This is a list of people who have served as custos rotulorum of Essex. Sir William Petre bef. 1544–1572 Sir Anthony Cooke c. 1573–1576 Sir Thomas Mildmay c. 1577–1608 Thomas Howard, 1st Earl of Suffolk bef. 1621–1624 Theophilus Howard, 2nd Earl of Suffolk 1624–1640 William Maynard, 1st Baron Maynard 1640 Robert Rich, 2nd Earl of Warwick 1640–1642 James Hay, 2nd Earl of Carlisle 1642–1646, 1660 Charles Rich, 4th Earl of Warwick 1660–1673 William Maynard, 2nd Baron Maynard 1673–1688 Thomas Petre, 6th Baron Petre 1688 For later custodes rotulorum, see Lord Lieutenant of Essex. References Institute of Historical Research - Custodes Rotulorum 1544-1646 Institute of Historical Research - Custodes Rotulorum 1660-1828 Essex