McIntosh was on the local Board of Drectors for the federal Canadian Alliance Party of Canada Canadian Alliance prior to its merger with the Progressive Conservative Party of Canada in 2003. She was a strong supporter of the "Unite The Right" movement which led to that merger. She subsequently was elected to the local Board of Directors for the new Conservative Party of Canada. During the federal election of 2004 McIntosh campaigned for successful Conservative candidates Steven Fletcher and Joy Smith.