Octavius is a distinctive boys' name in United States, ranking #2384 in 2003 with 45 recorded births. The name reached its all-time peak in 2021 with 96 births ranking #1704. Since 1996, the popularity has decreased by 30.8%. In 2003, approximately 1 in every 43,895 boys born was named Octavius. FALLING Recent data shows the name is currently falling.