Pierre Baillargeon was a physician and political figure in Quebec

Quebec

Quebec or is a province in east-central Canada. It is the only Canadian province with a predominantly French-speaking population and the only one whose sole official language is French at the provincial level....

. He sat for Stadacona division in the Senate of Canada from 1874 to 1891.

He was born in Île-aux-Grues, Lower Canada

Lower Canada

The Province of Lower Canada was a British colony on the lower Saint Lawrence River and the shores of the Gulf of Saint Lawrence...

, the son of François Baillargeon and Marie-Louise Langlois dit Saint-Jean, and was educated at the Collège de Nicolet. Baillargeon received a M.D.

Doctor of Medicine

Doctor of Medicine is a doctoral degree for physicians. The degree is granted by medical schools...

 from Harvard University

Harvard University

Harvard University is a private Ivy League university located in Cambridge, Massachusetts, United States, established in 1636 by the Massachusetts legislature. Harvard is the oldest institution of higher learning in the United States and the first corporation chartered in the country...

. He was a member of the Boston Medical Society and a visiting physician at the Quebec General Hospital in Quebec City

Quebec City

Quebec , also Québec, Quebec City or Québec City is the capital of the Canadian province of Quebec and is located within the Capitale-Nationale region. It is the second most populous city in Quebec after Montreal, which is about to the southwest...

. In 1842, he married Geneviève, the daughter of Joseph Painchaud. Baillargeon died in office at the age of 79.

His brother Charles-François Baillargeon

Charles-François Baillargeon

Charles-François Baillargeon was a Canadian Roman Catholic priest and archbishop.He was from Lower Canada and studied at the Collège de Saint-Pierre-de-la-Rivière-du-Sud and Collège de Nicolet followed by four years of theology at Quebec where his choice of the priesthood was confirmed...

was archbishop of Quebec.