Stelios is of Greek origin and means " calm, serene". It is derived from the Greek word 'stele', which signifies a calm sea. This name has been used traditionally in Greece but has gained international recognition due to its distinctiveness and appealing sound. The short form for Stelios is Stellios or even just Steo.
"Over the past five decades, the name Stelios has experienced peaks and valleys in popularity, with years as recent as 2022 seeing double-digit birth counts."