Vasileios is a distinctive boys' name in England & Wales, ranking #3256 in 2025 with 6 recorded births. This places Vasileios in the bottom 47% of ranked UK boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2021 with 7 births ranking #2730. In 2025, approximately 1 in every 45,323 boys born was named Vasileios. RISING Recent data shows the name is currently rising.