1806 in Ireland

Events from the year 1806 in Ireland.

Events

10 April – Sir Arthur Wellesley marries Kitty Pakenham, daughter of the Earl of Longford, in the temporary St. George's Church built on Whitworth Road in Dublin.{{cite book|author-link=Richard Holmes (military historian)|first=Holmes|last=Richard|year=2002|title=Wellington: The Iron Duke|location=London|publisher=HarperCollins|isbn=978-0-00-713750-3|page=96}}{{cite news|title=St. George's church re-opened|newspaper=The Irish Times|page=9|date=1961-12-14}}
American engraver Henry Pelham, agent for Lord Lansdowne's Irish estates, is drowned from a boat while superintending the erection of a martello tower in the Kenmare River.

John Wilson Croker (anonymously) publishes his mock-heroic verse satire on Dublin socio-political life The Amazoniad; or, Figure and Fashion.{{cite book|editor=Cox, Michael|title=The Concise Oxford Chronology of English Literature|publisher=Oxford University Press|year=2004|isbn=0-19-860634-6|url-access=registration|url=https://archive.org/details/conciseoxfordchr00coxm}}
Sydney Owenson publishes her epistolary novel The Wild Irish Girl: a National Tale.
Samuel Thomson publishes his third volume of verse Simple Poems on a Few Subjects.
The English architect George Papworth moves to Dublin.

21 January – William Quarter, first Roman Catholic bishop of Chicago (died 1848).
25 January – Daniel Maclise, painter (died 1870).
10 May - James Shields, Irish American politician and United States Army officer (died 1879 in the United States)
31 May – Patrick Leahy, Archbishop of Cashel (died 1875).
25 July – John O'Donovan, scholar and first historic topographer (died 1861).
1 August – Edward Crofton, 2nd Baron Crofton, Conservative politician (died 1869).
17 August – Peter Richard Kenrick, first Catholic archbishop west of the Mississippi River (died 1896).
20 August – Archibald Acheson, 3rd Earl of Gosford, Member of Parliament for Armagh (died 1864).
31 August – Charles Lever, novelist (died 1872).
September – Samuel Davidson, biblical scholar (died 1898).
15 October – William Clements, 3rd Earl of Leitrim, nobleman and landowner (died 1878).
3 November – Robert Molesworth, judge in Australia (died 1890).
4 December – John T. Graves, mathematician (died 1870).
;Full date unknown
:*Simon Byrne, prize-fighter (died 1833).

22 February – James Barry, painter (born 1741).
31 May – George Macartney, 1st Earl Macartney, statesman, colonial administrator and diplomat (born 1737).
11 July – James Smith, lawyer and politician in the United States, signatory of the U.S. Declaration of Independence (born 1719).
9 September – William Paterson, judge in the United States, signatory of the U.S. Constitution (born 1745).
18 September – Patrick Cotter O'Brien, known as the Bristol Giant and the Irish Giant (born 1760).
30 September – William Fortescue, 1st Earl of Clermont, politician (born 1722).