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.
His cousin Jean Dessaulles and nephew Pierre-Dominique Debartzch also served in the assembly.