Gisèle Lalonde was born on 28 June 1933 in Vanier, Ontario, Canada. She was married to Gilles Lalonde. She died on 27 July 2022 in Ottawa, Ontario, Canada.
Teacher, mayor of Vanier, she was the main activist of SOS Montfort, against the closure of Hôpital Montfort , the only francophone hospital in Ontario.
