After the war, he was the first person of African descent to hold the office of Louisiana treasurer.
Both were free blacks; his father was part owner of Cedar Grove, a successful sugar plantation he inherited from his parents, Joseph Antoine Dubuclet and Rosie Belly.
[1][2] In the mid-1830s, Dubuclet met and married Claire Pollard, a wealthy free woman of color who owned a plantation and enslaved 44 people.
The American Civil War devastated Louisiana's sugar industry and impoverished Dubuclet and his fellow planters.
Later that year, Dubuclet and the entire Republican ticket won the election.
Dubuclet was the only officeholder allowed to remain in office during the minor coup d'état, known as the Battle of Liberty Place that occurred in September 1874.