Of Mars or warlike
Dmarius is a modern American variation of the Latin name Marius. It likely stems from the Roman family name Marius, which is derived either from the Roman god of war, Mars, or from the Latin root 'mas' meaning male.
Less common today
Dmarius isn't in the latest US Top 1000. It last peaked at #8,654 in 2004.
US births per 5-year period, 1990βpresent (SSA data).