"Variant of DeMarcus"
The name Demarques is commonly a male name from the "American" origin.
Demarques is a spelling variant of DeMarcus, an American name formed by attaching the prefix De- to Marcus. The second element here is spelled Marques rather than Marcus. Demarques first appears in United States birth records in 1982.
DeMarcus means "Combination Of De And Marcus".
The pronunciation of Demarques is duh-MAR-kus.