Career
He represented Richelieu in the Legislative Assembly of Lower Canada from 1808 to 1814. His name also appears as Hyacinthe-Marie Delorme. He was born in Saint-Denis, the son of seigneur Jacques-Hyacinthe Simon dit Delorme and Marie-Anne Crevier Décheneaux.
He inherited part of the seigneury of Saint-Hyacinthe on the death of his father in October 1778.
His mother acted on his behalf until he reached the age of majority. In 1803, he was named a commissioner of the peace.
In 1810, Simon dit Delorme donated land for the construction of the Collège de Saint-Hyacinthe. He served as lieutenant-colonel in the militia and commanded the Saint-Hyacinthe division during the War of 1812.
He died in office at Saint-Hyacinthe at the age of 36.