Vasilios is a distinctive boys' name in United States, ranking #4693 in 2002 with 17 recorded births. The name reached its all-time peak in 1998 with 30 births ranking #2778. Since 1996, the popularity has decreased by 19.0%. In 2002, approximately 1 in every 114,204 boys born was named Vasilios. RISING Recent data shows the name is currently rising.