Marlos is of Brazilian origin, derived from the Latin 'Mars', which means 'warlike'. It is often used as a given name in Brazil and has gained some international recognition due to Brazilian footballer Marlos, who plays for Shakhtar Donetsk.
"Marlos experienced peak popularity between 1971 and 1988, with an average of 7 births per year during this period. However, its usage has since declined, with only 5 or 6 births reported annually from 1990 onwards."