He represented Dorchester in the House of Commons of Canada in 1887 as a Nationalist Conservative member.

He was educated at the Petit Séminaire de Québec, the Université Laval and McGill University.

Juchereau Duchesnay was called to the Lower Canada bar in 1866 and first practised in Quebec City, later moving back to Sainte-Marie.

[1] In 1882, he established a local creamery, which had what are believed to be the first centrifugal cream separators installed in North America.

He was succeeded in the House of Commons by his brother-in-law Honoré Julien Jean-Baptiste Chouinard.