Meaning and name origin
Octavious \o-cta-vious\ as a boy's name is of Latin origin, and the meaning of Octavious is "eighth". Octavious is a variant of Octavio (Latin): from Octavius, a Roman family clan name. Not generally used as a name for boys.
Octavious is not a popular first name for males and an equally uncommon surname or last name for all people (Source: 2000 U.S. Population Census).
Displayed below is a comparison of the popularity of the boy name Octavious and its variant forms. Popular variation forms ranked in the Top 1000/100 are Octavius and Octavio. (Source: 2014 Birth Name Statistics).