Berthierville (created in 1852 under the name of Berthier, renamed Berthierville in 1942[3]
Lanoraie-D'Autray (detached from Saint-Joseph-de-Lanoraie in 1948, together again with it in 2000 to form Lanoraie[4]
Lavaltrie (detached from Saint-Antoine-de-Lavaltrie in 1926[5]
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[6]
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[11])
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.[16]