This is a list of people who have served as Custos Rotulorum of Northamptonshire.
Sir Edward Montagu bef. 1544–1557 William Cecil, 1st Baron Burghley bef. 1564 – aft. 1584 Thomas Cecil, 1st Earl of Exeter bef. 1594–1623 Francis Manners, 6th Earl of Rutland 1623–1625 Francis Fane, 1st Earl of Westmorland 1625–1629 William Spencer, 2nd Baron Spencer 1629–1636 Sir Christopher Hatton 1636–1646 Interregnum Edward Montagu, 2nd Earl of Manchester 1660–1671 James Compton, 3rd Earl of Northampton 1671–1681 Christopher Hatton, 1st Viscount Hatton 1681–1689 Charles Mordaunt, 1st Earl of Monmouth 1689 Christopher Hatton, 1st Viscount Hatton 1689–1706 vacant George Brudenell, 3rd Earl of Cardigan 1711–1714 Charles Mordaunt, 3rd Earl of Peterborough 1714–1715 Thomas Fane, 6th Earl of Westmorland 1715–1735 John Montagu, 2nd Duke of Montagu 1735–1749 For later custodes rotulorum, see Lord Lieutenant of Northamptonshire.
References Institute of Historical Research - Custodes Rotulorum 1544-1646 Institute of Historical Research - Custodes Rotulorum 1660-1828