Octavius is a distinctive boys' name in United States, ranking #1786 in 2020 with 85 recorded births. The name reached its all-time peak in 2021 with 96 births ranking #1704. Since 1996, the popularity has increased by 30.8%. In 2020, approximately 1 in every 20,295 boys born was named Octavius. FALLING Recent data shows the name is currently falling.