Lord Robert Cecil was an Independent Conservative in the House of Commons between 1911 and 1923, after he won the 1911 by-election for Hitchin, Hertfordshire.
Nadine Dorries was suspended from the Conservative Party after taking part in the television competition I'm a Celebrity...Get Me Out of Here!
[3] In September 2019, Amber Rudd quit the Conservatives over the disagreement that has been engaged in by their former 21 MP colleagues on the subject of Brexit, under Boris Johnson leadership.
He had declined to run as an official Conservative, due to his disagreement with the party's policy on conscription, which was unpopular in Quebec.
A former Progressive Conservative politician, Allard had quit the party in 1963 due to his opposition to its leader, John Diefenbaker.
Pamela Wallin is a current Independent Conservative Senator, who was removed from caucus due to spending scandal.