Modeliste grew up in the 13th Ward of New Orleans. The eldest of six siblings, he was raised in part by his grandmother, Lula Blouin. His first drum set was a three-piece paid for by Blouin.
Modeliste's early life took place in the 13th Ward of New Orleans. With six siblings, he received care from his grandmother, Lula Blouin, who also contributed to his musical start with a three-piece drum set.