Merionethshire or Merioneth is one of thirteen historic counties of Wales, a vice county and a former administrative county.
William Price (1619–1691) was an English politician who sat in the House of Commons in two periods between 1640 and 1679. He fought as a Royalist colonel in the English Civil War.
Sir Arthur Osmond Williams was a Welsh Liberal Party politician.
North Wales was a European Parliament constituency which roughly covered the unofficial region of North Wales, from 1979 until 1999. It was held by the Conservative Party from 1979 until 1989, during which time it was their only seat in Wales.
Hugh Owen was a Welsh independent minister.
William Vaughan of Corsygedol, Merioneth was a Welsh politician.
Henry Wynn was a Welsh politician who sat in the House of Commons at various times between 1624 and 1671.
Robert Lloyd was a Welsh politician who sat in the House of Commons in 1586 and 1601.
Ellis Lloyd was a Welsh politician who sat in the House of Commons in 1614.
Edward Vaughan (c.1600–1661) was a Welsh politician who sat in the House of Commons at various times between 1626 and 1661.
Lewis ab Owen, of Plas-yn-dre, Dolgellau, Merioneth, was a Welsh politician.
Edmund Meyricke was a Welsh politician who sat in the House of Commons of England in 1660.
Hugh Hughes, of Plas Coch, Porthamel, Anglesey, was a Welsh politician.
Richard Vaughan was a Welsh politician who sat in the House of Commons for 33 years from 1701 to 1734.
John Wyn ap Cadwaladr was the member of Parliament for the constituency of Merioneth in 1559.
John Lewis Owen was the member of Parliament for the constituency of Merioneth in 1572.
Cadwaladr Price was the member of Parliament for the constituency of Merioneth in 1584.
Griffith Nanney was the member of Parliament for the constituency of Merioneth in 1593.
John Pugh Pryse (1739-1774) was the member of Parliament for the constituency of Cardiganshire in 1761-68 and Merioneth in the parliament of 1768-74.
