He threatened to leave the province but a successful proposal for the cathedral belfry in 1770 set his career on a solid footing.
The remainder of his career had various church constructions as its focal point and the importance of his work Quebec to art and architecture was a product of that time.
[2] Jean Baillairgé holds an important position in the history of art and architecture in Quebec after the Conquest.
Perhaps more important than his work was the Baillairgé dynasty which he founded and which has had a prominent role in this area of Quebec art and architectural history.
His son, François Baillairgé, worked with his father and continued the family contribution to art and architecture.