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Every affiliation event this project holds, verified and unverified alike. The unit is the event: a caucus that moved together is one row with several participants. Each row states how well dated it is, how well evidenced it is, and whether it meets the publication standard.
104 events, not people — 11 of 104 of the events matching these filters meet the publication standard
This list counts events, not people. A group event is one row here and several people in a person-based tally. Withdrawn records are excluded from this listing. Coverage report
0 of 115
Carried to another party
A seat given to one party at an election, sitting under another party’s banner without an election in between. This is the floor-crossing figure, and it is the only figure that may be published under that name.
99 of 115
Left a caucus for the crossbench
The member left a caucus and sat as an independent. No party gained the seat. This figure has its own headline and is never added to the one beside it — adding the two is the single error this whole classification exists to prevent.
0 of 115
Joined a party from the crossbench
Counted toward neither headline above. The outbound leg of the same episode is already in the crossbench figure, so counting the return as well would count one person twice. Whether the voters were asked in between is the interesting question, and it is answered separately below.
These two figures are never summed. A seat carried to another party and a member who left a caucus for the crossbench are different acts, and a total that merges them answers no question anybody asked.
Measured over the records these filters admit, not over the whole database. The record-wide figures are on the coverage report. This selects RECORDS holding at least one participation of the class asked for, and each matching record still lists all of its people — so a group record where nine members crossed and one left for the crossbench matches either filter, and shows all ten either way. To count acts rather than records, read the figures above, which count people.
Every leg below states where the seat went: to another party, or out of a caucus to the crossbench. The two are counted separately and never share a total. The tally beside each is for the events on this page only, not for the record as a whole.
Why these are counted apart, and what the project believes about it
CTF-E-NWS-20260927-EC7D18FBCTF-E-NWS-20260920-745783BECTF-E-NWS-20260902-589C3478CTF-E-NWS-20260902-956E4666On August 31, 2026, in British Columbia, the recorded affiliation of Á'a꞉líya Warbus changes from the Conservative Party of British Columbia to Independent. The event record cites three…
CTF-E-NWS-20260831-0DF126F8On August 27, 2026, in British Columbia, the recorded affiliation of Bruce Banman changes from the Conservative Party of British Columbia to Independent. The event record cites one source,…
CTF-E-NWS-20260827-0649800BOn August 26, 2026, in British Columbia, the recorded affiliation of Brennan Day changes from the Conservative Party of British Columbia to Independent. The event record cites one source,…
CTF-E-NWS-20260826-D6CE8DEBOn August 26, 2026, in British Columbia, the recorded affiliation of Teresa Wat changes from the Conservative Party of British Columbia to Independent. The event record cites one source,…
CTF-E-NWS-20260826-21AB20ADOn August 25, 2026, in British Columbia, the recorded affiliation of Rosalyn Bird changes from the Conservative Party of British Columbia to Independent. The event record cites one source,…
CTF-E-NWS-20260825-FBFDF2D9On August 24, 2026, in British Columbia, the recorded affiliation of Ian Paton changes from the Conservative Party of British Columbia to Independent. The event record cites one source,…
CTF-E-NWS-20260824-7562EB4COn August 14, 2026, in British Columbia, the recorded affiliation of Peter Milobar changes from the Conservative Party of British Columbia to Independent. The event record cites one source,…
CTF-E-NWS-20260814-1D4E7E8BThe House of Commons records Simon-Pierre Savard-Tremblay's affiliation changing from Bloc Québécois to Independent on May 28, 2026. The archive does not infer motive or benefit.
CTF-E-000275On May 5, 2026, in Saskatchewan, the recorded affiliation of Betty Nippi-Albright changes from the Saskatchewan New Democratic Party to Independent. The event record cites two sources, none…
CTF-E-NWS-20260505-2B93FEA5The House of Commons records Alexandre Boulerice's affiliation changing from NDP to Independent on April 27, 2026. The archive does not infer motive or benefit.
CTF-E-000274CTF-E-NWS-20260422-9D6B1CA4CTF-E-NWS-20260310-CF26F22CChristian Dubé resigned from cabinet and left the Coalition Avenir Québec caucus on December 18, 2025, then began sitting as an Independent. The cabinet loss is recorded as a separate…
CTF-E-000292CTF-E-NWS-20251216-0E8D755BVincent Marissal left the Québec solidaire caucus on November 22, 2025, and began sitting as an Independent. The cited sources corroborate the affiliation and exact date.
CTF-E-000289Lionel Carmant left the Coalition Avenir Québec caucus and cabinet on October 30, 2025, and began sitting as an Independent. The cabinet departure is recorded separately as an observed…
CTF-E-000286Becky Druhan left the Nova Scotia Progressive Conservative caucus on October 27, 2025, and began sitting as an Independent. The cited sources support the affiliation and date; motive…
CTF-E-000279Amelia Boultbee left the Conservative Party of British Columbia caucus on October 20, 2025, and began sitting as an Independent. Parliamentary and news sources corroborate the affiliation…
CTF-E-000281Maïté Blanchette Vézina left the Coalition Avenir Québec caucus on September 18, 2025, and began sitting as an Independent. This is distinct from her later Conservative affiliation.
CTF-E-000285On September 5, 2025, in the Senate of Canada, the recorded affiliation of Pierre J. Dalphond changes from the Progressive Senate Group to the Independent Senators Group. The event record…
CTF-E-PLI-20250905-FB1046D2