 During the first year of the German occupation, Viannay married the former Hélène Mordkovitch.Hélène Viannay co-administered Les Glénans with her husband, and following Viannay's death became president of the association of Ancient Résistants of Défense de la France.The French Fondation de la Résistance awards an annual prize for resistance-era histories, the Prix Philippe Viannay-Défense de la France.