List of ambassadors of the United Kingdom to Ireland

The Ambassador of the United Kingdom to Ireland is the United Kingdom's foremost diplomatic representative in Ireland and head of the UK's diplomatic mission in Ireland.

For several decades the British and Irish governments disputed the respective names of their States: the United Kingdom of Great Britain and Northern Ireland and Ireland respectively. The UK's official policy was to refer to Ireland as the Republic of Ireland. The UK styled its Ambassador in Ireland as Her Majesty's Ambassador to the Republic of Ireland. Up to and including the year 1999, the Diplomatic List issued by the British Foreign and Commonwealth Office referred to the Republic of Ireland. However, this dispute over names was ended following the Good Friday Agreement. Consequently, since 2000 the British Diplomatic List has referred to Ireland, and the credentials presented by the British ambassador, Stewart Eldon, in 2003, were addressed to the President of Ireland. The British Ambassador to Ireland has since been styled officially as Her Majesty's Ambassador to Ireland.

The Governor-General of the Irish Free State had been the effective representative of the UK in the Irish Free State, negating the need for a separate envoy. However, following a 1926 Imperial Conference, each dominion's Governor-General became advised by the Government of that dominion rather than by Whitehall and the need arose for an envoy.

The first British diplomatic representatives to the new Irish Free State did not have the title of Ambassador, instead having the title of "Representative", or "Minister". This was a compromise and arose because the nascent Irish state refused to allow the normal title for states within the British Empire of High Commissioner and the UK refused to use "Ambassador" as it indicated a non-existent foreign status. In 1949, when the Oireachtas passed the Republic of Ireland Act and the UK passed the Ireland Act (1948), the state ceased to be a British dominion and the name of the office was changed to Ambassador.

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