Badenoch was an engineer by trade and served in the Galloway Rifle Volunteers prior to leaving Scotland for England in 1901. After his football career ended due to a knee injury. Badenoch and his wife emigrated to Canada in January 1910 and reunited with other members of the Badenoch family in Indian Head, Saskatchewan. There, he had two children and played for the local cricket club. Badenoch returned to Britain with his family in 1913 and the following year, after the outbreak of the First World War, he enlisted as a private in the 1st (Western Ontario) Battalion of the Canadian Expeditionary Force. At the time of his enlistment, he was working as a sales manager. Badenoch was posted to the Western Front with his regiment in February 1915 and saw action at St. Julien and Kitcheners' Wood. He was killed on 15 June 1915, during the Second Action of Givenchy and is commemorated on the Vimy Memorial.