Octavius is a distinctive boys' name in United States, ranking #2010 in 2018 with 73 recorded births. The name reached its all-time peak in 2021 with 96 births ranking #1704. Since 1996, the popularity has increased by 12.3%. In 2018, approximately 1 in every 24,869 boys born was named Octavius. FALLING Recent data shows the name is currently falling.