Oliver Longtin (son of Jacques Longtin and Marie-Marguerite Bisson) was born date unknown, and died date unknown.He married Marie-Julienne Pepin on 24 April 1854 in St. Constant, Laprairie, Quebec, Canada, daughter of Jean Baptiste Pepin and Julienne Longtin. More About Oliver Longtin and Marie-Julienne Pepin: Marriage: 24 April 1854, St. Constant, Laprairie, Quebec, Canada.