Meaning and history
Octavius is a Roman family name derived from the Latin octavus, meaning “eighth.” It was the original family name of the emperor Augustus, who was born Gaius Octavius, and it was also occasionally used as a Roman praenomen, or given name.
Octavius moved from #918 to #951 for boys between 1987 and 1991. That year also produced its highest recorded birth count, at 126.