In 1933, it was defined to consist of the county of Bonaventure and the municipalities of Ste-Florence, Ste-Marguerite-Marie and Causapscal (parish and village) in the county of Matapedia.
In 1947, it was redefined to consist only of the county of Bonaventure.
In 1952, parts of the county of Matapédia were added: the townships of Assemetquagan and Milnikek, the projected township of Roncevaux and, the township of Assemetquagan in the municipality of Saint-Fidèle-de-Ristigouche.
In 1966, it was defined to consist of the Counties of Bonaventure and Iles-de-la-Madeleine and the Townships of Milnikek and Assemetquagan in the County of Matapédia.
In 1976, it was defined to consist of:
the Towns of Carleton, Causapscal and New Richmond;
the Counties of Bonaventure and Iles-de-la-Madeleine; and
in the County of Matapédia: the parish municipalities of Saint-Jacques-le-Majeur-de-Causapscal and Saint-Raphaël-d'Albertville; the municipalities of Saint-Edmond, Sainte-Florence and Sainte-Marguerite; the Township of Milnikek and that part of the Township of Assemetquagan without local municipal organization.
In 1987, it was defined to consist of
the towns of Carleton and New Richmond;
the County of Bonaventure excluding the following: the Parish Municipality of Sainte-Germaine-de-l'Anseaux-Gascons; the Township Municipality of Port-Daniel-Partie-Est; the Territory of Bonaventure-Routhierville portion; and
the County of Iles-de-la-Madeleine.
The riding's name was changed to "Bonaventure—Îles-de-la-Madeleine" in 1971.
