He studied in Montreal and at the seminaries at Nicolet and Trois-Rivières.
Pacaud began the study of law but then chose journalism as a career.
With his brother Aurèle, he established a French language newspaper, Le Progrès, in Windsor in 1881.
In 1890, Pacaud married Annie F.
McEwan.
He was defeated by Solomon White when he ran for reelection in 1890, after the Liberal vote was split between Pacaud and Francis Cleary, the candidate chosen by the riding association.
Following his defeat, he became a notary public, also continuing as newspaper editor until he was appointed license inspector for hotels for the region in 1892.
Le Progrès continued to be published until 1902.
Pacaud died in Windsor in 1928.
His brother Ernest was a newspaper publisher involved in Quebec politics.