Sebastean is a distinctive boys' name in United States, ranking #12186 in 2002 with 5 recorded births. This places Sebastean in the bottom 2% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2002 with 5 births ranking #12186. In 2002, approximately 1 in every 388,294 boys born was named Sebastean. STABLE Recent data shows the name is currently stable.