Vasilios is a distinctive boys' name in United States, ranking #2859 in 1999 with 30 recorded births. The name reached its all-time peak in 1998 with 30 births ranking #2778. Since 1996, the popularity has increased by 42.9%. In 1999, approximately 1 in every 64,003 boys born was named Vasilios. RISING Recent data shows the name is currently rising.