This is a list of lords lieutenants of County Down.
There were lieutenants of counties in Ireland until the reign of James II, when they were renamed governors.[1] The office of Lord Lieutenant was recreated on 23 August 1831.
7 October 1831 – 12 April 1845
17 May 1845 – 1864
13 April 1864 – 12 February 1902, later Earl of Dufferin and Marquess of Dufferin and Ava
16 April 1902 – 8 February 1915
8 September 1915 – 11 February 1949
2 June 1949 – 1959
10 March 1959 – 18 August 1962
25 September 1962 – 1979
10 October 1996 – 1 August 2009
[5] 25 August 2009 – 2021
12 May 2021 – present
A deputy lieutenant of County Down is commissioned by the Lord Lieutenant of County Down. Deputy lieutenants support the work of the lord-lieutenant. There can be several deputy lieutenants at any time, depending on the population of the county. Their appointment does not terminate with the changing of the lord-lieutenant, but they usually retire at age 75.