She has received Canadian Screen Award and Prix Iris nominations and wins for films like Post Mortem, The Negro, and Bad Seeds, and she and her longtime collaborator Robert Morin are the co-founders of Coop Vidéo de Montréal [fr].
[1] She, Robert Morin, and Jean-Pierre St-Louis were part of the trio behind the documenteur, a subgenre "mixing the false fiction and mockumentary".
[2] She and Morin co-founded Coop Vidéo de Montréal [fr] in 1977,[3] and the two also founded Morin-Dufour Vidéo Inc.[1] In 1980, the two directed Gus est encore dans l’armée, a short film about a Canadian Armed Forces soldier and his newfound attraction to another male soldier.
[2] Georges Privet called Dufour the Coop Vidéo de Montréal's "driving force" and said that "it is impossible to talk about [her longtime collaborator] Robert Morin without mentioning Lorraine Dufour".
[11] She was nominated for the Genie Award for Best Motion Picture and the Prix Iris Public Prize for Bad Seeds.