Arcadius is a distinctive boys' name in United States, ranking #8312 in 2025 with 9 recorded births. This places Arcadius in the bottom 40% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2020 with 18 births ranking #5049. In 2025, approximately 1 in every 189,786 boys born was named Arcadius. RISING Recent data shows the name is currently rising.