Vasilios is a distinctive boys' name in United States, ranking #6656 in 2021 with 13 recorded births. The name reached its all-time peak in 1998 with 30 births ranking #2778. Since 1996, the popularity has decreased by 38.1%. In 2021, approximately 1 in every 134,480 boys born was named Vasilios. RISING Recent data shows the name is currently rising.