Person from Sebaste
A variant spelling of Sebastian, derived from the Greek name Sebastianos. It originally referred to a person from the city of Sebaste, a name derived from the Greek word 'sebastos', which was the equivalent of the Latin 'Augustus' meaning venerable.
Less common today
Sebastain isn't in the latest US Top 1000. It last peaked at #3,570 in 2002.
US births per 5-year period, 1990βpresent (SSA data).