Custos Rotulorum of Merionethshire

This is a list of people who have served as Custos Rotulorum of Merionethshire. For later custodes rotulorum, see Lord Lieutenant of Merionethshire.
 * John "Wynn" ap Maredudd 1543 – bef. 1558
 * Lewis ap Owen 1553–1555
 * Ellis Price bef. 1558 – bef. 1562
 * Owen ap John ap Howell Vaughan bef. 1562 – bef. 1564
 * Ellis Price bef. 1564 – aft.1577
 * Robert Dudley, 1st Earl of Leicester bef. 1579 –1588
 * Sir Robert Salusbury bef. 1594–1599
 * Sir Thomas Myddelton bef. 1599 –1617
 * William Salusbury 1617 – aft. 1626
 * Hugh Nanney 1629–1646
 * Interregnum
 * Sir Thomas Myddelton, 1st Baronet 1660–1663
 * Sir John Owen 1663–1666
 * William Owen 1666–1678
 * Sir John Wynn, 5th Baronet 1678–1688
 * William Herbert, 1st Marquess of Powis 1688–1689
 * Sir William Williams, 1st Baronet 1689–1690
 * Sir John Wynn, 5th Baronet 1690–1711
 * Edward Vaughan 1711–1718
 * Lewis Owen 1722–1729
 * William Vaughan 1731–1775