Modern creation, likely based on Octavius meaning eighth.
Detavious is a modern American inventive name. It likely follows the linguistic pattern of adding the 'De-' prefix to the Latin name Octavius, which historically designated the eighth child or month.
Less common today
Detavious isn't in the latest US Top 1000. It last peaked at #4,559 in 1992.
US births per 5-year period, 1990βpresent (SSA data).