Members of the Parliament of the United Kingdom for Irish constituencies (1801–1922)

Thomas Langlois Lefroy (8 January 1776 – 4 May 1869) was an Irish-Huguenot politician and judge. He served as an MP for the constituency of Dublin University in 1830–1841, Privy Councillor of Ireland in 1835–1869 and Lord Chief Justice of Ireland in 1852–1866.

Arthur Wellesley, 1st Duke of Wellington, (1 May 1769 – 14 September 1852) was an Anglo-Irish soldier and Tory statesman who was one of the leading military and political figures of 19th-century Britain, serving twice as prime minister of the United Kingdom. He is among the commanders who won and ended the Napoleonic Wars when the Seventh Coalition defeated Napoleon at the Battle of Waterloo in 1815.

John Deasy (1856 – 24 February 1896) was an Irish nationalist politician whose career ended in scandal after nine years as a Member of Parliament (MP).

Éamon de Valera (, first registered as George de Valero; changed some time before 1901 to Edward de Valera; 14 October 1882 – 29 August 1975) was a prominent statesman and political leader in 20th-century Ireland, serving several terms as head of government and head of state, with a prominent role introducing the Constitution of Ireland.

Constance Georgine Markievicz (Polish: Markiewicz née Gore-Booth; 4 February 1868 – 15 July 1927), known as Countess Markievicz, was an Irish politician, revolutionary, nationalist, suffragist, socialist, the first woman elected to the Westminster Parliament, and was elected Minister for Labour in the First Dáil, becoming the first female cabinet minister in Europe. She served as a Teachta Dála for the Dublin South constituency from 1921 to 1922 and 1923 to 1927. She was a Member of Parliament (MP) for Dublin St Patrick's from 1918 to 1922.

Charles William de la Poer Beresford, 1st Baron Beresford, GCB, GCVO, FRSGS (10 February 1846 – 6 September 1919), styled Lord Charles Beresford between 1859 and 1916, was a British admiral and Member of Parliament.

Michael Collins (Irish: Mícheál Ó Coileáin; 16 October 1890 – 22 August 1922) was an Irish revolutionary, soldier, and politician who was a leading figure in the early-20th-century Irish struggle for independence. He was Chairman of the Provisional Government of the Irish Free State from January 1922 until his assassination in August 1922.

George Canning FRS (11 April 1770 – 8 August 1827) was a British Tory statesman who served as Prime Minister of the United Kingdom from April to August 1827. He occupied various senior cabinet positions under numerous prime ministers, finally becoming Prime Minister for the last 118 days of his life.

Sir Robert Peel, 2nd Baronet (5 February 1788 – 2 July 1850) was a British statesman and member of the Conservative Party, who twice served as Prime Minister of the United Kingdom (1834–1835 and 1841–1846) and twice served as Home Secretary (1822–1827 and 1828–1830). He is regarded as the father of the modern British police and as one of the founders of the modern Conservative Party.

Daniel O'Donoghue (1833 – 7 October 1889) was an Irish politician. He served in the British Parliament from 1857 to 1865 as Member of Parliament (MP) for Tipperary, and from 1865 to 1885 as MP for Tralee.