Viscount St Davids, of Lydstep Haven in the County of Pembroke, is a title in the Peerage of the United Kingdom. It was created in 1918 for John Philipps, 1st Baron St Davids. The Philipps family descends from Sir John Philipps, who represented Pembrokeshire in the House of Commons. In 1621 he was created a Baronet, of Picton Castle in the County of Pembroke, in the Baronetage of England. His grandson, the third Baronet, also sat as Member of Parliament for Pembrokeshire. He was succeeded by his son, the fourth Baronet. He represented Pembroke and Haverfordwest in Parliament. His son, the fifth Baronet, sat for Haverfordwest. He was succeeded by his younger brother, the sixth Baronet. He represented Carmarthen, Petersfield and Pembrokeshire in the House of Commons.
George Booth, 1st Baron Delamer, was an English landowner and politician from Cheshire, who served as an MP from 1646 to 1661, when he was elevated to the House of Lords as Baron Delamer.
Sir Lislebone Long (1613–1659) was an English landowner and politician who was briefly Speaker of the House of Commons.
Sir John Philipps, 6th Baronet, PC was a Welsh politician and lawyer who served as Lord Lieutenant of Haverfordwest from 1761 to 1764. Sir John was the son of Sir John Philipps, 4th Baronet. He studied at Pembroke College, Oxford, and went on to Lincoln's Inn.
Sir Arthur Onslow, 1st Baronet was an English politician who sat in the House of Commons at various times between 1641 and 1685.
James Philipps was a Welsh politician who sat in the House of Commons between 1653 and 1662. He was a supporter of the Parliamentary cause during the English Civil War.
John Clarke, also known as John Clark, John Clerk, and John Clerke, was an English politician and Justice of the Peace who sat in the House of Commons from 1653 through 1660, and was a colonel in the Parliamentary army between 1651 and 1659.
Richard Philipps, 1st Baron Milford, known as Sir Richard Philipps, Bt, from 1764 to 1776, was a Welsh landowner and Tory politician who sat in the House of Commons between 1765 and 1812.
Sir Hugh Owen, 1st Baronet was a Welsh politician who sat in the House of Commons variously between 1626 and 1660. He sided originally with the Parliamentarian side in the English Civil War, but the strength of his allegiance was in doubt.
Sir Richard Temple, 3rd Baronet, KB was an English politician who sat in the House of Commons at various times between 1654 and 1697.
Bussy Mansell was a Welsh politician who sat in the House of Commons at various times between 1653 and 1699. He was a zealous Parliamentarian during the English Civil War.
Arthur Owen was a Welsh politician who sat in the House of Commons at various times between 1645 and 1678. He fought in the Parliamentary army in the English Civil War.
Rowland Dawkins was a Welsh military colonel and politician who sat in the House of Commons at various times between 1654 and 1656. He was a zealous supporter of the Commonwealth.
John Price was a Welsh politician who sat in the House of Commons between 1654 and 1659.
Robert Shapcote, JP was an English lawyer from Devon and four times Member of Parliament for Tiverton in 1646–1649, 1654, 1656 and 1660. He sat in the Irish House of Commons for the borough of Wicklow from 1661 to 1665 and was Solicitor-General for Ireland and twice briefly Attorney-General for Ireland. He fought in the Parliamentary army in the Civil War.
Sir Clifford Clifton was an English landowner and politician who sat in the House of Commons from 1659.
Sir John Philipps, 1st Baronet was a Welsh landowner and politician who sat in the House of Commons in 1601.
Sampson Lort was a Welsh politician who sat in the House of Commons in 1659.
Sir John Philipps of Picton Castle, Pembrokeshire was a Welsh landowner and politician, who sat in the English House of Commons from 1696 to 1703 and in the British House of Commons from 1718 to 1722. He was a philanthropist and major figure of his time in educational and religious reform.
Richard Vaughan MP of Derwydd, Carmarthenshire was a Welsh lawyer and Whig politician who sat in the English and British House of Commons for nearly 40 years from 1685 to 1724.
