Octavius is a distinctive boys' name in United States, ranking #2507 in 2016 with 51 recorded births. The name reached its all-time peak in 2021 with 96 births ranking #1704. Since 1996, the popularity has decreased by 21.5%. In 2016, approximately 1 in every 37,200 boys born was named Octavius. FALLING Recent data shows the name is currently falling.