1866 in Ireland
Events from the year 1866 in Ireland.
Events
- 28 January – the Midland Great Western Railway opens to Westport railway station.
- 22 June – Archbishop Cullen is elevated to the cardinalate as the first Irish Cardinal.
- 13 July – the sets out from Valentia Island on the second attempt to lay the transatlantic telegraph cable. Robert Halpin is master and William Thomson technical consultant.
- 14 October – St Peter's Church, Belfast, later to become the Roman Catholic Cathedral, is dedicated, although the building is incomplete.
- Maziere Brady retires as Lord Chancellor of Ireland, an office to which he was appointed in 1846.
- Alexandra College is founded at Milltown, Dublin by the Quaker Ann Jellicoe, the first women's college in Ireland to aim at a university-level education.
Sport
- The first modern Irish Derby, created by the 3rd Earl of Howth, the 3rd Marquess of Drogheda and the 3rd Earl of Charlemont, is run at the Curragh Racecourse.
- The Ulster Yacht Club is revived at Bangor, County Down, on the initiative of Frederick Temple Blackwood, 5th Baron Dufferin and Claneboye.
The Arts
- The ballad "Come Back to Erin" is composed by 'Claribel', the English songwriter Charlotte Alington Barnard.
Births
- 5 February – Domhnall Ua Buachalla, member of 1st Dáil, Fianna Fáil TD, last Governor-General of the Irish Free State.
- February – Michael Egan, trade unionist, city councillor and Cumann na nGaedheal TD.
- 15 June – Charles Wood, composer.
- 13 July – Emily Winifred Dickson, gynaecologist.
- 16 August – Dora Sigerson, poet.
- 1 November – Cheiro, born William John Warner, astrologer.
- 3 December – Ethna Carbery, born Anna Johnston, writer and poet.
- 7 December – Maude Delap, marine biologist
- December – Thomas Byrne, recipient of the Victoria Cross for gallantry in 1898 at the Battle of Omdurman, Sudan.
- ;Full date unknown
- :*Éamon a Búrc, tailor and seanchaí.
- :*Master McGrath, greyhound.
- :*Bridget Sullivan, domestic housemaid for Borden family of Fall River, Massachusetts.
Deaths
- 5 January – Augustus Warren Baldwin, naval officer and political figure in Upper Canada.
- 11 January – Gustavus Vaughan Brooke, actor.
- 17 January – George Petrie, painter, musician, antiquary and archaeologist.
- 4 March – Alexander Campbell, religious leader in Britain and the United States.
- 18 May – Francis Sylvester Mahony, humorist and poet .
- 26 October – John Kinder Labatt, brewer in Canada.
- 26 October – Patrick McHale, soldier, recipient of the Victoria Cross for gallantry in 1857 at Lucknow, India.
- ;Full date unknown
- :*Edward Eagar, lawyer and criminal transported to Australia, politician.