Quick answer
Marius is a boy name meaning "male".
Pronunciation: Latin /ˈma.ri.us/; English /ˈmɛɹ.i.əs/; English /ˈmæɹ.i.əs/; Romanian /ˈma.rjus/; German /ˈmaː.ʁi.ʊs/; Dutch /ˈmaː.ri.ʏs/; French /ma.ʁjys/.
Meaning and history
Roman family name that was derived either from Mars, the name of the Roman god of War, or else from the Latin root mas, maris meaning "male". Gaius Marius was a famous Roman consul of the 2nd century BC. Since the start of the Christian era, it has occasionally been used as a masculine form of Maria.
Notes and context
Usage: ancient roman, romanian, german, dutch, norwegian, danish, french, lithuanian