1887 in Ireland

Events

• 29 January – the Dublin newspaper The Union is founded. The Unionist newspaper's goals are stated in its first edition as "A Journal devoted to the maintenance of the Union 1800|Union] in the United [Kingdom of Great Britain and Ireland|three kingdoms]." Richard Moynan begins as a political illustrator with the paper in April.
• 7 March–18 April – The Times publishes a series of articles on "Parnellism and Crime" quoting letters implicating Charles Stewart Parnell of involvement in illegal activities, in particular, support for the 1882 Phoenix Park Murders. A special commission, known as the "Parnell Commission", is proposed to investigate the allegations, as well as investigate links between the Home Rule party and the Fenians, eventually proving the letters forgeries written by Richard Pigott.
• 29 March – the Irish Crimes Act of 1887 is introduced by Arthur Balfour in response to the boycott of certain landlords by their tenants, suspending the right to trial of people suspected of involvement in the boycott. The Crimes Act is passed in September, despite protests from Liberal and Home Rule Members of Parliament, and will continue in force until 1890.
• 19 April – W. E. Gladstone, Leader of the Opposition (United Kingdom), delivers his speech on the 'Irish question'.
• 30 April – Michael Logue translated from Raphoe as coadjutor archbishop of Armagh; on the death of Daniel McGettigan on 3 December he succeeds as Roman Catholic Archbishop of Armagh and Primate of All Ireland, the office which he will hold until his death in 1924.
• 2 May – the narrow gauge Clogher Valley Railway officially opens in County Tyrone.
• 26 June – the highest temperature ever recorded in Ireland, 33.3C at Kilkenny Castle.
• 16 August – opening of an industrial fishing school for boys at Baltimore, County Cork, founded by the parish priest Father Charles Davis and sponsored by English heiress and philanthropist Angela Burdett-Coutts, 1st Baroness Burdett-Coutts.
• 9 September – Mitchelstown Massacre: Three men killed by the Royal Irish Constabulary at a Land League demonstration.
• October – John Boyd Dunlop develops the first practical pneumatic tyre in Belfast.
• 13 November – Bloody Sunday: Police in London clash with radical and Irish nationalist protesters.
• Royal Irish Constabulary attack a Land League march in Kiltimagh, County Mayo.
• Arthur Balfour becomes Chief Secretary later enacting the policy of "killing Home Rule with kindness".
• Balfour's Land Law Act, an extension of the Ashbourne Act of 1885, is passed by the Parliament of the United Kingdom.
• The period of rent set by the Land Court is reduced to three years.
• The Plan of Campaign starts its first phase as tenant farmers begin withholding rent from landlords.
• 69,084 emigrate from Ireland to the United States, according to census records.
• Newtownbrowne School is opened in Kiltimagh, County Mayo.
• Construction of Ballymena Castle by Robert Alexander Shafto Adair, the Adair family residence in Demesne, is completed.
• Edward Carson is appointed as counsel to the Attorney-General for Ireland.
• George Roe & Company Distillers becomes the largest distillery in Europe.

Arts and literature

• The Romanesque doorway, only surviving portion of the original Cathedral Church of St. Flannan, Killaloe in County Clare, is restored.
• William Ewart Gladstone publishes Handbook of Home Rule.
• Michael Davitt publishes Revival of the Irish Woollen Industry: Brief Historical Record: How England Endeavoured to Destroy Irish Manufacture: How Irish Leaders Propose to Accomplish its Revival
• William Lecky's A [History of Ireland in the Eighteenth Century] is published.
• Alex G. Richey's A Short History of the Irish People, Down to the Date of the Plantation of Ulster is published.
• Margaret Stokes publishes Early Christian Art in Ireland.
• Lady Wilde publishes Ancient Legends, Mystic Charms and Superstitions of Ireland, with Sketches of the Irish Past
• Sir Samuel Ferguson's Ogham Inscriptions in Ireland, Wales, and Scotland is published posthumously.
• Charles Villiers Stanford's Third Symphony, in F minor, the Irish, is first performed.

Sport

Athletics

• January 15 – Trinity College's University Harriers Club holds the first Hares and Hounds race in Dollymount.

Football

• ;International
• :5 February England 7–0 Ireland
• :19 February Scotland 4–1 Ireland
• :13 March Ireland 4–1 Wales. 16th international game and first win.
• ;Irish Cup
• :Winners: Ulster 3–0 Cliftonville
• Athlone Town A.F.C., the oldest surviving club in the League of Ireland, are founded.
• 6 November – Celtic F.C. is formed in Glasgow, Scotland, by Irish Marist Brother Walfrid to help alleviate poverty in the city's East End by raising money for his charity, the Poor Children's Dinner Table.

Gaelic Games

• Cavan GAA President Michael Davin resigns.
• Cavan GAA football teams Annagh Sons of Usnagh, Mountnugent Red Hands, Belturbet Rory O'Moore's, Mullagh Briffnians, Killinkere Defenders, Cross Independents, Moybulgue St. Patricks, and the Virginia Sarsfields are formed.
• The Kiltimagh Cavan GAA Club is formed.
• The Limerick Commercials win the first All-Ireland Senior Football Championship defeating the Dundalk Young Irelands.
• April 1 – The first All-Ireland Senior Hurling Championship is held in Birr, County Offaly between Galway and Tipperary.
• December 27 – The first Cavan GAA County Convention is held at McGoldricks Hotel in Ballyjamesduff.

Births

• 8 March – Patrick O'Connell, soccer player and manager.
• 27 April – Harry Boland, Irish Volunteer in Easter Rising, Sinn Féin MP.
• 1 May – Alan Cunningham, soldier noted for victories in the East African Campaign during World War II.
• 4 May – Ernest Deane, military doctor and Ireland rugby player.
• 6 May – Michael Browne, Master General of the Dominicans, Cardinal.
• 7 May – Benjamin Glazer, Academy Award-winning screen writer, producer and director.
• 18 May – Richard Wyndham-Quin, 6th Earl of Dunraven, peer.
• 24 May – Edward Mannock, First World War flying ace and posthumous recipient of the Victoria Cross.
• 19 August – Francis Ledwidge, poet.
• 27 August – Carmel Snow, journalist and editor of the American edition of Harper's Bazaar from 1934 to 1958.
• 8 October – Padraig O'Keeffe, fiddle player.
• 13 October – Tommy Henderson, Ulster independent Unionist politician.
• 6 November – Edward McLysaght, genealogist and writer.
• 11 November – Canon John M. Hayes, priest and Muintir na Tíre founder.
• 18 November – Joseph Brennan, civil servant and Governor of the Central Bank of Ireland.
• 21 November – Joseph Mary Plunkett, nationalist, poet, journalist and a leader of the Easter Rising.
• 21 December – J. J. "Ginger" O'Connell, officer in the Irish Volunteers and Irish Defence Forces.

Deaths

• 18 January – Martin Haverty, journalist and historian.
• 17 February – William Dowling, soldier, recipient of the Victoria Cross for gallantry in 1857 at Lucknow, India.
• 16 April – John McCaul, educator, theologian, and second president of the University of Toronto.
• 30 April – Edward Hardman, geologist.
• 25 August
• *William Barber, businessman and politician in Ontario.
• *Matthew Cooke, economic entomologist in California.
• 15 September – Richard Quain, anatomist and surgeon.
• 22 November – Ulick Bourke, scholar and writer, founder of the Gaelic Union.
• 4 December – Mary Frances Clarke, founder of the Sisters of Charity of the Blessed Virgin Mary.
• Full date unknown – Rev. William Anderson O'Connor, theologian.