Vasilios is a distinctive boys' name in United States, ranking #3725 in 2003 with 24 recorded births. The name reached its all-time peak in 1998 with 30 births ranking #2778. Since 1996, the popularity has increased by 14.3%. In 2003, approximately 1 in every 82,303 boys born was named Vasilios. RISING Recent data shows the name is currently rising.