He then won the 1875 Quebec election but was removed from office on March 8, 1878, in a conflict with Lieutenant Governor Luc Letellier de Saint-Just.

Letellier de Saint-Just refused to approve legislation that had been passed by both houses of the Quebec legislature that would have forced municipalities to pay for railway construction.

Boucher de Boucherville's second term came about after Honoré Mercier was removed from office by Lieutenant Governor Auguste-Réal Angers on December 16, 1891, on charges of corruption.

Boucher de Boucherville served for one year but resigned when former Conservative premier Joseph-Adolphe Chapleau was appointed Lieutenant-Governor in December 1892.

By 1915 the oldest legislator in North America, he died that year in Montreal at the Deaf and Dumb Institute, in whose work he was so interested that he lived there.