Joseph-Rosaire Thibaudeau

The Hon.
Joseph-Rosaire Thibaudeau
Senator for Rigaud, Quebec
In office
1878–1909
Appointed byAlexander Mackenzie
Preceded byCharles Wilson
Succeeded byArthur Boyer
Personal details
Born(1837-10-01)October 1, 1837
Cap-Santé, Lower Canada
DiedJune 16, 1909(1909-06-16) (aged 71)
Political partyLiberal
RelationsIsidore Thibaudeau, brother
Alfred Thibaudeau, nephew

Joseph-Rosaire Thibaudeau (October 1, 1837 June 16, 1909) was a Quebec businessman and political figure. He was a Liberal member of the Senate of Canada for Rigaud division from 1878 to 1909.

He was born at Cap-Santé, Lower Canada in 1837. Thibaudeau operated the Montreal branch of his older brother Isidore's company until 1895. In 1890, he was named sheriff for the city of Montreal. He was also president of the electric company and vice-president of the telephone company.

Thibaudeau was a member of the first Board of directors, Bell Telephone Company of Canada (Bell Canada) in 1880, the Ontario and Quebec Railway in July 1881, and Northern Electric and Manufacturing Company Limited (Nortel).

His nephew Alfred Thibaudeau also served in the Canadian senate.