[1] She represented the electoral district of Saint-Hyacinthe—Bagot as a member of the New Democratic Party for one term.
Morin pursued her post-secondary education at the Université du Québec à Montréal where she was a social work student.
[2] Morin ran for a seat to the House of Commons of Canada in the electoral district of Saint-Hyacinthe—Bagot under the New Democratic Party of Canada banner in the 2011 Canadian federal election.
She defeated incumbent Ève-Mary Thaï Thi Lac and future Canadian Senator Jean-Guy Dagenais as well as two other candidates to win her first term in office.
In 2014 she announced she would not seek re-election for health and personal reasons.