Person from Sebaste
A variant spelling of Sebastian, derived from the Greek name Sebastianos. It originally referred to a person from Sebaste, a city in Asia Minor named after the Greek word 'sebastos', which translates to 'venerable' or 'august'.
Less common today
Sebastion isn't in the latest US Top 1000. It last peaked at #2,062 in 2000.
US births per 5-year period, 1990βpresent (SSA data).