Person from Sebastia
A modern phonetic variant of Sebastian, which is derived from the Greek name Sebastianos. It originally referred to a person from the city of Sebastia, a name itself derived from 'sebastos', the Greek translation of the Roman title Augustus.
Less common today
Zebastian isn't in the latest US Top 1000. It last peaked at #5,679 in 2014.
US births per 5-year period, 1990βpresent (SSA data).