For this Duilio Carlos there are 2 different names on Yasni.
In the ranking of the most common first names Duilio Carlos is on position 4589.
Male first name (Italian, Spanish, Portuguese): Duilio, Latin (Roman family); duellum = the war, the Roman family name 'Duilius', known by Duilius Gaius, a Roman politician and military leader (3rd century BC).; the family name is possibly from the word 'duellum' (war) is derived
known early in Germany, for example, by Charlemagne (8th-9th century.); Carlos, Old High (Word format); Karal = the man, husband, old German name was but: Male first name (Spanish, Portuguese) until the 19th Century in Germany popular The meaning is "strong and manly"