In 1932, Cannon was the Democratic nominee for the 4th District seat in the 73rd United States Congress, unseating Republican incumbent John C. Schafer with 61,038 votes to 33,609 for Schafer and 24,377 for Socialist Assemblyman Walter Polakowski.
In 1920, he unseated incumbent Democratic incumbent Frank Kubatzki (who had served three terms representing the 8th Milwaukee County District 8th Ward of the City of Milwaukee), by 1593 votes to Kubatski's 1572.
Walter Scott | Sir Walter Scott | Walter Cronkite | Walter Raleigh | Walter Benjamin | Walter Mondale | Walter Matthau | Walter Gropius | Walter Hamma | Walter Savage Landor | Walter Burley Griffin | Walter Payton | Walter | Bruno Walter | Walter Winchell | Walter Crane | Walter Rilla | Walter Koenig | Walter Brennan | Walter Sickert | Walter Pidgeon | Walter Isaacson | Walter Damrosch | Walter Crickmer | Walter Brueggemann | Walter Reed | Walter Browne | Little Walter | Walter Runciman, 1st Viscount Runciman of Doxford | Walter Rothschild, 2nd Baron Rothschild |