1799 in Ireland

Events

• 9 February – around 91 die when a barge capsizes at the bridge at Carrick-on-Suir.
• 15 February – the rebel guerilla leader Michael Dwyer escapes from a gun battle with British troops at Miley Connell's cottage, Dernamuck, in the Glen of Imaal, Wicklow.
• River Shannon made navigable from Limerick to Killaloe.

  Births

• 28 February – William Dargan, engineer and railway builder.
• 9 August – Henry Maxwell, 7th Baron Farnham, politician and peer.
• 12 August – Patrick MacDowell, sculptor.
• 22 December – Nicholas Callan, priest and scientist.
• 26 December – William Kennedy, Scottish poet, journalist and diplomat.
• ;Full date unknown
• :*Henry Archer, barrister and entrepreneur in north Wales.
• :*Joseph M. Hawkins, Alamo defender.

  Deaths

• 11 January – Thomas Bermingham, 1st Earl of Louth
• 27 February – Sir John Blackwood, 2nd Baronet, politician.
• 29 March – Charles Bingham, 1st Earl of Lucan, High Sheriff of Mayo in 1756
• 4 June – Philip Woodroffe, surgeon
• 4 August – James Caulfeild, 1st Earl of Charlemont, politician, first President of the Royal Irish Academy, president of the volunteer convention in Dublin, 1783.
• 6 December – John Moore, participant in Irish Rebellion of 1798, proclaimed President of the Government of the Province of Connaught.
• 11 December – "Brave" Charles Edward Jennings de Kilmaine, soldier in France.