1912 in Ireland

Events in the year 1912 in Ireland.

Events

8 February – The First Lord of the Admiralty Winston Churchill addressed a pro-Home Rule meeting in Belfast despite Ulster Unionist attempts to prevent him speaking. He shared the platform with John Redmond, the leader of the Irish Parliamentary Party.

9 April – 250,000 Orangemen converged on Balmoral Showground in Belfast, declaring that under no circumstances would they accept Home Rule.
11 April – The prime minister of the United Kingdom H. H. Asquith introduced the Third Home Rule Bill in the House of Commons of the United Kingdom.
12 April – A convention of Sinn Féin delegates led by Arthur Griffith opposed the Home Rule Bill.
14 April – The, the largest vessel in the world, built in Belfast and making her last call at Queenstown, collided with an iceberg and sank.
22 April – Englishman Denys Corbett Wilson flying a Blériot XI monoplane completed the first aeroplane crossing of the Irish Sea, flying westbound from Goodwick in southwest Wales to Enniscorthy in southeast Ireland. The flight took 100 minutes.
26 April – Welsh aviator Vivian Hewitt made a westbound aeroplane crossing of the Irish Sea in 90 minutes from Holyhead in northwest Wales to Phoenix Park in Dublin.
30 April – Winston Churchill moved the second reading of the Home Rule Bill at Westminster.

9 May – The second reading of the Home Rule Bill was accepted in the British House of Commons. A Unionist amendment rejecting the Bill was defeated.
10 May – At the Royal Albert Hall in London, Bonar Law spoke of Conservative opposition to the Home Rule Bill. Elsewhere Edward Carson also voiced his opposition.

1 July – A serious outbreak of foot and mouth disease occurred in Counties Dublin, Meath, Kildare and Wicklow.
July – Prime Minister of the United Kingdom H. H. Asquith travelled to Dublin to make a speech, criticising Unionist demands.
17 July - "A hatchet was thrown at Asquith's] moving carriage as it passed over O’Connell Bridge", striking John Redmond on the arm.
18 July – Suffragettes attempted an arson attack on the Theatre Royal, Dublin, during Asquith's visit.
27 July – the Blenheim Unionist rally: Bonar Law, leader of the British Conservative Party in opposition, made a defiant speech at a massive Unionist rally at Blenheim Palace against Home Rule, implying support for armed resistance to it in Ulster.

28 September – 'Ulster Day' – the Ulster Covenant to resist Home Rule was signed by almost 250,000 men throughout Ulster; 229,000 women signed a parallel declaration.

23 October – Large numbers of cattle were slaughtered in Mullingar due to the outbreak of foot and mouth disease in the area.

11 April – Lennox Robinson's play Patriots was first performed, at the Abbey Theatre in Dublin.
20 April – Bram Stoker, author of Dracula and theatrical manager, died in London.
November – Lord Dunsany's short story collection The Book of Wonder was published.

Peadar Kearney and Patrick Heeney's A Soldier's Song was first published in Irish Freedom by Bulmer Hobson.
Eleanor Hull published and first versified the traditional Irish hymn Be Thou My Vision in English.
Forrest Reid's coming-of-age novel Following Darkness was published.
James Stephens' novel The Crock of Gold was published.
The popular song "When Irish Eyes Are Smiling" was written and published in the United States for the show The Isle O' Dreams.

; International
: 10 February – Ireland 1–6 England.
: 6 March – Ireland 1–4 Scotland –
: 13 April – Wales 2–3 Ireland
; Irish League
: Winners: Glentoran F.C.
; Irish Cup
: Winners: Linfield F.C.
Bohemian F.C. were re-admitted to the Irish Football League after resigning the previous year. Tritonville F.C., another Dublin team, joined the League, but lasted just one season.

8 January – James Brophy, cricketer.
5 February – Desmond Surfleet, cricketer.
14 February – Joseph Brennan, Fianna Fáil party Teachta Dála, Cabinet minister and Ceann Comhairle of Dáil Éireann.
22 March – Wilfrid Brambell, actor.
12 April – Gerald Goldberg, lawyer, Fianna Fáil party politician and first Jewish Lord Mayor of Cork.
27 April – Tommy Breen, international association football player.
29 April – Terence de Vere White, lawyer, novelist, and biographer.
9 June – Patrick Mulligan, Bishop of Clogher 1970–1979.
12 July – Mick Mackey, Limerick hurler and first recipient of the All-Time All Star Award (hurling).
26 July – Niall Sheridan, poet, fiction writer and broadcaster.
9 August – Alex Stevenson, association football player.
18 September – Denis Farrelly, Fine Gael party TD and senator.
12 November – Donagh MacDonagh, writer and judge.
1 December – Micheál Cranitch, Fianna Fáil party politician, Cathaoirleach of Seanad Éireann in 1973.
25 December – Mícheál Ó Móráin, Fianna Fáil party TD and Cabinet minister.
; Date unknown
* Brendan Menton Snr, association football administrator and president of the Football Association of Ireland.
* Denis O'Conor Don, hereditary chief of the O'Conor Don sept.
* Tommy Potts, fiddle player.
* Jimmy Warnock, boxer.

30 January – John Philip Nolan, soldier, landowner, and politician.
21 February – Osborne Reynolds, engineer and prominent innovator in the understanding of fluid dynamics.
20 April – Bram Stoker, writer and author of Dracula.
24 April – Justin McCarthy, politician, historian, and novelist.
28 April – Michael Thomas Stenson, politician in Canada.
19 December – Thomas Brennan, a founder and joint first secretary of the Irish National Land League.
; Date unknown
* Henry Allan, painter.