Octavius is a distinctive boys' name in United States, ranking #2320 in 2015 with 57 recorded births. The name reached its all-time peak in 2021 with 96 births ranking #1704. Since 1996, the popularity has decreased by 12.3%. In 2015, approximately 1 in every 33,619 boys born was named Octavius. FALLING Recent data shows the name is currently falling.