Holmes served as party manager, and Chief Whip in the House of Commons from about 1818 until his seat (for the rotten borough of Haslemere) was abolished by the Great Reform Act of 1832. He had also previously represented several other constituencies.
Holmes acted as party leader, and Chief Whip in the House of Commons from approximately 1818 until his parliamentary seat (for the rotten borough of Haslemere) was eliminated by the Great Reform Act of 1832. He had also previously represented several other electoral districts.