentioned in the Annals of the Four Masters....
  
  .
• Mailshechlainn Mag Oirechtaigh, chief of Muinter-Radhuibh.
• Donnchadh Mag Bradaigh, chief of Cuil-Brighdin.