Octavius is a distinctive boys' name in United States, ranking #2997 in 2004 with 34 recorded births. The name reached its all-time peak in 2021 with 96 births ranking #1704. Since 1996, the popularity has decreased by 47.7%. In 2004, approximately 1 in every 58,377 boys born was named Octavius. FALLING Recent data shows the name is currently falling.