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Crossing the Floor

The open, bilingual record of every floor crossing in Canadian parliamentary history — from Confederation to today.

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Raymond Rock (1972) | Crossing the Floor

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Crossings
Raymond Rock

Changed Beliefsfederal- Quebec

R

Raymond Rock

1972Liberal→New Democratic Party

0/5 - Career destroyed

Why They Crossed

Rock, Liberal MP for Lachine, crossed to the NDP over disagreements with the Liberal government's policies.

What Happened Next

Rock was defeated in the 1972 election running as an NDP candidate.

Related Crossings

Kelly Lamrock

Liberal → New Democratic Party

Same party switch

Leona Alleslev

Liberal → Conservative

Same party involved

Anne Cools

Liberal → Conservative

Same party involved

John Bryden

Liberal → Conservative

Same party involved

Maïté Blanchette Vézina

Coalition Avenir Québec → Conservative Party of Quebec

Same category

Political Context

28th Parliament

Governing Party: Liberal
Government Type: majority
Total Seats: 264

Cite This Crossing

Crossing the Floor. (1972). Raymond Rock: Liberal to New Democratic Party (1972). Retrieved 2026-04-11, from https://crossingthefloor.ca/crossings/raymond-rock-1972