Octavius is a distinctive boys' name in United States, ranking #2484 in 2005 with 46 recorded births. The name reached its all-time peak in 2021 with 96 births ranking #1704. Since 1996, the popularity has decreased by 29.2%. In 2005, approximately 1 in every 43,416 boys born was named Octavius. FALLING Recent data shows the name is currently falling.