[1] In 1807, he began studies at the Petit Séminaire de Montréal, where he remained until 1812 after which he was employed at a prominent hardware store owned by Arthur Webster.

Fabre was also member of the Saint-Jean-Baptiste Society, established to promote French-Canadian interests within Canada and to preserve the French language and culture, and the Roman Catholic religion.

[2] He played a major role in the creation of La Banque du peuple, acting as its treasurer when it officially opened in 1835.

The following year he was elected Mayor, prompted a financial restructure of the city's finances, and introduced measures to manage a cholera outbreak.

Leading politician Louis-Joseph Papineau paid tribute, declaring that Fabre "rendered outstanding services to the country."