[1] Bélanger was born in Saint-Pierre-de-la-Rivière-du-Sud, Lower Canada, and moved his foundry to Montmagny after becoming a master founder.
[citation needed] The senior Bélanger was dedicated to developing and improving his community.
He successfully developed and marketed subdivisions in the community to municipal and personal benefit.
He was involved in a number of industries and was the initial president of the local Chamber of Commerce.
He was integral to Montmagny becoming the leading industrial centre in the region at the turn of the 20th century.