Emilio

From the Roman family name Aemilius, traditionally associated with “rival” or emulation; the deeper origin is uncertain.

Emilio is a masculine Spanish and Italian name descended from the Roman family name Aemilius. Its usual association with rivalry or emulation comes from a proposed Latin derivation; the family name’s deeper meaning remains uncertain. The link to Emil and French Émile places it in the same name family, while the ending gives Emilio a shape of its own. In Spanish and Italian, the name has three syllables, /e.ˈmi.ljo/, with the emphasis on mi. The final lio glides together as one syllable. That movement gives Emilio a rolling, warm sound: the stressed middle provides definition, while the final o leaves it open and easygoing. For our taste, it has a classic feel without much formality, especially if you like a longer name carried by soft m and l sounds.

Etymology: Emilio is the Spanish and Italian form of Aemilius. The ancient family name is often connected with Latin aemulus, “rival”, but that derivation is not settled.