Octavius is a distinctive boys' name in United States, ranking #2073 in 2025 with 72 recorded births. The name reached its all-time peak in 2021 with 96 births ranking #1704. Since 1996, the popularity has increased by 10.8%. In 2025, approximately 1 in every 23,723 boys born was named Octavius. FALLING Recent data shows the name is currently falling.