18th Century
- 1700: Evan Wynne of Cwm-mine
- 1701: John Nanney of Llanfendigaid
- 1702: Edward Holland of Pentre
- 1703: David Lloyd of Hendwr
- 1704: Morris Williams of Hafod-garegog
- 1705: John Lloyd of Rhwiwaedog
- 1706: Sir William Williams, 2nd Baronet, of Llanforda, Oswestry
- 1707: Sir Griffith Williams, of Marie
- 1708: John Wynne of Garthmeilio
- 1709: John Vaughan of Caergai
- 1710: Roger Price of Rhiwlas
- 1711: Thomas Meyrick, of Berthllwyd
- 1712: Hugh Owen of Cae'rberllan
- 1713: William Owen of Glyn
- 1714: William Wynn of Maes-y-Neuadd (son of Robert, HS 1679)
- 1715: Lewis Owen of Peniarth
- 1716: John Evans of Cyffty
- 1717: Richard Weaver of Corwen
- 1718: Griffith Wynne of Taltreuddyn
- 1719: Ellis Jones of Nant-bydyr
- 1720: Hugh Hughes of Gwerclas and Bryntangor
- 1721: Richard Mytton of Dinas Mawddwy
- 1722: Thomas Price of Glyn
- 1723: David Lloyd of Bodnant
- 1724: Owen Lloyd of Hendwr
- 1725: Robert Lloyd of Dolglessyn
- 1726: Athelstan Owen of Rhiwaedog
- 1727: William Wynn of Taltreuddyn
- 1728: John Nanney of Maes-y-Pandy
- 1729: Griffith Roberts of Blaen-y-ddol
- 1730: Ffoulk Lloyd of Cilau
- 1731: William Price of Rhiwlas
- 1732: Edward Lloyd of Plymog (Gwerclas)
- 1733: Hugh Thomas of Heodre
- 1734: Robert Wynn of Maes-y-Neuadd (son of William, HS 1714)
- 1735: Robert Howell Vaughan, (later Sir Robert Howell Vaughan, 1st Baronet of Nannau) of Hencwrt
- 1736: John Mytton of Dinas Mawddwy
- 1737: Robert Meyrick of Ucheldre
- 1738: John Lloyd, of Vachddeiliog (Rhiwaedog)
- 1739: Richard Anwyl of Dolfeiniog
- 1740: Thomas Pryse of Gogerddan
- 1741: Robert Wynne of Cwm-mine
- 1742: Robert Griffith of Plas, Tan-y-Bwlch
- 1743: Maurice Jones of Ddol
- 1744: William Lewis Anwyl of Bod talog
- 1745: Edward Williams of Peniarth
- 1746: Thomas Edward of Pentry
- 1746: Robert Parry of Goppa
- 1747: Hugh Hughes Lloyd of Plymog and Gwerclas
- 1748: Owen Wynne Pengwern, Festiniog
- 1749: Owen Holland of Pentremawr
- 1750: William Wynn of Park
- 1751: Maysmore Maurice of Rhagatt
- 1752: Hugh Vaughan of Hencwrt
- 1753: Robert Price of Caecoch
- 1754: John Mostyn of Clegir
- 1755: William Humphreys of Maerdy
- 1756: Richard Owen, of Caethley
- 1757: Peter Price of Dolgammedd
- 1758: William Wynne of Maes-y-neuadd (son of Robert, HS 1734)
- 1759: Humphrey Edwards, of Talgarth
- 1760: Robert Vaughan Humphreys of Caerynwch
- 1761: Lewis Owen of Cae'rberllan
- 1762: Robert Wynne of Cwm-mine
- 1763: John Mytton of Dinas Mawddwy
- 1764: William Lloyd of Rhiwaedog
- 1765: John Pugh of Garthmaelan
- 1766: Edward Vaughan Pugh, of Ty-gwyn
- 1767: Thomas Kyffin of Bryn-yr-odyn
- 1768: Robert Godolphe Owen of Glyn
- 1769: Rice James of Dol-y-gelynen
- 1770: Evan Griffydd of Tan-y-Bwlch
- 1771: Richard Parry of Goppa
- 1772: William Wynne of Peniarth and Park
- 1773: Lewis Edwards of Talgarth
- 1774: Thomas Powel of Bron-biban
- 1775: Lewis Nanney of Llwyn
- 1776: William Williams, of Peniarth-uchaf
- 1777: John Vaughan of Dol-melynllyn
- 1778: Richard Tavistock Watkin (aka Richard Price)
- 1779: Henry Arthur Corbet, Esq., of Ynys-y-maengwyn
- 1780: Thomas Roberts of Tan-y-gaer
- 1781: Edward Lloyd
- 1782: William Humffreys of Maerdy
- 1783: Robert Evans of Bodweni, Bala
- 1784: Robert Howell Vaughan of Hafod Owen
- 1784: David Roberts
- 1785: John Jones
- 1786: Griffith Pryse of Corsygarnedd,
- 1787: John Jones of Rhydyfen
- 1788: Griffith Evans of Cwm-yr-afon
- 1789: Edward Lloyd, of Palan
- 1790: John Wynne Pugh of Garth-maelan
- 1791: Robert Griffiths of Bodunlliw
- 1792: Edward Corbet of Vnys-y-maengwyn
- 1793: William John Lenthall of Uchel-dre
- 1794: Owen Ormsby of Glyn
- 1795: Robert Lloyd of Cefn Coed
- 1796: Sir Edward Pryce Lloyd, Bart., of Park, replaced by Thomas Lloyd of Cwmheision
- 1797: Bell Lloyd of Tyddyn Llan
- 1798: Robert Watkin Wynne of Garthmeilio, Corwen
- 1799: Sir Thomas Mostyn, 6th Baronet
Read more about this topic: High Sheriff Of Merionethshire