	Rashleigh was returned unopposed as Member of Parliament for Liskeard at the 1710 general election. He was an inactive MP and was classed as a Tory. He was returned unopposed again at the 1713 general election, and at the 1715 general election. He was a Tory and in 1715 a treasonable pamphlet was addressed to him which was seized on government orders in the post at Exeter. He did not stand at the 1722 general election.