← 1774 1773 1772 1771 1770 1775 in Ireland → 1776 1777 1778 1779 1780
Centuries:	16th 17th 18th 19th 20th
Decades:	1750s 1760s 1770s 1780s 1790s
See also:	Other events of 1775 List of years in Ireland

Events from the year 1775 in Ireland.

Incumbent

• Monarch: George III

Events

• Henry Flood accepts a seat on the Privy Council of Ireland and becomes vice-treasurer.^[1]
• Henry Grattan enters the Parliament of Ireland and becomes leader of the "patriot party".^[1]
• Approximate date – Dark Hedges planted.

Arts and literature

• 17 January – Richard Brinsley Sheridan's first play, the comedy of manners The Rivals, is premiered at the Covent Garden Theatre, London.
• Robert Jephson's tragedy Braganza is first performed at the Theatre Royal, Drury Lane, London.

Births

• 3 March – Henry Prittie, 2nd Baron Dunalley, politician (died 1854).
• 25 April – William Warren Baldwin, doctor, businessman, lawyer, judge, architect and political figure in Upper Canada (died 1844).
• 6 August – Daniel O'Connell, politician, campaigner for Catholic Emancipation and Repeal of the Union (died 1847).
• 30 September – Robert Adrain, scientist and mathematician in America (died 1843).

  Full date unknown

  • Bernard McMahon, horticulturalist in the United States (died 1816).
  • William Thompson, political and philosophical writer and social reformer (died 1833).

Deaths

• 27 April – John Rutty, Quaker physician and naturalist (born c. 1697 in England).
• 31 December – Richard Montgomery, soldier, major general in the Continental Army during the Revolutionary War (born 1738).
• Probable date – Elizabeth Aldworth, freemason (born 1693/5).