Isidore Thibaudeau

Isidore Thibaudeau
Member of the House of Commons of Canada for Quebec East
In office 1874–1877
Preceded by	Adolphe Guillet dit Tourangeau
Succeeded by	Wilfrid Laurier
Member of the Legislative Council of Quebec for Kennebec division
In office 1867–1874
Succeeded by	Louis Richard
Member of the Legislative Assembly of the Province of Canada for Quebec-Centre
In office 1863–1867
Preceded by	Georges-Honoré Simard
Succeeded by	Legislature abolished
President of the Executive Council of the Province of Canada
In office May 16, 1863 – March 29, 1864
Personal details
Born	(1819-09-30)September 30, 1819 Cap-Santé, Lower Canada
Died	August 18, 1893(1893-08-18) (aged 73) Quebec City, Quebec
Political party	Liberal
Spouse	Laure Drolet
Children	Alfred Thibaudeau, Senator
Relatives	Joseph-Rosaire Thibaudeau (brother), Senator

Isidore Thibaudeau (September 30, 1819 – August 18, 1893) was a Quebec businessman and political figure. He represented Quebec East in the House of Commons of Canada as a Liberal from 1874 to 1877.

He was born Pierre-Isidore Thibaudeau in Pointe-aux-Trembles, Lower Canada in 1819; his father was a merchant of Acadian origin. He worked as a clerk in the Quebec City branch of a firm based in Montreal. In 1847, he became a partner in the branch and, in 1856, a partner in the Montreal operation. Thibaudeau brought his brothers and later his son into the company. He helped establish two banks, the Caisse d’Épargnes de Notre-Dame de Québec and the Banque Nationale, serving as president of the latter from 1879 to 1889. In 1863, he was elected to the Legislative Assembly of the Province of Canada for Quebec-Centre. In the same year, he was named president of the Executive Council, serving until 1864. He opposed Confederation. Thibaudeau served as a member of the Legislative Council of Quebec from 1867 to 1874, when he was elected to the federal parliament. He resigned his seat in 1877 to give Wilfrid Laurier a seat in the house and left politics in 1878 after running unsuccessfully for another federal seat. By 1889, he had become a millionaire.

He died in Quebec City in 1893.

His brother Joseph-Élie also served in the legislative assembly for the Province of Canada and brother Joseph-Rosaire was a member of the Senate of Canada.

His daughter Laura married Esdras Alfred de St-Georges, who served in the Canadian House of Commons.

• "Isidore Thibaudeau". Dictionary of Canadian Biography (online ed.). University of Toronto Press. 1979–2016.
• Isidore Thibaudeau – Parliament of Canada biography
• "Biography". Dictionnaire des parlementaires du Québec de 1792 à nos jours (in French). National Assembly of Quebec.