Sir Thomas Myddelton, 1st Baronet (2 November 1624 – 13 July 1663) was a Welsh politician who sat in the House of Commons variously between 1646 and 1663.He was made governor of Chirk Castle on 7 March 1646 and Deputy Lieutenant of Denbighshire on 2 July 1646.[2] He was a county commissioner for taxes in 1647 and took part under the ‘ North Wales Association ’ on 21 August 1648.He took part In Booth's rebellion and held Chirk Castle until 24 August 1659, when he was given two months to leave the country unless parliament issued a pardon in the meantime.[5] Myddelton died in London in his father's lifetime at the age of 38 and was buried at Chirk.