Date of Birth: 
About Pierre Marcoux Sr.
- Pierre Marcoux (1731 – July 9, 1797) was a businessman and political figure in Lower Canada. He was born at Quebec City in 1731.
- He was a merchant there until 1783, when he settled on a farm near Berthier.
- With others, he became involved in the production, shipping and sale of flour.
- Marcoux also owned a store in Quebec City.
- He served as a captain in the militia during the defence of Quebec against the Americans during 1775-6, and was later promoted to lieutenant-colonel.
- He also served as justice of the peace.
- He was elected to the 1st Parliament of Lower Canada for Hertford in 1792.
- He died at Berthier in 1797. His son Pierre married Marie-Anne, the daughter of Louis Dunière.
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