This is an incomplete list of people who have served as Lord Lieutenant of Hertfordshire. From 1660 the office holder was also custos rotulorum. * Sir Ralph Sadleir 1570–? * Henry Carey, 1st Baron Hunsdon 1583–1585 * Robert Dudley, 1st Earl of Leicester 3 July 1585 – 4 September 1588 * William Cecil, 1st Baron Burghley 31 December 1588 – 4 August 1598 * vacant * Robert Cecil, 1st Earl of Salisbury 5 August 1605 – 24 May 1612 * William Cecil, 2nd Earl of Salisbury 10 July 1612 – 1642 jointly with * Charles Cecil, Viscount Cranborne 31 March 1640 – 1642 * Interregnum * Arthur Capell, 1st Earl of Essex 26 July 1660 – 1681 * John Egerton, 2nd Earl of Bridgewater 10 February 1681 – 26 October 1686 * Laurence Hyde, 1st Earl of Rochester 18 November 1686 – 1688 * Charles Talbot, 1st