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.