This is a list of people who have served as Custos Rotulorum of Somerset.

Sir William Portman bef. 1554–1557 Sir Hugh Paulet bef. 1558–1573 Sir Amias Paulet bef. 1577–1588 Sir John Popham bef. 1594–1607 Sir Edward Phelips 1608–1614 James Ley, 1st Baron Ley bef. 1621–1625 Henry Ley, 2nd Earl of Marlborough 1625–1636 John Coventry 1636–1646 Interregnum William Seymour, 2nd Duke of Somerset 1660 Charles Berkeley, 2nd Viscount Fitzhardinge 1660–1668 Henry Somerset, 3rd Marquess of Worcester 1668–1672 John Seymour, 4th Duke of Somerset 1672–1675 Maurice Berkeley, 3rd Viscount Fitzhardinge 1675–1688 Henry Waldegrave, 1st Baron Waldegrave 1688 Maurice Berkeley, 3rd Viscount Fitzhardinge 1688–1690 John Berkeley, 4th Viscount Fitzhardinge 1690–1712 John Poulett, 1st Earl Poulett 1713–1714 Charles Boyle, 4th Earl of Orrery 1714–1721 For later custodes rotulorum, see Lord Lieutenant of Somerset.

References Institute of Historical Research (pre-1646) Institute of Historical Research (post 1660)