Helene Montreuil is born in 1952 in the city of Quebec, town of her family since 1637 and always her residence town. She is the daughter of Louis Papineau Montreuil and Lina Chicoine and she is the grand daughter of Yves Montreuil, public notary in Quebec city and of Leonie Papineau, on father's side, and of Georges Alfred Chicoine and Mary Lapointe, on mother's side. She is the third child of a four children's family: Louise, Georges, Helene and Jean.

Helene Montreuil studied civil law at University Laval, common law at University of Manitoba and University of Ottawa, management at University Laval, industrial relations at University of Paris I - Pantheon-Sorbonne, and finally, ethics and education at the University of Quebec in Rimouski.

She works mainly as a lawyer since 1976 and as a professor of law, management and ethics since 1978.

On September 13, 2003, she married the lawyer and author Michèle Morgan at the Quebec City Palais des arts. The wedding was largely covered by the newspapers and the television.

In 2006–2007, she worked as a lawyer at the Conseil de la justice administrative du Québec.

Since 2007, she is back as a lawyer in private practise and teacher of ethics, law and management at the UQAR, the Université du Québec à Rimouski.

She has written many books in law and management:^[1]

• 1986 - Droit des affaires (ISBN 2-89105-214-5)
• 1990 - Organisation et dynamique de l'entreprise" en collaboration (ISBN 2-89328-009-9)
• 1991 - Initiation au droit commercial (ISBN 2-89105-337-0)
• 1993 - Organisation et dynamique de l'entreprise - Approche systémique, en collaboration (ISBN 2-89328-009-9)
• 1994 - Le droit, la personne et les affaires (ISBN 2-89105-522-5)
• 2012 - Les affaires et le droit ISBN 9-782-89366-665-5
• 2020 - Les affaires et le droit, 2e édition (ISBN 9-780-43347-946-8)

Her wife, Michele Morgan, has written nine books about happiness and the life after death:^[2]

• Pourquoi pas le bonheur ? ISBN 978-2-89436-168-9
• Les Clés du bonheur ISBN 978-2-89111-158-4
• Dialogue avec l'âme sœur ISBN 978-2-89111-425-7
• Petits Gestes et Grandes Joies ISBN 978-2-89436-395-9
• Le Goût d'être heureux ISBN 978-2-89436-182-5
• Le Courage d'être heureux ISBN 978-2-89436-439-0
• Suivre le courant et découvrir l'essentiel de sa vie ISBN 978-2-89436-319-5
• La Belle de l'Au-delà ISBN 978-2-89436-934-0
• Isabelle ISBN 978-2-89436-934-0

In 1986, she began to use the first name « Micheline ».

In 1997, she begin a legal challenge against the Registrar of Civil Status of Quebec as she had not been permitted to legally change her name to Micheline. Following a Court of Appeals ruling, her request was finally accepted in 2002, but only for the name Micheline. She was obliged to gain one by one all her first names: Anne in 2008 and Hélène in 2011. (See Legal aspects of transsexualism)

On May 13, 1998, Helene Montreuil decided to live only as a woman under the name «Micheline Montreuil».

In 1998, the National Bank of Canada refused to hire Micheline Montreuil. In a judgment given on February 5, 2004,^[3] the Canadian Human Rights Tribunal ruled that the National Bank of Canada had discriminated against her on the basis of her gender identity, despite the bank attributing it to over-qualification.

Few years later, in a judgment given on November 20, 2007, the Canadian Human Rights Tribunal ruled that the Canadian Forces Grievance Board had discriminated against her on the basis of her gender identity.^[4]

Since September 9, 2016, she uses only the name «Helene Montreuil».

• Official website of Micheline Montreuil, the transgender
• Articles in newspapers about the wedding of Micheline Montreuil
• Official website of Me Helene Montreuil, lawyer
• Official website of Mrs Helene Montreuil
• Official website of Helene Montreuil