Lelièvre at Quebec City and George-Étienne Cartier in Montreal, was called to the Quebec bar in 1868 and set up practice in Quebec City with Richard Alleyn.
In 1871, he married Marie-Anne-Adèle, the daughter of Ulric-Joseph Tessier.
He also served as a director, vice-president and president for the Banque Nationale at Quebec City and president of the Quebec Saint-Jean-Baptiste Society.
He died in New York City at the age of 69 while debarking from a boat returning from Havana and was buried in Sainte-Foy.