Berthierville (created in 1852 under the name of Berthier, renamed Berthierville in 1942
Lanoraie-D'Autray (detached from Saint-Joseph-de-Lanoraie in 1948, together again with it in 2000 to form Lanoraie
Lavaltrie (detached from Saint-Antoine-de-Lavaltrie in 1926
La Visitation-de-l'Île-Dupas (created in 1855 under the name L'Isle du Pads; renamed La Visitation-de-la-Sainte-Vierge-de-l'Isle-du-Pads in 1969, renamed La Visitation-de-l'Île-Dupas in 1981
St. Gabriel (detached from the Parish Municipality of Saint-Gabriel-de-Brandon in 1892 under the name of Village Municipality of Saint-Gabriel-de-Brandon, renamed Saint-Gabriel in 1967)
Berthier County included during its formation parishes and institutions in St. Ignace Island, the Island Pads, Berthier, Lanoraie, Lavaltrie, St. Norbert, St. Cuthbert, St. Bartholomew, St. Gabriel and the Township of Brandon.