1759 – 1763 Francis Dashwood, 11th Baron le Despencer 16 May 1763 – 11 December 1781 Philip Stanhope, 5th Earl of Chesterfield 5 January 1782 – 1782 George Nugent-Temple-Grenville, 1st Marquess of Buckingham 8 April 1782 – 11 February 1813 Richard Temple-Nugent-Brydges-Chandos-Grenville, 1st Duke of Buckingham and Chandos 9 March 1813 – 17 January 1839 Robert Carrington, 2nd Baron Carrington 1 February 1839 – 17 March 1868 Richard Temple-Nugent-Brydges-Chandos-Grenville, 3rd Duke of Buckingham and Chandos 23 July 1868 – 26 March 1889 Nathan Mayer Rothschild, 1st Baron Rothschild 20 May 1889 – 31 March 1915 Charles Wynn-Carington, 1st Marquess of Lincolnshire 10 May 1915 – 1923 Thomas Fremantle, 3rd Baron Cottesloe 10 July 1923 – 1954 Sir Henry Aubrey-Fletcher, 6th Baronet 28 June 1954 – 1961 Sir Henry Floyd, 5th Baronet 27 July 1961 – 5 November 1968 John Darling Young 9 May 1969 – 1984 John Fremantle, 5th Baron Cottesloe 1984–1997 Sir Nigel Mobbs 1997 – 21 October 2005 Sir Henry Aubrey-Fletcher, 8th Baronet 2006–June 2020 The Countess Howe DL 26 June 2020 Deputy lieutenants A deputy lieutenant of Buckinghamshire is commissioned by the Lord Lieutenant of Buckinghamshire. 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. 19th Century 31 October 1846: William Jenney, Esq. 31 October 1846: John Kay, Esq. 31 October 1846: Henry Thomas Worley, Esq. 31 October 1846: William Capel Clayton, Esq. 20th Century 5 January 1900: Sir Robert Grenville Harvey, See also High Sheriff of Buckinghamshire References Sources External links Lord-Lieutenant for Buckinghamshire Buckinghamshire Local government in Buckinghamshire