Octavius is a distinctive boys' name in United States, ranking #2941 in 2011 with 40 recorded births. The name reached its all-time peak in 2021 with 96 births ranking #1704. Since 1996, the popularity has decreased by 38.5%. In 2011, approximately 1 in every 47,475 boys born was named Octavius. FALLING Recent data shows the name is currently falling.