Too young, remembering Geneviève Bergeron , Helene Colgan , Nathalie Croteau , Barbara Daigneault , Anne-Marie Edward, Maud Haviernick, Barbara Klucznik-Widajewicz ,Maryse Laganière , Maryse Leclair , Anne-Marie Lemay, Sonia Pelletier, Michèle Richard , Annie St-Arneault and Annie Turcotte
Not forgotten either: Sarto Blais and his parents.

Some students and staff never stepped foot in the Polytechnique again. Sarto Blais, a graduate, hanged himself eight months after the massacre, saying in his suicide note he was torn apart by guilt that he didn't stop Lepine.
The following June, his parents also committed suicide, unable to cope with the loss of their only son.

Case study at gendercide.org

Hat tip for a bunch of links, metafilter.

Reframing the Montréal Massacre from Maureen Bradley on Vimeo.