Background
He was born into a family of Acadian descent in Saint-Grégoire-le-Grand, Lower Canada in 1813 and studied there and at Trois-Rivièresearch
He was born into a family of Acadian descent in Saint-Grégoire-le-Grand, Lower Canada in 1813 and studied there and at Trois-Rivièresearch
He was employed on a commission basis at a store in Montreal, later becoming the owner of his own store in 1839. He opened a store at Plessisville, where he also operated mills, farmed and later established a foundery. Cormier served as school commissioner and captain in the local militia.
He served several terms as mayor of Plessisville.
In 1862, he was elected to the Legislative Council of the Province of Canada. After Confederation, he was named to the Senate.
He died in Plessisville in 1887.
He was a Nationalist Liberal member of the Senate of Canada for Kennebec division from 1867 to 1887. He was a member of the Patriote organization Fils de la liberté, but did not take part in the Lower Canada Rebellion.